2 Element Fuses | McMaster-Carr

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Voltage

Manufacturer Equivalent Fuse

Fuse UL Class

Overall Length

Fuse Type

Fuse Protection Type

Length

Breakthrough Current @ Voltage

10,000 amp @ 125V AC

200,000 amp @ 250V AC

300,000 amp @ 250V AC

200,000 amp @ 600V AC

300,000 amp @ 600V AC

20,000 amp @ 125V DC

100,000 amp @ 125V DC

20,000 amp @ 160V DC

20,000 amp @ 250V DC

100,000 amp @ 250V DC

20,000 amp @ 300V DC

100,000 amp @ 300V DC

100,000 amp @ 400V DC

Cartridge Fuse Type

With Blown Fuse Indicator

Overall Diameter

Number of Elements

Diameter

Certification

Rejection-Style End

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

EAR99

RoHS

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Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

REACH

UL File Number

CSA File Number

Indicator Type

Plug Base Fuse Type

242 Products

About Fuses

Compare across fuse type, UL class, and voltage. Then cross-reference manufacturer part numbers to find suitable replacements.

UL Class RK5 Fuses


Ferrule Cartridge Fuse, With Blown Fuse Indicator	Ferrule Cartridge Fuse, Without Blown Fuse Indicator

Knife-Blade Cartridge Fuse, With Blown Fuse Indicator	Knife-Blade Cartridge Fuse, Without Blown Fuse Indicator

Also known as dual-element fuses, these time-delay fuses withstand current overload for a short time so they won't open when exposed to harmless temporary surges, such as when starting a motor. They have a rejection-style end design that safeguards against replacement errors. Use with Fuse Blocks for UL Class RK5 Fuses.

With Blown Fuse Indicator—Fuses with blown fuse indicator have a dot on the side that changes color when the fuse blows.

Breakthrough Current @ Voltage—Breakthrough current at voltage, labeled on the fuse as IR, is the maximum current that a fuse can safely stop in the event of a short circuit.

															Each
	Current, amp	Fuse UL Class	Voltage	Breakthrough Current @ Voltage	Overall Lg.	No. of Elements	Cartridge Fuse Type	Fuse Protection Type	With Blown Fuse Indicator	Rejection-Style End	Certification	UL File No.	CSA File No.		1-9	10-Up
Manufacturer Equivalent Fuse: FLN-R, FRN-R, TR-R







				9/16" Overall Diameter

				1/2	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K216	000000	000000


				6/10	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K215	00000	00000
				1	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K182	00000	00000
				1 1/4	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K183	00000	00000
				1 6/10	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K188	00000	00000
				2	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K184	00000	00000
				2 1/2	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K185	00000	00000
				3	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K211	00000	00000
				3 2/10	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K11	00000	00000
				4	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K186	00000	00000
				4 1/2	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K46	00000	00000


				5	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K44	00000	00000
				6	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K212	00000	00000
				6 1/4	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 160V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K811	00000	00000
				7	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K187	00000	00000
				8	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K189	00000	00000
				10	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K12	00000	00000
				12	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K47	00000	00000
				15	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K13	00000	00000
				17 1/2	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 160V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K812	00000	0000
				20	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K14	00000	00000


				25	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K192	00000	00000
				30	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K15	00000	00000




						13/16" Overall Diameter

						35	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	3"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K217	00000	00000


						40	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	3"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K16	00000	00000
						45	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	3"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K213	00000	00000
						50	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	3"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K17	00000	00000
						60	RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	3"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K18	00000	00000




								1 1/16" Overall Diameter

								70	RK5	250V AC	200,000 amp @ 250V AC	5 7/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K262	00000	00000


								80	RK5	250V AC	200,000 amp @ 250V AC	5 7/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K263	00000	00000
								90	RK5	250V AC	200,000 amp @ 250V AC	5 7/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K48	00000	00000
								100	RK5	250V AC	200,000 amp @ 250V AC	5 7/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K19	00000	00000




								1 9/16" Overall Diameter

		125						RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	7 1/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K214	000000	000000


		150	RK5					250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	7 1/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K49	000000	000000
		175	RK5					250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 250V DC	7 1/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K813	00000	00000
		200	RK5					250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 125V DC	7 1/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K2	000000	000000




