UL Class Fuses | McMaster-Carr

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Fuse UL Class

RK1

RK5

System of Measurement

Current

Voltage

Manufacturer Equivalent Fuse

Fuse Protection Type

Fuse Type

For Fuse Manufacturer Equivalent

Fuse Current

Breakthrough Current @ Voltage

10,000 amp @ 250V AC

50,000 amp @ 250V AC

200,000 amp @ 250V AC

300,000 amp @ 250V AC

200,000 amp @ 300V AC

100,000 amp @ 480V AC

10,000 amp @ 500V AC

10,000 amp @ 600V AC

50,000 amp @ 600V AC

100,000 amp @ 600V AC

200,000 amp @ 600V AC

300,000 amp @ 600V AC

20,000 amp @ 125V DC

50,000 amp @ 125V DC

100,000 amp @ 125V DC

Overall Diameter

Cartridge Fuse Type

With Blown Fuse Indicator

Certification

UL Recognized Component

Number of Elements

Rejection-Style End

Yes

For Number of Fuses

Diameter

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

REACH

Mounting Location

UL File Number

653 Products

Electrical

Fuses

Stop the flow of electricity when there's a circuit overload or short; replace after each break

498 products

Fuse Blocks

Send power to one or more circuits and house a fuse for each of them

119 products

Fuse Block Reducers

Adapt fuse blocks designed for large, high-amp fuses to hold small, low-amp fuses

8 products

Fuse Holders

Contain, protect, and mount fuses

6 products

Fuse Block Safety Covers

Prevent accidental shocks when handling fuse blocks and fuses

4 products