Ceramic-Tube Fuses | McMaster-Carr

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Time-Delay Ceramic-Tube Fuses

1/4" Dia.

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, labeled on the fuse as IR, is the maximum current that a fuse can safely stop in the event of a short circuit.

1/4" dia. fuses can be used in high-current electronic circuits such as microwave ovens.

For technical drawings and 3-D models, click on a part number.

								Each
Fuse Trade Size	Current, A	Voltage	Breakthrough Current	Overall Lg.	No. of Elements	Specifications Met		1-9	10-Up
Manufacturer Equivalent: 326, GSA, MDA
1/4" Overall Dia.
3AB	1/4	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	00000	00000
3AB	3/8	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	1/2	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	3/4	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	1	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	1 1/2	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	2	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	2 1/2	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	3	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	4	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	5	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	6	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	7	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	8	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	10	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	12	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	15	250V AC	10,000 A @ 125 V AC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	20	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified, CE Marked	000000000	0000	0000
3AB	25	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified, CE Marked	000000000	0000	0000
3AB	30	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified, CE Marked	000000000	0000	0000

								Pkg.
Current, A	Voltage	Breakthrough Current	Overall Lg., mm	No. of Elements	Specifications Met	Pkg. Qty.		1-9	10-Up
Manufacturer Equivalent: 215, GSF, S505
5mm Overall Dia.
1/4	250V AC	100 A @ 250 V AC	20	1	UL Recognized Component, CE Marked	5	00000000	000000	000000
1/2	250V AC	100 A @ 250 V AC	20	1	UL Recognized Component, CSA Certified, CE Marked	5	00000000	00000	00000
8/10	250V AC	100 A @ 250 V AC	20	1	UL Recognized Component, CSA Certified, CE Marked	5	00000000	00000	00000
1	250V AC	100 A @ 250 V AC	20	1	UL Recognized Component, CSA Certified, CE Marked	5	00000000	00000	00000
1 1/4	250V AC	100 A @ 250 V AC	20	1	UL Recognized Component, CSA Certified, CE Marked	5	00000000	00000	00000
2	250V AC	100 A @ 250 V AC	20	1	UL Recognized Component, CSA Certified, CE Marked	5	00000000	00000	00000
2 1/2	250V AC	100 A @ 250 V AC	20	1	UL Recognized Component, CSA Certified, CE Marked	5	00000000	00000	00000
4	250V AC	100 A @ 250 V AC	20	1	UL Recognized Component, CSA Certified, CE Marked	5	00000000	00000	00000
5	250V AC	100 A @ 250 V AC	20	1	UL Recognized Component, CSA Certified, CE Marked	5	00000000	00000	00000
8	250V AC	100 A @ 250 V AC	20	1	UL Recognized Component, CSA Certified, CE Marked	5	00000000	00000	00000
10	250V AC	100 A @ 250 V AC	20	1	UL Recognized Component, CSA Certified, CE Marked	5	00000000	00000	00000
Manufacturer Equivalent: 477
5mm Overall Dia.
1/2	500V AC/400V DC	100 A @ 500 V AC 400 A @ 400 V DC	20	1	UL Recognized Component, C-UL Recognized Component, CE Marked	5	00000000	00000	00000
8/10	500V AC/400V DC	100 A @ 500 V AC 400 A @ 400 V DC	20	1	UL Recognized Component, C-UL Recognized Component, CE Marked	5	00000000	00000	00000
1	500V AC/400V DC	100 A @ 500 V AC 400 A @ 400 V DC	20	1	UL Recognized Component, C-UL Recognized Component, CE Marked	5	00000000	00000	00000
2	500V AC/400V DC	100 A @ 500 V AC 400 A @ 400 V DC	20	1	UL Recognized Component, C-UL Recognized Component, CE Marked	5	00000000	00000	00000
3.15	500V AC/400V DC	100 A @ 500 V AC 400 A @ 400 V DC	20	1	UL Recognized Component, C-UL Recognized Component, CE Marked	5	00000000	00000	00000
4	500V AC/400V DC	100 A @ 500 V AC 400 A @ 400 V DC	20	1	UL Recognized Component, C-UL Recognized Component, CE Marked	5	00000000	00000	00000
5	500V AC/400V DC	100 A @ 500 V AC 400 A @ 400 V DC	20	1	UL Recognized Component, C-UL Recognized Component, CE Marked	5	00000000	00000	00000
6 3/10	500V AC/400V DC	100 A @ 500 V AC 400 A @ 400 V DC	20	1	UL Recognized Component, C-UL Recognized Component, CE Marked	5	00000000	00000	00000
8	500V AC/400V DC	100 A @ 500 V AC 400 A @ 400 V DC	20	1	UL Recognized Component, C-UL Recognized Component, CE Marked	5	00000000	00000	00000
10	500V AC/400V DC	100 A @ 500 V AC 400 A @ 400 V DC	20	1	UL Recognized Component, C-UL Recognized Component, CE Marked	5	00000000	00000	00000
12	500V AC/400V DC	100 A @ 500 V AC 400 A @ 400 V DC	20	1	UL Recognized Component, C-UL Recognized Component, CE Marked	5	00000000	00000	00000
16	500V AC/400V DC	100 A @ 500 V AC 400 A @ 400 V DC	20	1	UL Recognized Component, C-UL Recognized Component, CE Marked	5	00000000	00000	00000

Fast-Acting Ceramic-Tube Fuses

1/4" Dia.