								2 3/8" Overall Diameter

								300	RK5	250V AC, 250V DC	200,000 amp @ 250V AC 20,000 amp @ 250V DC	8 5/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K218	000000	000000


								400	RK5	250V AC, 250V DC	200,000 amp @ 250V AC 20,000 amp @ 250V DC	8 5/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K21	000000	000000




										2 7/8" Overall Diameter

										600	RK5	250V AC, 250V DC	200,000 amp @ 250V AC 20,000 amp @ 250V DC	10 3/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K241	000000	000000


										Manufacturer Equivalent Fuse: FLN-R-ID, FRN-R-ID, TR-R-ID







														9/16" Overall Diameter

				5										RK5	250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 160V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K814	00000	00000


				6	RK5									250V AC, 125V DC	200,000 amp @ 250V AC 20,000 amp @ 160V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K815	00000	00000
				8	RK5									250V AC, 160V DC	200,000 amp @ 250V AC 20,000 amp @ 160V DC	2"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K751	00000	00000
				10	RK5									250V AC, 160V DC	200,000 amp @ 250V AC 20,000 amp @ 160V DC	2"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K752	00000	00000
				15	RK5									250V AC, 160V DC	200,000 amp @ 250V AC 20,000 amp @ 160V DC	2"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K761	00000	00000
				20	RK5									250V AC, 160V DC	200,000 amp @ 250V AC 20,000 amp @ 160V DC	2"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K762	00000	0000
				25	RK5									250V AC, 160V DC	200,000 amp @ 250V AC 20,000 amp @ 160V DC	2"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K763	00000	00000
				30	RK5									250V AC, 160V DC	200,000 amp @ 250V AC 20,000 amp @ 160V DC	2"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K764	00000	0000




						13/16" Overall Diameter

						35	RK5							250V AC, 250V DC	200,000 amp @ 250V AC 20,000 amp @ 250V DC	3"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K771	00000	00000


						40	RK5							250V AC, 250V DC	200,000 amp @ 250V AC 20,000 amp @ 250V DC	3"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K772	00000	00000
						45	RK5							250V AC, 250V DC	200,000 amp @ 250V AC 20,000 amp @ 250V DC	3"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K773	00000	00000
						50	RK5							250V AC, 250V DC	200,000 amp @ 250V AC 20,000 amp @ 250V DC	3"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K774	00000	00000
						60	RK5							250V AC, 250V DC	200,000 amp @ 250V AC 20,000 amp @ 250V DC	3"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K775	00000	00000




						1 1/16" Overall Diameter

						70	RK5							250V AC, 250V DC	200,000 amp @ 250V AC 20,000 amp @ 250V DC	5 7/8"	2	Knife Blade	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K781	00000	00000


						80	RK5							250V AC, 250V DC	200,000 amp @ 250V AC 20,000 amp @ 250V DC	5 7/8"	2	Knife Blade	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K782	00000	00000
						90	RK5							250V AC, 250V DC	200,000 amp @ 250V AC 20,000 amp @ 250V DC	5 7/8"	2	Knife Blade	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K783	00000	00000
						100	RK5							250V AC, 250V DC	200,000 amp @ 250V AC 20,000 amp @ 250V DC	5 7/8"	2	Knife Blade	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K784	00000	00000




						1 9/16" Overall Diameter

						125	RK5							250V AC, 250V DC	200,000 amp @ 250V AC 20,000 amp @ 250V DC	7 1/8"	2	Knife Blade	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K791	000000	00000


						150	RK5							250V AC, 250V DC	200,000 amp @ 250V AC 20,000 amp @ 250V DC	7 1/8"	2	Knife Blade	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K792	000000	00000
						200	RK5							250V AC, 250V DC	200,000 amp @ 250V AC 20,000 amp @ 250V DC	7 1/8"	2	Knife Blade	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K793	000000	00000


