3AG Fuses | McMaster-Carr

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300 amp @ 32V AC

10,000 amp @ 125V AC

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Quick-Disconnect Terminal

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59 Products

Fast-Acting Glass-Tube Fuses

1/4" 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.
	Fuse Trade Size	Current, amp	Voltage, V AC	Breakthrough Current @ Voltage	Overall Lg.	No. of Elements	Fuse Protection Type	With Blown Fuse Indicator	Certification	Pkg. Qty.		1-9	10-Up
Manufacturer Equivalent Fuse: 312, AGC, GGC







				1/4" Overall Diameter

				3AG	1/16	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K33	000000	000000


				3AG	1/10	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K25	00000	00000
				3AG	1/8	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K34	00000	00000
				3AG	1/4	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K38	00000	00000
				3AG	3/10	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K731	00000	00000
				3AG	3/8	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K732	00000	00000
				3AG	1/2	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K42	0000	0000
				3AG	3/4	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K31	0000	0000
				3AG	1	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K46	0000	0000
				3AG	1 1/4	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K751	0000	0000
				3AG	1 1/2	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K26	0000	0000


				3AG	2	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K52	0000	0000
				3AG	2 1/2	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K35	0000	0000
				3AG	3	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K39	0000	0000
				3AG	4	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K43	0000	0000
				3AG	5	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K56	0000	0000
				3AG	6	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K37	0000	0000
				3AG	7	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K45	0000	0000
				3AG	8	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K57	0000	0000
				3AG	10	250	10,000 amp @ 125V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K781	0000	0000
				3AG	12	32	300 amp @ 32V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K48	0000	0000


				3AG	15	32	300 amp @ 32V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K19	0000	0000
				3AG	20	32	300 amp @ 32V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K791	0000	0000
				3AG	25	32	300 amp @ 32V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K28	0000	0000
				3AG	30	32	300 amp @ 32V AC	1 1/4"	1	Fast Acting	Yes	UL Listed	5	7085K21	0000	0000
				3AG	35	32	300 amp @ 32V AC	1 1/4"	1	Fast Acting	Yes	—	5	7085K12	0000	0000

Time-Delay Glass-Tube Fuses

1/4" 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.
	Fuse Trade Size	Current, amp	Voltage, V AC	Breakthrough Current @ Voltage	Overall Lg.	No. of Elements	Fuse Protection Type	With Blown Fuse Indicator	Certification	Pkg. Qty.		1-9	10-Up
Manufacturer Equivalent Fuse: 313, GDL, MDL







				1/4" Overall Diameter

				3AG	1/10	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K27	000000	000000


				3AG	1/8	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K72	00000	00000
				3AG	2/10	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K911	00000	00000
				3AG	1/4	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K76	00000	00000
				3AG	1/2	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K81	00000	00000
				3AG	3/4	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K32	00000	00000
				3AG	1	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K85	00000	00000
				3AG	1 1/2	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K29	00000	00000
				3AG	2	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K89	00000	00000
				3AG	2 1/2	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K36	00000	00000
				3AG	3	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K41	00000	00000


				3AG	3 2/10	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K951	00000	00000
				3AG	4	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K44	00000	00000
				3AG	5	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K93	00000	00000
				3AG	6 1/4	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K49	00000	00000
				3AG	7	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K47	00000	00000
				3AG	8	250	10,000 amp @ 125V AC	1 1/4"	1	Time Delay	Yes	UL Listed	5	7085K961	00000	00000
				3AG	10	32	300 amp @ 32V AC	1 1/4"	1	Time Delay	Yes	UL Recognized Component	5	7085K15	00000	00000
				3AG	15	32	300 amp @ 32V AC	1 1/4"	1	Time Delay	Yes	UL Recognized Component	5	7085K16	00000	00000
				3AG	20	32	300 amp @ 32V AC	1 1/4"	1	Time Delay	Yes	UL Recognized Component	5	7085K962	00000	00000
				3AG	25	32	300 amp @ 32V AC	1 1/4"	1	Time Delay	Yes	UL Recognized Component	5	7085K17	00000	00000


				3AG	30	32	300 amp @ 32V AC	1 1/4"	1	Time Delay	Yes	UL Recognized Component	5	7085K23	00000	00000

Inline Fuse Holders for Glass-Tube and Ceramic-Tube Fuses


Style B	Style C	Style D	Style E

Add fuse protection to a single wire.

