5 mm x 20 mm Fuses | McMaster-Carr

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90 Products

Fast-Acting Glass-Tube Fuses

5mm Dia.

These fuses open circuits quickly when surges are detected. The clear glass tube makes it easy to see when fuses open. Use them with electronics, control panels, and other sensitive components. Select them by their diameter. Designed for use with Fuse Blocks for Glass-Tube 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.

											Pkg.
	Current, amp	Voltage, V AC	Breakthrough Current @ Voltage	Overall Lg., mm	No. of Elements	Fuse Protection Type	With Blown Fuse Indicator	Certification	Pkg. Qty.		1-9	10-Up
Manufacturer Equivalent Fuse: 217, GDB, GSB







				5 mm Overall Diameter

				1/10	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K761	000000	00000


				1/8	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K762	00000	0000
				2/10	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K763	00000	0000
				1/4	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K764	00000	0000
				1/2	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K765	0000	0000
				8/10	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K766	0000	0000
				1	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K767	0000	0000
				1 1/4	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K768	0000	0000
				1 6/10	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K736	0000	0000
				2	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K769	0000	0000
				2 1/2	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K771	0000	0000


				3.15	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K731	00000	00000
				4	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K772	00000	00000
				5	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K773	00000	00000
				6 3/10	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K774	00000	00000
				8	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K733	00000	00000
				10	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Recognized Component, CSA Certified	5	6978K734	00000	00000
				15	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	—	5	6978K783	0000	0000


				Manufacturer Equivalent Fuse: 235, GGM, GMA







								5 mm Overall Diameter

								1/4	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Listed, CSA Certified	5	6978K701	00000	0000


								4/10	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Listed, CSA Certified	5	6978K702	00000	0000
								1/2	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Listed, CSA Certified	5	6978K711	00000	0000
								1	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Listed, CSA Certified	5	6978K712	00000	0000
								1 1/2	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Listed, CSA Certified	5	6978K713	00000	0000
								2	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Listed, CSA Certified	5	6978K714	00000	0000
								3	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Listed, CSA Certified	5	6978K715	00000	0000
								3.15	125	10,000 amp @ 125V AC	20	1	Fast Acting	Yes	UL Listed, CSA Certified	5	6978K732	0000	0000
								4	125	10,000 amp @ 125V AC	20	1	Fast Acting	Yes	UL Listed, CSA Certified	5	6978K716	0000	0000
								5	125	10,000 amp @ 125V AC	20	1	Fast Acting	Yes	UL Listed, CSA Certified	5	6978K739	0000	0000
								6	125	10,000 amp @ 125V AC	20	1	Fast Acting	Yes	UL Listed, CSA Certified	5	6978K717	0000	0000


								7	125	150 amp @ 125V AC	20	1	Fast Acting	Yes	UL Recognized Component	5	6978K775	0000	0000
								8	125	150 amp @ 125V AC	20	1	Fast Acting	Yes	UL Recognized Component	5	6978K718	0000	0000
								10	125	150 amp @ 125V AC	20	1	Fast Acting	Yes	UL Recognized Component	5	6978K776	0000	0000
								15	125	150 amp @ 125V AC	20	1	Fast Acting	Yes	UL Recognized Component	5	6978K777	0000	0000
								7/10	250	35 amp @ 250V AC	20	1	Fast Acting	Yes	UL Listed, CSA Certified	5	6978K703	00000	0000

Time-Delay Glass-Tube Fuses

5mm Dia.

Able to withstand current overload for a short time, these fuses will not open when exposed to harmless temporary surges. The clear glass tube makes it easy to see when fuses open. Use them with electronics, control panels, and other sensitive components. Select these fuses by their diameters. Designed for use with Fuse Blocks for Glass-Tube 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.

												Pkg.
	Current, amp	Voltage, V AC	Breakthrough Current @ Voltage	Overall Lg., mm	No. of Elements	Fuse Protection Type	With Blown Fuse Indicator	Certification	Specs. Met	Pkg. Qty.		1-9	10-Up
Manufacturer Equivalent Fuse: 218, GDC, GDG







				5 mm Overall Diameter

				1/10	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K741	000000	000000


				1/8	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K742	00000	00000
				2/10	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K743	00000	00000
				1/4	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K744	00000	00000
				1/2	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K745	00000	0000
				8/10	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K746	00000	0000
				1	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K747	00000	0000
				1 1/4	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K748	00000	0000
				1 6/10	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K755	00000	0000
				2	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K749	00000	0000
				2 1/2	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K751	00000	0000


				3.15	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K757	00000	0000
				4	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K752	00000	0000
				5	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K753	00000	0000
				6 3/10	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K754	00000	0000
				8	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K756	00000	0000
				10	250	35 amp @ 250V AC	20	1	Time Delay	Yes	UL Recognized Component, CSA Certified	IEC 60127-2	5	6978K758	00000	0000

Time-Delay Ceramic-Tube Fuses

5mm Dia.