						Manufacturer Equivalent Fuse: FLS-R, FRS-R, TRS-R







														13/16" Overall Diameter

														1/4	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K225	00000	00000


										1/2	RK5			600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K226	00000	00000
										6/10	RK5			600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K816	00000	00000
										1	RK5			600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K272	00000	00000
										1 1/4	RK5	600V AC, 300V DC		200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K273	00000	00000
										1 6/10	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K278	00000	00000
										2	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K274	00000	00000
										2 1/2	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K275	00000	00000
										3	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K221	00000	00000
										3 2/10	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K22	00000	00000
										4	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K276	00000	00000


										4 1/2	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K817	00000	00000
										5	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K45	00000	00000
										6	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K222	00000	00000
				6 1/4						RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K91	00000	00000
				7	RK5					600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K277	00000	00000
				8	RK5					600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K279	00000	00000
				10	RK5					600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K23	00000	00000
				12	RK5					600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K81	00000	00000
				15	RK5					600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K24	00000	00000
				17 1/2	RK5					600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K92	00000	00000


				20	RK5					600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K25	00000	00000
				25	RK5					600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K282	00000	00000
				30	RK5					600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K26	00000	00000




				1 1/16" Overall Diameter

				35	RK5					600V AC, 250V DC	200,000 amp @ 600V AC 20,000 amp @ 250V DC	5 1/2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K227	00000	00000


				40	RK5					600V AC, 250V DC	200,000 amp @ 600V AC 20,000 amp @ 250V DC	5 1/2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K27	00000	00000
				45	RK5					600V AC, 250V DC	200,000 amp @ 600V AC 20,000 amp @ 250V DC	5 1/2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K223	00000	00000
				50	RK5					600V AC, 250V DC	200,000 amp @ 600V AC 20,000 amp @ 250V DC	5 1/2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K28	00000	00000
				60	RK5					600V AC, 250V DC	200,000 amp @ 600V AC 20,000 amp @ 250V DC	5 1/2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K29	00000	00000




				1 1/8" Overall Diameter

				70	RK5					600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	7 7/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K312	00000	00000


				80	RK5					600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	7 7/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K51	00000	00000
				90	RK5					600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	7 7/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K313	00000	00000
				100	RK5					600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	7 7/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K3	00000	00000




						1 5/8" Overall Diameter

						125	RK5			600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	9 5/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K224	000000	000000


						150	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	9 5/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K52	000000	000000
						175	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	9 5/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K82	000000	000000
						200	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	9 5/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K31	000000	000000




								2 11/32" Overall Diameter

								300	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	11 5/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K34	000000	000000


								400	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	11 5/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K32	000000	000000




										2 7/8" Overall Diameter

										500	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	13 3/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K53	000000	000000


										600	RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	13 3/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7049K251	000000	000000


										Manufacturer Equivalent Fuse: FRS-R-ID, IDSR, TRS-R-ID







	13/16" Overall Diameter

	1												RK5	600V AC, 600V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	—	—	7487K113	00000	00000


	2												RK5	600V AC, 600V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	—	—	7487K114	00000	00000
	2 1/2												RK5	600V AC, 600V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	—	—	7487K115	00000	00000
	3												RK5	600V AC, 600V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	—	—	7487K211	00000	00000
	4												RK5	600V AC, 600V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	—	—	7487K212	00000	00000
	5												RK5	600V AC, 600V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	—	—	7487K213	00000	00000
	6												RK5	600V AC, 600V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	—	—	7487K214	00000	00000
	7												RK5	600V AC, 600V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	—	—	7487K215	00000	00000
	8												RK5	600V AC, 600V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K216	00000	00000
	10	RK5											600V AC, 600V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K217	00000	00000
	12	RK5	600V AC, 600V DC										200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K316	00000	00000


	15	RK5	600V AC, 600V DC										200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	—	—	7487K311	00000	00000
	17 1/2	RK5	600V AC, 600V DC										200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	—	—	7487K312	00000	00000
	20	RK5	600V AC, 600V DC										200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	—	—	7487K313	00000	00000
	25	RK5	600V AC, 600V DC										200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	—	—	7487K314	00000	00000
	30	RK5	600V AC, 600V DC										200,000 amp @ 600V AC 20,000 amp @ 600V DC	5"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	—	—	7487K315	00000	00000




			1 1/16" Overall Diameter

			35	RK5	600V AC, 300V DC								200,000 amp @ 600V AC 20,000 amp @ 300V DC	5 1/2"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K414	00000	00000


