Class J Fuse Blocks | McMaster-Carr

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	For Fuse UL Class For Fuse UL Class	Show

	For Fuse UL Class For Fuse UL Class	Hide

RK1

RK5

	For Number of Fuses For Number of Fuses

	For Fuse Current For Fuse Current

	Voltage Voltage

600V AC

600V DC

	For Fuse Manufacturer Equivalent For Fuse Manufacturer Equivalent

	Specifications Met Specifications Met

CSA

CE Marked

	For Fuse Type For Fuse Type

	Cartridge

	Mounting Location Mounting Location

DIN Rail

	Wire Connection Type Wire Connection Type

Box-Lug Terminals

Screw Terminals

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

DFARS Specialty Metals
COTS-Exempt

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

RoHS Compliant

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	System of Measurement System of Measurement

Inch

	Height Height

4.49"

4.8"

	Width Width

	Depth Depth

28 Products

Fuse Blocks for UL Class Fuses

For 1 Fuse with Box-Lug Terminal

For 2 Fuses with Box-Lug Terminals

For 3 Fuses with Box-Lug Terminals

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

	For Fuse
For No. of Fuses	UL Class	Current, A	Voltage	Wire Connection Type	Specifications Met		Each
For Fuse Manufacturer Equivalent: A4J, AJT, JKS, JLS, JTD, LPJ-SP
1	J	1/2-30	600V AC	Box-Lug Terminals	UL Listed, CSA Certified, CE Marked	00000000	000000
1	J	31-60	600V AC	Box-Lug Terminals	UL Listed, CSA Certified, CE Marked	00000000	00000
1	J	61-100	600V AC	Box-Lug Terminals	UL Listed, CSA Certified, CE Marked	0000000	00000
1	J	101-200	600V AC	Box-Lug Terminals	UL Listed, CSA Certified, CE Marked	0000000	000000
2	J	1/2-30	600V AC	Box-Lug Terminals	UL Listed, CSA Certified, CE Marked	00000000	00000
2	J	31-60	600V AC	Box-Lug Terminals	UL Listed, CSA Certified, CE Marked	00000000	00000
3	J	1/2-30	600V AC	Box-Lug Terminals	UL Listed, CSA Certified, CE Marked	00000000	00000
3	J	31-60	600V AC	Box-Lug Terminals	UL Listed, CSA Certified, CE Marked	00000000	00000
3	J	61-100	600V AC	Box-Lug Terminals	UL Listed, CSA Certified, CE Marked	0000000	000000
3	J	101-200	600V AC	Box-Lug Terminals	UL Listed, CSA Certified, CE Marked	0000000	000000

DIN-Rail Mount Fuse Blocks for UL Class J Fuses

For 1 Fuse

For 2 Fuses

For 3 Fuses

Covered terminals prevent contact with live electrical circuits.

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

For Fuse Manufacturer Equivalent: A4J, AJT, JKS, JLS, JTD, LPJ
For No. of Fuses	For Fuse Current, A	Voltage	Wire Connection Type	For DIN Rail Size, mm	Features	Ht.	Wd.	Dp.	Specifications Met		Each
1	1-30	600V AC	Screw Terminals	35	Covered Terminals	4.49"	1.28"	3.15"	UL Listed, CSA Certified	0000000	000000
1	1-30	600V AC	Screw Terminals	35	Covered Terminals, Blown-Fuse Indicator	4.49"	1.28"	3.15"	UL Listed, CSA Certified	0000000	00000
1	31-60	600V AC	Screw Terminals	35	Covered Terminals	4.8"	1.57"	3 1/2"	UL Listed, CSA Certified	0000000	00000
1	31-60	600V AC	Screw Terminals	35	Covered Terminals, Blown-Fuse Indicator	4.8"	1.57"	3 1/2"	UL Listed, CSA Certified	0000000	00000
2	1-30	600V AC	Screw Terminals	35	Covered Terminals	4.49"	2.56"	3.15"	UL Listed, CSA Certified	0000000	00000
2	1-30	600V AC	Screw Terminals	35	Covered Terminals, Blown-Fuse Indicator	4.49"	2.56"	3.15"	UL Listed, CSA Certified	0000000	00000
2	31-60	600V AC	Screw Terminals	35	Covered Terminals	4.8"	3.14"	3 1/2"	UL Listed, CSA Certified	0000000	00000
2	31-60	600V AC	Screw Terminals	35	Covered Terminals, Blown-Fuse Indicator	4.8"	3.14"	3 1/2"	UL Listed, CSA Certified	0000000	00000
3	1-30	600V AC	Screw Terminals	35	Covered Terminals	4.49"	3.84"	3.15"	UL Listed, CSA Certified	0000000	000000
3	1-30	600V AC	Screw Terminals	35	Covered Terminals, Blown-Fuse Indicator	4.49"	3.84"	3.15"	UL Listed, CSA Certified	0000000	000000
3	31-60	600V AC	Screw Terminals	35	Covered Terminals	4.8"	4.71"	3 1/2"	UL Listed, CSA Certified	0000000	000000
3	31-60	600V AC	Screw Terminals	35	Covered Terminals, Blown-Fuse Indicator	4.8"	4.71"	3 1/2"	UL Listed, CSA Certified	0000000	000000

DIN-Rail/Surface-Mount Fuse Blocks

For 1 Fuse

For 2 Fuses

For 3 Fuses

Fuse blocks have a universal hole pattern, so they can be mounted on either DIN-rail or directly onto surfaces.

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

	For Fuse
For No. of Fuses	UL Class	Current, A	Voltage	Wire Connection Type	For DIN Rail Size, mm	Specifications Met		Each
For Fuse Manufacturer Equivalent: A4J, AJT, JKS, JLS, JTD, LPJ-SP
1	J	1-30	600V AC/600V DC	Box-Lug Terminals	35	UL Listed, CSA Certified	0000000	000000
1	J	31-60	600V AC/600V DC	Box-Lug Terminals	35	UL Listed, CSA Certified	0000000	00000
2	J	1-30	600V AC/600V DC	Box-Lug Terminals	35	UL Listed, CSA Certified	0000000	00000
2	J	31-60	600V AC/600V DC	Box-Lug Terminals	35	UL Listed, CSA Certified	0000000	00000
3	J	1-30	600V AC/600V DC	Box-Lug Terminals	35	UL Listed, CSA Certified	0000000	00000
3	J	31-60	600V AC/600V DC	Box-Lug Terminals	35	UL Listed, CSA Certified	0000000	00000