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, labeled on the fuse as IR, is the maximum current that a fuse can safely stop in the event of a short circuit.

1/4" dia. fuses can be used in high-current electronic circuits such as microwave ovens.

For technical drawings and 3-D models, click on a part number.

							Each
Current, A	Voltage	Breakthrough Current	Overall Lg.	No. of Elements	Specifications Met		1-9	10-Up
Manufacturer Equivalent: 322, GBB
1/4" Overall Dia.
1	250V AC/125V DC	10,000 A @ 125 V AC, 10,000 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified	000000000	000000	000000
2	250V AC/125V DC	10,000 A @ 125 V AC, 10,000 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified	000000000	00000	00000
3	250V AC/125V DC	10,000 A @ 125 V AC, 10,000 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified	000000000	00000	00000
4	250V AC/125V DC	10,000 A @ 125 V AC, 10,000 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified	000000000	00000	00000
5	250V AC/125V DC	10,000 A @ 125 V AC, 10,000 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified	000000000	00000	00000
6	250V AC/125V DC	10,000 A @ 125 V AC, 10,000 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified	000000000	00000	00000
8	250V AC/125V DC	10,000 A @ 125 V AC, 10,000 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified	000000000	00000	00000
10	250V AC/125V DC	10,000 A @ 125 V AC, 10,000 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified	000000000	00000	00000
12	250V AC/125V DC	10,000 A @ 125 V AC, 10,000 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified	000000000	00000	00000
15	250V AC/125V DC	10,000 A @ 125 V AC, 10,000 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified	000000000	00000	00000
20	250V AC/125V DC	200 A @ 125 V AC, 200 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified	000000000	00000	00000
25	250V AC/125V DC	200 A @ 125 V AC, 200 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified	000000000	00000	00000