			40	RK5	600V AC, 300V DC								200,000 amp @ 600V AC 20,000 amp @ 300V DC	5 1/2"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	—	—	7487K411	00000	00000
			45	RK5	600V AC, 300V DC								200,000 amp @ 600V AC 20,000 amp @ 300V DC	5 1/2"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K415	00000	00000
			50	RK5	600V AC, 300V DC								200,000 amp @ 600V AC 20,000 amp @ 300V DC	5 1/2"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	—	—	7487K412	00000	00000
			60	RK5	600V AC, 300V DC								200,000 amp @ 600V AC 20,000 amp @ 300V DC	5 1/2"	2	Ferrule	Time Delay	Yes	Yes	UL Listed, CSA Certified	—	—	7487K413	00000	00000




					1 5/16" Overall Diameter

					70	RK5	600V AC, 600V DC						200,000 amp @ 600V AC 20,000 amp @ 600V DC	7 7/8"	2	Knife Blade	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K514	00000	00000


					80	RK5	600V AC, 600V DC						200,000 amp @ 600V AC 20,000 amp @ 600V DC	7 7/8"	2	Knife Blade	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K511	00000	00000
					90	RK5	600V AC, 600V DC						200,000 amp @ 600V AC 20,000 amp @ 600V DC	7 7/8"	2	Knife Blade	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K512	00000	00000
					100	RK5	600V AC, 600V DC						200,000 amp @ 600V AC 20,000 amp @ 600V DC	7 7/8"	2	Knife Blade	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K513	00000	00000




							1 9/16" Overall Diameter

							125	RK5	600V AC, 300V DC				200,000 amp @ 600V AC 20,000 amp @ 300V DC	9 5/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	E4273	053787_C_000	7487K819	000000	000000




									1 13/16" Overall Diameter

									150				RK5	600V AC, 600V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC	9 5/8"	2	Knife Blade	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K611	000000	000000


175									RK5	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC		9 5/8"	2	Knife Blade	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K818	000000	000000
200									RK5	600V AC, 600V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC		9 5/8"	2	Knife Blade	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K612	000000	000000




										2 9/16" Overall Diameter

										300	RK5	600V AC, 600V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC	11 5/8"	2	Knife Blade	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K711	000000	000000


										400	RK5	600V AC, 600V DC	200,000 amp @ 600V AC 20,000 amp @ 600V DC	11 5/8"	2	Knife Blade	Time Delay	Yes	Yes	UL Listed, CSA Certified	E2137	012636_0_000	7487K712	000000	000000

UL Class CC Time-Delay Midget Fuses for Motors

These fuses can withstand the high inrush current caused by a motor starting. They provide comparable performance with a smaller footprint than standard size fuses. All have a rejection-style end that safeguards against replacement errors. Use them to protect power distribution branch circuits. Designed for use with Fuse Blocks for UL Class CC Fuses.

Breakthrough Current @ Voltage—Breakthrough current at voltage, labeled on the fuse as IR, is the maximum current that a fuse can safely stop in the event of a short circuit.

													Each
	Current, amp	Fuse UL Class	Voltage	Breakthrough Current @ Voltage	Overall Lg.	No. of Elements	Cartridge Fuse Type	Fuse Protection Type	With Blown Fuse Indicator	Rejection-Style End	Certification		1-9	10-Up
Manufacturer Equivalent Fuse: ATD-R, CCMR, LP-CC







				13/32" Overall Diameter

				12	CC	600V AC, 500V DC	200,000 amp @ 600V AC 20,000 amp @ 500V DC	1 1/2"	2	Ferrule	Time Delay	No	Yes	UL Listed	72035K519	000000	000000


				15	CC	600V AC, 500V DC	200,000 amp @ 600V AC 20,000 amp @ 500V DC	1 1/2"	2	Ferrule	Time Delay	No	Yes	UL Listed	72035K521	00000	00000
				20	CC	600V AC, 500V DC	200,000 amp @ 600V AC 20,000 amp @ 500V DC	1 1/2"	2	Ferrule	Time Delay	No	Yes	UL Listed	72035K522	00000	00000
				25	CC	600V AC, 500V DC	200,000 amp @ 600V AC 20,000 amp @ 500V DC	1 1/2"	2	Ferrule	Time Delay	No	Yes	UL Listed	72035K523	00000	00000
				30	CC	600V AC, 500V DC	200,000 amp @ 600V AC 20,000 amp @ 500V DC	1 1/2"	2	Ferrule	Time Delay	No	Yes	UL Listed	72035K524	00000	00000




