Bussmann-Type FWH Fuses | McMaster-Carr

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14 Products

Fuses for Sensitive Electronics


Ferrule Cartridge Fuse	Knife-Blade Cartridge Fuse

With a quicker response than standard fast-acting fuses, these fuses provide the best protection for sensitive electronics.

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.

	Overall Lg.	No. of Elements	Cartridge Fuse Type	Fuse Protection Type	With Blown Fuse Indicator	Rejection-Style End	Certification		Each
Manufacturer Equivalent Fuse: A50QS, FWH, L50S







	9/16" Overall Diameter

	10	500	200,000 amp @ 500V AC	2"	1	Ferrule	Fast Acting	No	No	UL Recognized Component	000000000	000000


	20	500	200,000 amp @ 500V AC	2"	1	Ferrule	Fast Acting	No	No	UL Recognized Component	000000000	00000
	30	500	200,000 amp @ 500V AC	2"	1	Ferrule	Fast Acting	No	No	UL Recognized Component	000000000	00000




			13/16" Overall Diameter

			40	500	200,000 amp @ 500V AC	3 3/16"	1	Knife Blade	Fast Acting	No	No	UL Recognized Component	000000000	00000


			50	500	200,000 amp @ 500V AC	3 3/16"	1	Knife Blade	Fast Acting	No	No	UL Recognized Component	000000000	00000
			60	500	200,000 amp @ 500V AC	3 3/16"	1	Knife Blade	Fast Acting	No	No	UL Recognized Component	000000000	00000




					15/16" Overall Diameter

					80	500	200,000 amp @ 500V AC	3 5/8"	1	Knife Blade	Fast Acting	No	No	UL Recognized Component	000000000	00000


					100	500	200,000 amp @ 500V AC	3 5/8"	1	Knife Blade	Fast Acting	No	No	UL Recognized Component	000000000	00000




							1 3/16" Overall Diameter

							125	500	200,000 amp @ 500V AC	3 5/8"	1	Knife Blade	Fast Acting	No	No	UL Recognized Component	000000000	00000


							150	500	200,000 amp @ 500V AC	3 5/8"	1	Knife Blade	Fast Acting	No	No	UL Recognized Component	000000000	00000
							200	500	200,000 amp @ 500V AC	3 5/8"	1	Knife Blade	Fast Acting	No	No	UL Recognized Component	000000000	00000




									1 1/2" Overall Diameter

									300	500	200,000 amp @ 500V AC	4 5/16"	1	Knife Blade	Fast Acting	No	No	UL Recognized Component	000000000	000000


									400	500	200,000 amp @ 500V AC	4 5/16"	1	Knife Blade	Fast Acting	No	No	UL Recognized Component	000000000	000000




											2" Overall Diameter

											600	500	200,000 amp @ 500V AC	4 5/16"	1	Knife Blade	Fast Acting	No	No	UL Recognized Component	000000000	000000