Class G Fuses | McMaster-Carr

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RK5

RK1

	Current Current

	Voltage Voltage

	Fuse Type Fuse Type

	Cartridge

	Manufacturer Equivalent Manufacturer Equivalent

SLC

	Overall Length Overall Length

	Overall Diameter Overall Diameter

13/32"

	Protection Type Protection Type

Time Delay

Fast Acting

	Breakthrough Current Breakthrough Current

	Specifications Met Specifications Met

CSA

	Blown Fuse Indicator Blown Fuse Indicator

	Cartridge Fuse Style Cartridge Fuse Style

Ferrule

	Rejection-Style End Rejection-Style End

	Number of Elements Number of Elements

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

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About Fuses

Able to withstand current overload for a short time, these fuses will not open when exposed to harmless temporary surges, such as when starting a motor. They have a smaller footprint than standard size fuses. Protect power distribution branch circuits from overcurrent. Use with Fuse Blocks for UL Class G 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.

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

			Overall						Each
Current, A	Voltage	Breakthrough Current	Lg.	Dia.	No. of Elements	Cartridge Fuse Style	Specifications Met		1-9	10-Up
Manufacturer Equivalent: AG, SC, SLC
10	600V AC/170V DC	10,000 A @ 170 V DC 100,000 A @ 600 V AC	1 5/16"	13/32"	1	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
15	600V AC/170V DC	10,000 A @ 170 V DC 100,000 A @ 600 V AC	1 5/16"	13/32"	1	Ferrule	UL Listed, CSA Certified	000000000	0000	0000
20	600V AC/170V DC	10,000 A @ 170 V DC 100,000 A @ 600 V AC	1 13/32"	13/32"	1	Ferrule	UL Listed, CSA Certified	000000000	0000	0000
25	480V AC/300V DC	10,000 A @ 300 V DC 100,000 A @ 480 V AC	1 5/8"	13/32"	1	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
30	480V AC/300V DC	10,000 A @ 300 V DC 100,000 A @ 480 V AC	1 5/8"	13/32"	1	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
35	480V AC/300V DC	10,000 A @ 300 V DC 100,000 A @ 480 V AC	2 1/4"	13/32"	1	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
40	480V AC/300V DC	10,000 A @ 300 V DC 100,000 A @ 480 V AC	2 1/4"	13/32"	1	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
45	480V AC/300V DC	10,000 A @ 300 V DC 100,000 A @ 480 V AC	2 1/4"	13/32"	1	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
50	480V AC/300V DC	10,000 A @ 300 V DC 100,000 A @ 480 V AC	2 1/4"	13/32"	1	Ferrule	UL Listed, CSA Certified	000000000	00000	00000
60	480V AC/300V DC	10,000 A @ 300 V DC 100,000 A @ 480 V AC	2 1/4"	13/32"	1	Ferrule	UL Listed, CSA Certified	000000000	00000	00000

UL Class G Fast-Acting Midget Fuses

These fuses open circuits quickly when surges are detected. They have a smaller footprint than standard size fuses. Use them to protect power distribution branch circuits from overcurrent. Designed for use with Fuse Blocks for UL Class G 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.

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

			Overall						Each
Current, A	Voltage	Breakthrough Current	Lg.	Dia.	No. of Elements	Cartridge Fuse Style	Specifications Met		1-9	10-Up
Manufacturer Equivalent: AG, SC, SLC
1	600V AC/170V DC	10,000 A @ 170 V DC 100,000 A @ 600 V AC	1 5/16"	13/32"	1	Ferrule	UL Listed, CSA Certified	000000000	000000	00000
2	600V AC/170V DC	10,000 A @ 170 V DC 100,000 A @ 600 V AC	1 5/16"	13/32"	1	Ferrule	UL Listed, CSA Certified	000000000	00000	0000
3	600V AC/170V DC	10,000 A @ 170 V DC 100,000 A @ 600 V AC	1 5/16"	13/32"	1	Ferrule	UL Listed, CSA Certified	000000000	00000	0000
5	600V AC/170V DC	10,000 A @ 170 V DC 100,000 A @ 600 V AC	1 5/16"	13/32"	1	Ferrule	UL Listed, CSA Certified	000000000	00000	0000
6	600V AC/170V DC	10,000 A @ 170 V DC 100,000 A @ 600 V AC	1 5/16"	13/32"	1	Ferrule	UL Listed, CSA Certified	000000000	00000	0000

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About Fuses

UL Class G Time-Delay Midget Fuses

UL Class G Fast-Acting Midget Fuses