						27/32" Overall Diameter

						35	CC	600V AC, 250V DC	200,000 amp @ 600V AC 20,000 amp @ 250V DC	1 7/8"	2	Ferrule	Time Delay	No	Yes	UL Listed	72035K711	00000	00000


						40	CC	600V AC, 250V DC	200,000 amp @ 600V AC 20,000 amp @ 250V DC	1 7/8"	2	Ferrule	Time Delay	No	Yes	UL Listed	72035K712	00000	00000
						45	CC	600V AC, 250V DC	200,000 amp @ 600V AC 20,000 amp @ 250V DC	1 7/8"	2	Ferrule	Time Delay	No	Yes	UL Listed	72035K713	00000	00000
						50	CC	600V AC, 250V DC	200,000 amp @ 600V AC 20,000 amp @ 250V DC	1 7/8"	2	Ferrule	Time Delay	No	Yes	UL Listed	72035K714	00000	00000
						60	CC	600V AC, 250V DC	200,000 amp @ 600V AC 20,000 amp @ 250V DC	1 7/8"	2	Ferrule	Time Delay	No	Yes	UL Listed	72035K715	00000	00000

UL Class J Time-Delay Fuses for Tight Spaces


Ferrule Cartridge Fuse, Without Blown Fuse Indicator	Knife-Blade Cartridge Fuse, With Blown Fuse Indicator	Knife-Blade Cartridge Fuse, Without Blown Fuse Indicator

Also known as dual-element fuses, these fuses withstand current overload for a short time so they won't open when exposed to harmless temporary surges, such as when starting a motor. More compact than UL Class RK1 or RK5 fuses, they are suitable for tight spaces. Use with Fuse Blocks for UL Class J Fuses.

With Blown Fuse Indicator—Fuses with blown fuse indicator have a dot on the side that changes color when the fuse blows.

Breakthrough Current @ Voltage—Breakthrough current at voltage, labeled on the fuse as IR, is the maximum current that a fuse can safely stop in the event of a short circuit.

													Each
	Current, amp	Fuse UL Class	Voltage	Breakthrough Current @ Voltage	Overall Lg.	No. of Elements	Cartridge Fuse Type	Fuse Protection Type	With Blown Fuse Indicator	Rejection-Style End	Certification		1-9	10-Up
Manufacturer Equivalent Fuse: AJT, JTD, LPJ-SP







				13/16" Overall Diameter

				1	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K311	000000	000000


				1 1/4	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K322	00000	00000
				2	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K312	00000	00000
				2 1/2	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K323	00000	00000
				2 8/10	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K327	00000	00000
				3	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K313	00000	00000
				4	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K324	00000	00000
				5	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K314	00000	00000
				6	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K328	00000	00000
				7	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K315	00000	00000
				8	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K325	00000	00000


				10	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K316	00000	00000
				12	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K326	00000	00000
				15	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K317	00000	00000
				20	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K318	00000	00000
				25	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K319	00000	00000
				30	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 1/4"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K321	00000	00000




						1 1/16" Overall Diameter

						35	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 3/8"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K414	00000	00000


						40	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 3/8"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K411	00000	00000
						45	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 3/8"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K415	00000	00000
						50	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 3/8"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K412	00000	00000
						60	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2 3/8"	2	Ferrule	Time Delay	No	No	UL Listed, CSA Certified	70325K413	00000	00000




								1 1/8" Overall Diameter

								70	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	4 5/8"	2	Knife Blade	Time Delay	No	No	UL Listed, CSA Certified	70325K513	000000	000000


								80	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	4 5/8"	2	Knife Blade	Time Delay	No	No	UL Listed, CSA Certified	70325K511	000000	000000
								90	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	4 5/8"	2	Knife Blade	Time Delay	No	No	UL Listed, CSA Certified	70325K514	000000	000000
								100	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	4 5/8"	2	Knife Blade	Time Delay	No	No	UL Listed, CSA Certified	70325K512	000000	000000