Able to withstand current overload for a short time, these fuses will not open when exposed to harmless temporary surges. They can withstand temperature swings and high ambient temperatures better than glass-tube fuses. Use them with electronics, control panels, and other sensitive components. Select these fuses by their diameters. Designed for use with Fuse Blocks for Ceramic-Tube 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.

												Pkg.
	Current, amp	Voltage	Breakthrough Current @ Voltage	Overall Lg., mm	No. of Elements	Fuse Protection Type	With Blown Fuse Indicator	Certification	UL File No.	Pkg. Qty.		1-9	10-Up
Manufacturer Equivalent Fuse: 215, GSF, S505







				5 mm Overall Diameter

				1/4	250V AC	100 amp @ 250V AC	20	1	Time Delay	No	UL Recognized Component, CE Marked	E10480	5	6986K631	000000	000000


				1/2	250V AC	100 amp @ 250V AC	20	1	Time Delay	No	UL Recognized Component, CSA Certified, CE Marked	E10480	5	6986K632	00000	00000
				8/10	250V AC	100 amp @ 250V AC	20	1	Time Delay	No	UL Recognized Component, CSA Certified, CE Marked	E10480	5	6986K633	00000	00000
				1	250V AC	100 amp @ 250V AC	20	1	Time Delay	No	UL Recognized Component, CSA Certified, CE Marked	E10480	5	6986K634	00000	00000
				1 1/4	250V AC	100 amp @ 250V AC	20	1	Time Delay	No	UL Recognized Component, CSA Certified, CE Marked	E10480	5	6986K635	00000	00000
				2	250V AC	100 amp @ 250V AC	20	1	Time Delay	No	UL Recognized Component, CSA Certified, CE Marked	E10480	5	6986K636	00000	00000
				2 1/2	250V AC	100 amp @ 250V AC	20	1	Time Delay	No	UL Recognized Component, CSA Certified, CE Marked	E10480	5	6986K637	00000	00000
				4	250V AC	100 amp @ 250V AC	20	1	Time Delay	No	UL Recognized Component, CSA Certified, CE Marked	E10480	5	6986K638	00000	00000
				5	250V AC	100 amp @ 250V AC	20	1	Time Delay	No	UL Recognized Component, CSA Certified, CE Marked	E10480	5	6986K639	00000	00000
				8	250V AC	100 amp @ 250V AC	20	1	Time Delay	No	UL Recognized Component, CSA Certified, CE Marked	E10480	5	6986K641	00000	00000
				10	250V AC	100 amp @ 250V AC	20	1	Time Delay	No	UL Recognized Component, CSA Certified, CE Marked	E10480	5	6986K642	00000	00000


				Manufacturer Equivalent Fuse: 477







								5 mm Overall Diameter

								1/2	500V AC, 400V DC	100 amp @ 500V AC 400 amp @ 400V DC	20	1	Time Delay	No	UL Recognized Component, CE Marked, C-UL Recognized Component	E10480	5	6986K716	00000	00000


