Bussmann-Type JJS Fuses | McMaster-Carr

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18 Products

About Fuses

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

UL Class T Fuses for Extra-Tight Spaces


Ferrule Cartridge Fuse	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







				9/16" Overall Diameter

				3	T	600	200,000 amp @ 600V AC	1 1/2"	1	Ferrule	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K811	000000	000000


				10	T	600	200,000 amp @ 600V AC	1 1/2"	1	Ferrule	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K812	00000	00000
				15	T	600	200,000 amp @ 600V AC	1 1/2"	1	Ferrule	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K813	00000	00000
				20	T	600	200,000 amp @ 600V AC	1 1/2"	1	Ferrule	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K814	00000	00000
				25	T	600	200,000 amp @ 600V AC	1 1/2"	1	Ferrule	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K816	00000	00000
				30	T	600	200,000 amp @ 600V AC	1 1/2"	1	Ferrule	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K815	00000	00000




						3/4" Overall Diameter

						70	T	600	200,000 amp @ 600V AC	2 15/16"	1	Knife Blade	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K831	00000	00000


						80	T	600	200,000 amp @ 600V AC	2 15/16"	1	Knife Blade	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K861	00000	00000
						90	T	600	200,000 amp @ 600V AC	2 15/16"	1	Knife Blade	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K862	00000	00000
						100	T	600	200,000 amp @ 600V AC	2 15/16"	1	Knife Blade	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K83	00000	00000




								13/16" Overall Diameter

								35	T	600	200,000 amp @ 600V AC	1 9/16"	1	Ferrule	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K824	00000	00000


								40	T	600	200,000 amp @ 600V AC	1 9/16"	1	Ferrule	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K821	00000	00000
								45	T	600	200,000 amp @ 600V AC	1 9/16"	1	Ferrule	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K825	00000	00000
								50	T	600	200,000 amp @ 600V AC	1 9/16"	1	Ferrule	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K822	00000	00000
								60	T	600	200,000 amp @ 600V AC	1 9/16"	1	Ferrule	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K823	00000	00000




										7/8" Overall Diameter

										125	T	600	200,000 amp @ 600V AC	3 1/4"	1	Knife Blade	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K87	00000	00000


										200	T	600	200,000 amp @ 600V AC	3 1/4"	1	Knife Blade	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K84	00000	00000




												1" Overall Diameter

												400	T	600	200,000 amp @ 600V AC	3 5/8"	1	Knife Blade	Fast Acting	No	No	UL Listed, CSA Certified, CE Marked	70455K85	000000	000000