										1 5/8" Overall Diameter

										125	J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5 3/4"	2	Knife Blade	Time Delay	No	No	UL Listed, CSA Certified	70325K811	000000	000000


175										J	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5 3/4"	2	Knife Blade	Time Delay	No	No	UL Listed, CSA Certified	70325K813	000000	000000
200	J									600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5 3/4"	2	Knife Blade	Time Delay	No	No	UL Listed, CSA Certified	70325K61	000000	000000




		2 1/8" Overall Diameter

		250	J							600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	7 1/8"	2	Knife Blade	Time Delay	No	No	UL Listed, CSA Certified	70325K211	000000	000000


		400	J							600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	7 1/8"	2	Knife Blade	Time Delay	No	No	UL Listed, CSA Certified	70325K71	000000	000000


		Manufacturer Equivalent Fuse: AJT, JTD-ID, LPJ-SPI







												1 1/16" Overall Diameter

												70	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	4 5/8"	2	Knife Blade	Time Delay	Yes	No	UL Listed, CSA Certified	5054T31	00000	00000


												80	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	4 5/8"	2	Knife Blade	Time Delay	Yes	No	UL Listed, CSA Certified	5054T32	00000	00000
												90	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	4 5/8"	2	Knife Blade	Time Delay	Yes	No	UL Listed, CSA Certified	5054T33	00000	00000
												100	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	4 5/8"	2	Knife Blade	Time Delay	Yes	No	UL Listed, CSA Certified	5054T34	00000	00000

UL Class RK1 Time-Delay Fuses


Ferrule Cartridge Fuse	Knife-Blade Cartridge Fuse

Also known as dual-element fuses, these fuses withstand current overload for a short time so they won't open when exposed to harmless temporary surges, such as when starting a motor. They have a rejection-style end design that safeguards against replacement errors. Designed for use with Fuse Blocks for UL Class RK1 Fuses.

Breakthrough Current @ Voltage—Breakthrough current at voltage, labeled on the fuse as IR, is the maximum current that a fuse can safely stop in the event of a short circuit.

													Each
	Current, amp	Fuse UL Class	Voltage	Breakthrough Current @ Voltage	Overall Lg.	No. of Elements	Cartridge Fuse Type	Fuse Protection Type	With Blown Fuse Indicator	Rejection-Style End	Certification		1-9	10-Up
Manufacturer Equivalent Fuse: A2D-R, LLN-RK, LPN-RK







				9/16" Overall Diameter

				1/2	RK1	250V AC, 125V DC	300,000 amp @ 250V AC 100,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K611	000000	000000


				1	RK1	250V AC, 125V DC	300,000 amp @ 250V AC 100,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K612	00000	00000
				1 1/4	RK1	250V AC, 125V DC	300,000 amp @ 250V AC 100,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K613	00000	00000
				2	RK1	250V AC, 125V DC	300,000 amp @ 250V AC 100,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K614	00000	00000
				2 1/2	RK1	250V AC, 125V DC	300,000 amp @ 250V AC 100,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K615	00000	00000
				3	RK1	250V AC, 125V DC	300,000 amp @ 250V AC 100,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K616	00000	00000
				5	RK1	250V AC, 125V DC	300,000 amp @ 250V AC 100,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K617	00000	00000
				6	RK1	250V AC, 125V DC	300,000 amp @ 250V AC 100,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K609	00000	00000
				10	RK1	250V AC, 125V DC	300,000 amp @ 250V AC 100,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K618	00000	00000
				15	RK1	250V AC, 125V DC	300,000 amp @ 250V AC 100,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K619	00000	00000
				20	RK1	250V AC, 125V DC	300,000 amp @ 250V AC 100,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K621	00000	00000


				30	RK1	250V AC, 125V DC	300,000 amp @ 250V AC 100,000 amp @ 125V DC	2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K622	00000	00000




						13/16" Overall Diameter

						40	RK1	250V AC, 125V DC	300,000 amp @ 250V AC 100,000 amp @ 125V DC	3"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K631	00000	00000