									Pkg.
Fuse Trade Size	Current, A	Voltage	Breakthrough Current	Overall Lg.	No. of Elements	Specifications Met	Pkg. Qty.		1-9	10-Up
Manufacturer Equivalent: 314, ABC, GAB
1/4" Overall Dia.
3AB	1/4	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified	5	00000000	00000	00000
3AB	1/2	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified	5	00000000	0000	0000
3AB	3/4	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified	5	00000000	0000	0000
3AB	1	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified	5	00000000	0000	0000
3AB	1 1/2	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified	5	00000000	0000	0000
3AB	2	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified	5	00000000	0000	0000
3AB	2 1/2	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified	5	00000000	0000	0000
3AB	3	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified	5	00000000	0000	0000
3AB	4	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified	5	00000000	0000	0000
3AB	5	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified	5	0000000	0000	0000
3AB	6	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified	5	00000000	0000	0000
3AB	7	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified	5	00000000	0000	0000
3AB	8	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified	5	00000000	0000	0000
3AB	10	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified	5	00000000	0000	0000
3AB	12	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified	5	00000000	0000	0000
3AB	15	250V AC/125V DC	10,000 A @ 125 V AC 10,000 A @ 125 V DC	1 1/4"	1	UL Listed, CSA Certified	5	00000000	0000	0000
3AB	20	250V AC/125V DC	1,000 A @ 125 V AC 400 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified	5	00000000	00000	00000
3AB	25	250V AC/125V DC	1,000 A @ 125 V AC 400 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified	5	00000000	00000	00000
3AB	30	250V AC/125V DC	1,000 A @ 125 V AC 400 A @ 125 V DC	1 1/4"	1	UL Recognized Component, CSA Certified	5	00000000	00000	00000
Manufacturer Equivalent: 505
1/4" Overall Dia.
3AB	10	450V AC	20,000 A @ 450 V AC	1 1/4"	1	UL Recognized Component, C-UL Recognized Component	5	000000000	00000	00000
3AB	12	450V AC	20,000 A @ 450 V AC	1 1/4"	1	UL Recognized Component, C-UL Recognized Component	5	000000000	00000	00000
3AB	16	500V DC/500V AC	20,000 A @ 500 V DC 30,000 A @ 500 V AC	1 1/4"	1	UL Recognized Component, C-UL Recognized Component	5	000000000	00000	00000
3AB	20	500V DC/500V AC	20,000 A @ 500 V DC 30,000 A @ 500 V AC	1 1/4"	1	UL Recognized Component, C-UL Recognized Component	5	000000000	00000	00000
3AB	25	500V DC/500V AC	20,000 A @ 500 V DC 30,000 A @ 500 V AC	1 1/4"	1	UL Recognized Component, C-UL Recognized Component	5	000000000	00000	00000
3AB	30	500V DC/500V AC	20,000 A @ 500 V DC 30,000 A @ 500 V AC	1 1/4"	1	UL Recognized Component, C-UL Recognized Component	5	000000000	00000	00000
Manufacturer Equivalent: 216, GDA, GSD
5mm Overall Dia.
__	1/8	250V AC	1,500 A @ 250 V AC	20mm	1	UL Recognized Component	5	00000000	00000	00000
__	1/4	250V AC	1,500 A @ 250 V AC	20mm	1	UL Recognized Component	5	00000000	00000	00000
__	1/2	250V AC	1,500 A @ 250 V AC	20mm	1	UL Recognized Component	5	00000000	00000	00000
__	5/8	250V AC	1,500 A @ 250 V AC	20mm	1	UL Recognized Component	5	0000000	00000	00000
__	8/10	250V AC	1,500 A @ 250 V AC	20mm	1	UL Recognized Component	5	00000000	00000	00000
__	1	250V AC	1,500 A @ 250 V AC	20mm	1	UL Recognized Component	5	00000000	00000	00000
__	1 1/4	250V AC	1,500 A @ 250 V AC	20mm	1	UL Recognized Component	5	00000000	00000	00000
__	1 6/10	250V AC	1,500 A @ 250 V AC	20mm	1	UL Recognized Component	5	00000000	00000	00000
__	2	250V AC	1,500 A @ 250 V AC	20mm	1	UL Recognized Component	5	00000000	00000	00000
__	2 1/2	250V AC	1,500 A @ 250 V AC	20mm	1	UL Recognized Component	5	00000000	00000	00000
__	3.15	250V AC	1,500 A @ 250 V AC	20mm	1	UL Recognized Component	5	00000000	00000	00000
__	4	250V AC	1,500 A @ 250 V AC	20mm	1	UL Recognized Component	5	00000000	00000	00000
__	5	250V AC	1,500 A @ 250 V AC	20mm	1	UL Recognized Component	5	00000000	00000	00000
__	6 3/10	250V AC	1,500 A @ 250 V AC	20mm	1	UL Recognized Component	5	00000000	00000	00000
__	10	250V AC	1,500 A @ 250 V AC	20mm	1	UL Recognized Component	5	00000000	00000	00000
__	12 1/2	250V AC	1,500 A @ 250 V AC	20mm	1	UL Recognized Component	5	00000000	00000	00000

European Fuses

These fuses can be used with equipment made in Europe.

Breakthrough current, labeled on the fuse as IR, is the maximum current that a fuse can safely stop in the event of a short circuit.

For technical drawings and 3-D models, click on a part number.

			Overall, mm						Each
Current, A	Voltage	Breakthrough Current	Lg.	Dia.	Protection Type	No. of Elements	Specifications Met		1-9	10-Up
Type gL-gG
1	500V AC	120,000 A @ 500 V AC	38	10	Fast Acting	1	CE Marked	0000000	000000	000000
2	500V AC	120,000 A @ 500 V AC	38	10	Fast Acting	1	CE Marked	0000000	00000	00000
4	500V AC	120,000 A @ 500 V AC	38	10	Fast Acting	1	CE Marked	0000000	00000	00000
6	500V AC	120,000 A @ 500 V AC	38	10	Fast Acting	1	CE Marked	0000000	00000	00000
8	500V AC	120,000 A @ 500 V AC	38	10	Fast Acting	1	CE Marked	0000000	00000	00000
10	500V AC	120,000 A @ 500 V AC	38	10	Fast Acting	1	CE Marked	0000000	00000	00000
12	500V AC	120,000 A @ 500 V AC	38	10	Fast Acting	1	CE Marked	0000000	00000	00000
16	500V AC	120,000 A @ 500 V AC	38	10	Fast Acting	1	CE Marked	0000000	00000	00000
20	500V AC	120,000 A @ 500 V AC	38	10	Fast Acting	1	CE Marked	0000000	00000	00000
25	500V AC	120,000 A @ 500 V AC	38	10	Fast Acting	1	CE Marked	0000000	00000	00000
32	400V AC	120,000 A @ 400 V AC	38	10	Fast Acting	1	CE Marked	000000	00000	00000

Glass-Tube and Ceramic-Tube Fuse Assortments

140-Fuse Kit

270-Fuse Kit

Maintain a supply of 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.

For technical drawings and 3-D models, click on a part number.

Current, A	Total Number of Pieces	Includes	Container Type		Each
1/4-30	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	000000	0000000
1/8-30	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	000000	000000