								8/10	500V AC, 400V DC	100 amp @ 500V AC 400 amp @ 400V DC	20	1	Time Delay	No	UL Recognized Component, CE Marked, C-UL Recognized Component	E10480	5	6986K717	00000	00000
								1	500V AC, 400V DC	100 amp @ 500V AC 400 amp @ 400V DC	20	1	Time Delay	No	UL Recognized Component, CE Marked, C-UL Recognized Component	E10480	5	6986K711	00000	00000
								2	500V AC, 400V DC	100 amp @ 500V AC 400 amp @ 400V DC	20	1	Time Delay	No	UL Recognized Component, CE Marked, C-UL Recognized Component	E10480	5	6986K712	00000	00000
								3.15	500V AC, 400V DC	100 amp @ 500V AC 400 amp @ 400V DC	20	1	Time Delay	No	UL Recognized Component, CE Marked, C-UL Recognized Component	E10480	5	6986K713	00000	00000
								4	500V AC, 400V DC	100 amp @ 500V AC 400 amp @ 400V DC	20	1	Time Delay	No	UL Recognized Component, CE Marked, C-UL Recognized Component	E10480	5	6986K714	00000	00000
								5	500V AC, 400V DC	100 amp @ 500V AC 400 amp @ 400V DC	20	1	Time Delay	No	UL Recognized Component, CE Marked, C-UL Recognized Component	E10480	5	6986K715	00000	00000
								6 3/10	500V AC, 400V DC	100 amp @ 500V AC 400 amp @ 400V DC	20	1	Time Delay	No	UL Recognized Component, CE Marked, C-UL Recognized Component	E10480	5	6986K811	00000	00000
								8	500V AC, 400V DC	100 amp @ 500V AC 400 amp @ 400V DC	20	1	Time Delay	No	UL Recognized Component, CE Marked, C-UL Recognized Component	E10480	5	6986K812	00000	00000
								10	500V AC, 400V DC	100 amp @ 500V AC 400 amp @ 400V DC	20	1	Time Delay	No	UL Recognized Component, CE Marked, C-UL Recognized Component	E10480	5	6986K813	00000	00000
								12	500V AC, 400V DC	100 amp @ 500V AC 400 amp @ 400V DC	20	1	Time Delay	No	UL Recognized Component, CE Marked, C-UL Recognized Component	E10480	5	6986K814	00000	00000


								16	500V AC, 400V DC	100 amp @ 500V AC 400 amp @ 400V DC	20	1	Time Delay	No	UL Recognized Component, CE Marked, C-UL Recognized Component	E10480	5	6986K815	00000	00000

Fast-Acting Ceramic-Tube Fuses

5mm Dia.

These fuses open circuits quickly when surges are detected. They can withstand temperature swings and high ambient temperatures better than glass-tube fuses. Use with electronics, control panels, and other sensitive components. Select these fuses by their diameters. Designed for use with Fuse Blocks for Ceramic-Tube 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.

											Pkg.
	Voltage, V AC	Breakthrough Current @ Voltage	Overall Lg., mm	No. of Elements	Fuse Protection Type	With Blown Fuse Indicator	Certification	Current, amp	Pkg. Qty.		1-9	10-Up
Manufacturer Equivalent Fuse: 216, GDA, GSD







				5 mm Overall Diameter

				250	1,500 amp @ 250V AC	20	1	Fast Acting	No	UL Recognized Component	1/8	5	6986K611	000000	000000


				250	1,500 amp @ 250V AC	20	1	Fast Acting	No	UL Recognized Component	1/4	5	6986K612	00000	00000
				250	1,500 amp @ 250V AC	20	1	Fast Acting	No	UL Recognized Component	1/2	5	6986K613	00000	00000
				250	1,500 amp @ 250V AC	20	1	Fast Acting	No	UL Recognized Component	5/8	5	6986K62	00000	00000
				250	1,500 amp @ 250V AC	20	1	Fast Acting	No	UL Recognized Component	8/10	5	6986K614	00000	00000
				250	1,500 amp @ 250V AC	20	1	Fast Acting	No	UL Recognized Component	1	5	6986K615	00000	00000
				250	1,500 amp @ 250V AC	20	1	Fast Acting	No	UL Recognized Component	1 1/4	5	6986K616	00000	00000
				250	1,500 amp @ 250V AC	20	1	Fast Acting	No	UL Recognized Component	1 6/10	5	6986K622	00000	00000
				250	1,500 amp @ 250V AC	20	1	Fast Acting	No	UL Recognized Component	2	5	6986K617	00000	00000
				250	1,500 amp @ 250V AC	20	1	Fast Acting	No	UL Recognized Component	2 1/2	5	6986K618	00000	00000
				250	1,500 amp @ 250V AC	20	1	Fast Acting	No	UL Recognized Component	3.15	5	6986K623	00000	00000


				250	1,500 amp @ 250V AC	20	1	Fast Acting	No	UL Recognized Component	4	5	6986K619	00000	00000
				250	1,500 amp @ 250V AC	20	1	Fast Acting	No	UL Recognized Component	5	5	6986K621	00000	00000
				250	1,500 amp @ 250V AC	20	1	Fast Acting	No	UL Recognized Component	6 3/10	5	6986K624	00000	00000
				250	1,500 amp @ 250V AC	20	1	Fast Acting	No	UL Recognized Component	10	5	6986K625	00000	00000
				250	1,500 amp @ 250V AC	20	1	Fast Acting	No	UL Recognized Component	12 1/2	5	6986K626	00000	00000