						50	RK1	250V AC, 125V DC	300,000 amp @ 250V AC 100,000 amp @ 125V DC	3"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K632	00000	00000
						60	RK1	250V AC, 125V DC	300,000 amp @ 250V AC 100,000 amp @ 125V DC	3"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K633	00000	00000




								1 3/16" Overall Diameter

								100	RK1	250V AC, 250V DC	300,000 amp @ 250V AC 100,000 amp @ 250V DC	5 7/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	74445K64	00000	00000




										1 11/16" Overall Diameter

										125	RK1	250V AC, 250V DC	300,000 amp @ 250V AC 100,000 amp @ 250V DC	7 1/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	74445K151	000000	00000


										200	RK1	250V AC, 250V DC	300,000 amp @ 250V AC 100,000 amp @ 250V DC	7 1/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	74445K65	000000	00000




												2 3/8" Overall Diameter

												400	RK1	250V AC, 250V DC	300,000 amp @ 250V AC 100,000 amp @ 250V DC	8 5/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	74445K66	000000	000000


												Manufacturer Equivalent Fuse: A6D-R, LLS-RK, LPS-RK







			13/16" Overall Diameter

			1/2										RK1	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K711	00000	00000


			1										RK1	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K712	00000	00000
			1 1/4										RK1	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K713	00000	00000
			2										RK1	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K714	00000	00000
			2 1/2										RK1	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K715	00000	00000
			3										RK1	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K716	00000	00000
			5										RK1	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K717	00000	00000
			10										RK1	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K718	00000	00000
			15										RK1	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K719	00000	00000
			20										RK1	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K721	00000	00000
			30										RK1	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K722	00000	00000




														1 1/16" Overall Diameter

														35	RK1	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5 1/2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K734	00000	00000


				40	RK1									600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5 1/2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K731	00000	00000
				50	RK1									600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5 1/2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K732	00000	00000
				60	RK1									600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	5 1/2"	2	Ferrule	Time Delay	No	Yes	UL Listed, CSA Certified	74445K733	00000	00000




														1 3/16" Overall Diameter

						100								RK1	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	7 7/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	74445K74	00000	00000




														1 11/16" Overall Diameter

								125						RK1	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	9 5/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	74445K351	000000	000000


								200	RK1					600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	9 5/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	74445K75	000000	000000




														2 3/8" Overall Diameter

										400				RK1	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	11 5/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	74445K76	000000	000000




														2 7/8" Overall Diameter

														600	RK1	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	13 3/8"	2	Knife Blade	Time Delay	No	Yes	UL Listed, CSA Certified	74445K77	000000	000000

Touch-Safe Fuses

Prevent accidental contact with electrical circuits—these fuses have an enclosed design with recessed plug-in blades. Also known as dual-element fuses, they withstand current overload for a short time so they won't open when exposed to harmless temporary surges, such as when starting a motor.

With Blown Fuse Indicator—Fuses with blown fuse indicator have a dot on the side that turns red when the fuse blows.

Breakthrough Current @ Voltage—Breakthrough current at voltage, labeled on the fuse as IR, is the maximum current that a fuse can safely stop in the event of a short circuit.

	Fuses														DIN-Rail Mount Fuse Blocks
	Current, amp	Fuse UL Class	Voltage	Breakthrough Current @ Voltage	Ht.	Wd.	Dp.	No. of Elements	Fuse Protection Type	With Blown Fuse Indicator	Certification	Specs. Met		Each		Each
Manufacturer Equivalent Fuse: TCF



		6	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	1.88"	3/4"	1"	2	Time Delay, Touch Safe	Yes	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K13	000000	8078K31	000000


