Bussmann-Type LPJ Fuses | McMaster-Carr

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200,000 amp @ 600V AC

100,000 amp @ 400V DC

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22 Products

UL Class J Time-Delay Fuses for Tight Spaces


Ferrule Cartridge Fuse, With Blown Fuse Indicator	Knife-Blade Cartridge Fuse, With 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-ID, LPJ-SPI







				13/16" Overall Diameter

				8	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	2 1/4"	1	Ferrule	Time Delay	Yes	No	UL Listed, CSA Certified	5054T11	000000	000000


				9	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	2 1/4"	1	Ferrule	Time Delay	Yes	No	UL Listed, CSA Certified	5054T12	00000	00000
				10	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	2 1/4"	1	Ferrule	Time Delay	Yes	No	UL Listed, CSA Certified	5054T13	00000	00000
				12	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	2 1/4"	1	Ferrule	Time Delay	Yes	No	UL Listed, CSA Certified	5054T14	00000	00000
				15	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	2 1/4"	1	Ferrule	Time Delay	Yes	No	UL Listed, CSA Certified	5054T15	00000	00000
				17 1/2	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	2 1/4"	1	Ferrule	Time Delay	Yes	No	UL Listed, CSA Certified	5054T16	00000	00000
				20	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	2 1/4"	1	Ferrule	Time Delay	Yes	No	UL Listed, CSA Certified	5054T17	00000	00000
				25	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	2 1/4"	1	Ferrule	Time Delay	Yes	No	UL Listed, CSA Certified	5054T18	00000	00000
				30	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	2 1/4"	1	Ferrule	Time Delay	Yes	No	UL Listed, CSA Certified	5054T19	00000	00000




						1 1/16" Overall Diameter

						35	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	2 3/8"	1	Ferrule	Time Delay	Yes	No	UL Listed, CSA Certified	5054T21	00000	00000


						40	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	2 3/8"	1	Ferrule	Time Delay	Yes	No	UL Listed, CSA Certified	5054T22	00000	00000
						45	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	2 3/8"	1	Ferrule	Time Delay	Yes	No	UL Listed, CSA Certified	5054T23	00000	00000
						50	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	2 3/8"	1	Ferrule	Time Delay	Yes	No	UL Listed, CSA Certified	5054T24	00000	00000
						60	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	2 3/8"	1	Ferrule	Time Delay	Yes	No	UL Listed, CSA Certified	5054T25	00000	00000
						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




								1 5/8" Overall Diameter

								125	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	5 3/4"	4	Knife Blade	Time Delay	Yes	No	UL Listed, CSA Certified	5054T41	000000	000000


								150	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	5 3/4"	4	Knife Blade	Time Delay	Yes	No	UL Listed, CSA Certified	5054T42	000000	000000
								175	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	5 3/4"	4	Knife Blade	Time Delay	Yes	No	UL Listed, CSA Certified	5054T43	000000	000000
								200	J	600V AC, 400V DC	200,000 amp @ 600V AC 100,000 amp @ 400V DC	5 3/4"	4	Knife Blade	Time Delay	Yes	No	UL Listed, CSA Certified	5054T44	000000	000000