90 Amp Fuses | McMaster-Carr

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Manufacturer Equivalent Fuse

Fuse UL Class

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With Blown Fuse Indicator

Yes

Cartridge Fuse Type

Knife Blade

Number of Elements

Breakthrough Current @ Voltage

2,500 amp @ 125V AC

200,000 amp @ 250V AC

200,000 amp @ 600V AC

300,000 amp @ 600V AC

2,700 amp @ 80V DC

20,000 amp @ 250V DC

20,000 amp @ 300V DC

100,000 amp @ 300V DC

100,000 amp @ 400V DC

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UL Recognized Component

DFARS Specialty Metals

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Rejection-Style End

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12 Products

UL Class RK5 Fuses


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







				1 1/16" Overall Diameter

				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	0000000	000000	000000


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







								1 1/16" Overall Diameter

								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	00000000	00000	00000


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







												1 1/8" Overall Diameter

												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	00000000	00000	00000


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







																1 5/16" Overall Diameter

																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	00000000	00000	00000

UL Class J Time-Delay Fuses for Tight Spaces


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







				1 1/8" Overall Diameter

				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	000000000	0000000	0000000


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







								1 1/16" Overall Diameter

								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	0000000	00000	00000

UL Class T Fuses for Extra-Tight Spaces

Knife-Blade

Cartridge Fuse

Smaller than UL Class J fuses, these fast-acting fuses can be used in extra-tight spaces such as meters, uninterruptible power supplies, and variable-speed drives. They open circuits quickly when surges are detected. Use with Fuse Blocks for UL Class T 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, V AC	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: A6T, JJS, JLLS







				3/4" Overall Diameter

				90	T	600	200,000 amp @ 600V AC	2 15/16"	1	Knife Blade	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	000000000	000000	000000

UL Class RK1 Fast-Acting Fuses

Knife-Blade Cartridge

Fuse

These fuses open circuits quickly when surges are detected. They have a rejection-style end design that safeguards against replacement errors. 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: A6K-R, KLS-R, KTS-R







				1 5/16" Overall Diameter

				90	RK1	600V AC, 300V DC	200,000 amp @ 600V AC 20,000 amp @ 300V DC	7 7/8"	1	Knife Blade	Fast Acting	No	Yes	UL Listed, CSA Certified	00000000	0000000	0000000

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



		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	0000000	0000000	0000000	000000

Fast-Acting Lift Truck Fuses

These fuses open circuits quickly when surges are detected. Use them on battery-operated lift trucks.

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.

	Fuses											Fuse Holders
				Overall
	Current, amp	Voltage	Breakthrough Current @ Voltage	Lg.	Wd.	No. of Elements	Fuse Protection Type	With Blown Fuse Indicator	Certification		Each		Each
Manufacturer Equivalent Fuse: ANN, CNN



		90	125V AC, 80V DC	2,500 amp @ 125V AC 2,700 amp @ 80V DC	3 3/16"	7/8"	1	Fast Acting	Yes	UL Recognized Component	000000000	000000	00000000	000000