		10	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	1.88"	3/4"	1"	2	Time Delay, Touch Safe	Yes	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K14	00000	8078K31	00000
		15	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	1.88"	3/4"	1"	2	Time Delay, Touch Safe	Yes	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K15	00000	8078K31	00000
		17 1/2	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	1.88"	3/4"	1"	2	Time Delay, Touch Safe	Yes	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K16	00000	8078K31	00000
		20	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	1.88"	3/4"	1"	2	Time Delay, Touch Safe	Yes	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K17	00000	8078K31	00000
		25	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	1.88"	3/4"	1"	2	Time Delay, Touch Safe	Yes	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K18	00000	8078K31	00000
		30	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	1.88"	3/4"	1"	2	Time Delay, Touch Safe	Yes	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K19	00000	8078K31	00000
		35	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2.13"	1"	1.13"	2	Time Delay, Touch Safe	Yes	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K21	000000	8078K32	00000
		40	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2.13"	1"	1.13"	2	Time Delay, Touch Safe	Yes	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K22	000000	8078K32	00000
		45	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2.13"	1"	1.13"	2	Time Delay, Touch Safe	Yes	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K23	000000	8078K32	00000
		50	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2.13"	1"	1.13"	2	Time Delay, Touch Safe	Yes	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K24	000000	8078K32	00000


		60	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	2.13"	1"	1.13"	2	Time Delay, Touch Safe	Yes	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K25	000000	8078K32	00000
		70	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	3.01"	1"	1.26"	2	Time Delay, Touch Safe	Yes	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K34	000000	8078K41	00000
		80	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	3.01"	1"	1.26"	2	Time Delay, Touch Safe	Yes	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K35	000000	8078K41	00000
		90	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	3.01"	1"	1.26"	2	Time Delay, Touch Safe	Yes	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K33	000000	8078K41	00000
		100	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	3.01"	1"	1.26"	2	Time Delay, Touch Safe	Yes	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K36	000000	8078K41	00000


		Manufacturer Equivalent Fuse: TCF-RN



				1	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	1.88"	3/4"	1"	2	Time Delay, Touch Safe	No	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K26	00000	8078K31	00000


				3	CF	600V AC, 300V DC	300,000 amp @ 600V AC 100,000 amp @ 300V DC	1.88"	3/4"	1"	2	Time Delay, Touch Safe	No	UL Listed, CSA Certified	EN 63000, IEC 63000	8078K12	00000	8078K31	00000

Time-Delay Plug Base Fuses

Manufacturer

Equivalent

Fuse: GSL, S

Able to withstand current overload for a short time, these fuses will not open when exposed to harmless temporary surges, such as during equipment start-up. They are designed to fit into a socket on a panel; match the fuse to your panel socket by the manufacturer equivalent.

GSL Equivalent Fuse and S Equivalent Fuse—Type GSL and S fuses have a non-interchangeable base to prevent the wrong size fuse from being used.

Breakthrough Current @ Voltage—Breakthrough current at voltage, labeled on the fuse as IR, is the maximum current that a fuse can safely stop in the event of a short circuit.

	Voltage, V AC	Breakthrough Current @ Voltage	No. of Elements	Fuse Protection Type	With Blown Fuse Indicator	Plug Base Fuse Type	Certification	Pkg. Qty.		Pkg.
Manufacturer Equivalent Fuse: GSL, S



	15	125	10,000 amp @ 125V AC	2	Time Delay	No	Type S	UL Listed	4	7070K55	000000


	20	125	10,000 amp @ 125V AC	2	Time Delay	No	Type S	UL Listed	4	7070K56	00000
	30	125	10,000 amp @ 125V AC	2	Time Delay	No	Type S	UL Listed	4	7070K57	00000

Long-Time-Delay Plug Base Fuses

These fuses have a longer time delay than standard time-delay fuses. Use them in motor applications where the motor is cycled on and off frequently. Also known as Edison-type fuses, they are designed to fit into a socket on a panel; match the fuse to your panel socket by the manufacturer equivalent.

Breakthrough Current @ Voltage—Breakthrough current at voltage, labeled on the fuse as IR, is the maximum current that a fuse can safely stop in the event of a short circuit.

	Voltage, V AC	Breakthrough Current @ Voltage	No. of Elements	Fuse Protection Type	With Blown Fuse Indicator	Plug Base Fuse Type	Certification	Pkg. Qty.		Pkg.
Manufacturer Equivalent Fuse: GT, T



	15	125	10,000 amp @ 125V AC	2	Time Delay	No	Edison	UL Listed	4	7070K58	000000


	20	125	10,000 amp @ 125V AC	2	Time Delay	No	Edison	UL Listed	4	7070K59	00000
	30	125	10,000 amp @ 125V AC	2	Time Delay	No	Edison	UL Listed	4	7070K61	00000