			For Fuse
	Style	For No. of Fuses	Trade Size	Current, amp	Overall Dia.	Overall Lg.	Voltage	Wire Connection	Wire Connection Method	For Max. Wire Ga.	Mounting Location	Lg.	Ht.	Material	Environment		Each
For Fuse Manufacturer Equivalent: 312, 313, 314, 322, 326, 505, ABC, AGC, GAB, GBB, GDL, GGC, GSA, MDA, MDL



		B	1	3AB, 3AG	1/10 to 20	1/4"	1 1/4"	32V AC	Wire Leads	—	14	Inline	2.19"	0.69"	Plastic	—	7696K33	00000


		C	1	3AB, 3AG	1/10 to 30	1/4"	1 1/4"	32V AC	—	Crimp On	12	Inline	3"	0.75"	Rubber	Washdown	7696K31	00000
		D	1	3AB, 3AG	1/10 to 20	1/4"	1 1/4"	250V AC/250V DC	—	Crimp On	12	Inline	3.22"	0.8"	Plastic	Washdown	7696K41	00000


		For Fuse Manufacturer Equivalent: 312, 313, 314, 322, 326, 505, ABC, AGC, AGX, GAB, GBB, GDL, GGC, GGX, GSA, MDA, MDL



				E	1	3AB, 3AG, 8AG	1/10 to 30	1/4"	1", 1 1/4"	32V AC	—	Crimp On	12	Inline	2.42"	0.53"	Plastic	—	7696K32	0000

Glass-Tube and Ceramic-Tube Fuse Assortments


140 Pieces	270 Pieces

Maintain a supply of fast-acting and time-delay fuses.

3AB Ceramic-Tube Fast-Acting and Time-Delay Fuses, 3AG Glass-Tube Fast-Acting and Time-Delay Fuses—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. Fast-acting fuses open circuits quickly when surges are detected so they are suitable for resistive loads that do not have temporary overload current.

5mm Dia. Glass-Tube Fast-Acting Fuses—Fast-acting fuses open circuits quickly when surges are detected so they are suitable for resistive loads that do not have temporary overload current.

Current, amp	Total No. of Pieces	Includes	Container Type		Each
1/4 to 30	140	3AB Ceramic-Tube Fast-Acting and Time-Delay Fuses, 3AG Glass-Tube Fast-Acting and Time-Delay Fuses; Fuse Clips; Fuse Holders	Plastic Box	7719K8	0000000
1/8 to 30	270	3AB Ceramic-Tube Fast-Acting and Time-Delay Fuses, 3AG Glass-Tube Fast-Acting and Time-Delay Fuses; 5mm Dia. Glass-Tube Fast-Acting Fuses; Fuse Block; Fuse Clips; Fuse Holders	Plastic Box	7719K9	000000

Automotive and Glass-Tube Fuse Assortments

Includes a variety of blade-style automotive fuses and fast-acting glass-tube fuses.

Total No. of Pieces	Includes	Container Type	Certification		Each
180	135 assorted Mini-Blade, Standard-Blade, and Maxi-Blade Fast-Acting and Time-Delay Automotive Fuses; 45 assorted Fast-Acting 3AG Glass-Tube Fuses; Three Fuse Puller/Testers	Plastic Box	UL Listed	7460K88	0000000

Panel-Mount Fuse Holders for Glass-Tube and Ceramic-Tube Fuses


For 3AB and 3AG Fuses with Straight Quick-Disconnect Terminal	For 3AB and 3AG Fuses with 90° Elbow Quick-Disconnect Terminal	Panel Cutout for Holder for 3AB and 3AG Fuses	Panel Cutout for Holder for 3AB and 3AG Fuses

Insert glass- and ceramic-tube fuses into holders and twist the cover closed.

		For Fuse						Quick-Disconnect Tab		For Panel Cutout
	For No. of Fuses	Trade Size	Current, amp	Overall Dia.	Overall Lg.	Voltage, V AC	Wire Connection	Wd.	Shape	Ht.	Wd.	For Panel Thk.	Mounting Location	Lg.	Material	Certification		Each
For Fuse Manufacturer Equivalent: 312, 313, 314, 322, 326, 505, ABC, AGC, GAB, GBB, GDL, GGC, GSA, MDA, MDL



		1	3AB, 3AG	1/10 to 20	1/4"	1 1/4"	250	Quick-Disconnect Terminal	0.187"	Straight	0.51"	0.46", 0.47"	0.13"	Panel	1.69"	Plastic	UL Recognized Component	7087K14	00000


		1	3AB, 3AG	1/10 to 20	1/4"	1 1/4"	250	Quick-Disconnect Terminal	0.187"	90° Elbow	0.51"	0.46", 0.47"	0.13"	Panel	1.69"	Plastic	UL Recognized Component	7087K12	0000
		1	3AB, 3AG	1/10 to 20	1/4"	1 1/4"	250	Quick-Disconnect Terminal	0.25"	Straight	0.51"	0.46", 0.47"	0.13"	Panel	1.69"	Plastic	UL Recognized Component	7087K15	00000
		1	3AB, 3AG	1/10 to 20	1/4"	1 1/4"	250	Quick-Disconnect Terminal	0.25"	90° Elbow	0.51"	0.46", 0.47"	0.13"	Panel	1.69"	Plastic	UL Recognized Component	7087K13	00000