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AltE 20 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 30 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 40 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 50 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 60 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 70 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 80 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 90 Amp, 250 VAC/ 125 VDC Class R Fuse
100 Amp, 250 VAC / 125 VDC Class R Fuse
AltE 15 Amp, 600 VAC/300 VDC Class R Fuse
AltE 20 Amp, 600 VAC/300 VDC Class R Fuse
AltE 30 Amp, 600 VAC/300 VDC Class R Fuse
AltE 40 Amp, 600 VAC/300 VDC Class R Fuse
AltE 60 Amp, 600 VAC/300 VDC Class R Fuse

AltE 20 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 20 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 30 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 30 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 40 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 40 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 50 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 50 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 60 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 60 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 70 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 70 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 80 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 80 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 90 Amp, 250 VAC/ 125 VDC Class R Fuse
AltE 90 Amp, 250 VAC/ 125 VDC Class R Fuse
100 Amp, 250 VAC / 125 VDC Class R Fuse
100 Amp, 250 VAC / 125 VDC Class R Fuse
AltE 15 Amp, 600 VAC/300 VDC Class R Fuse
AltE 15 Amp, 600 VAC/300 VDC Class R Fuse
AltE 20 Amp, 600 VAC/300 VDC Class R Fuse
AltE 20 Amp, 600 VAC/300 VDC Class R Fuse
AltE 30 Amp, 600 VAC/300 VDC Class R Fuse
AltE 30 Amp, 600 VAC/300 VDC Class R Fuse
AltE 40 Amp, 600 VAC/300 VDC Class R Fuse
AltE 40 Amp, 600 VAC/300 VDC Class R Fuse
AltE 60 Amp, 600 VAC/300 VDC Class R Fuse
AltE 60 Amp, 600 VAC/300 VDC Class R Fuse
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Model: FRN-R-20 (20A 250VAC) 30 A Class R Fuse (30A 250VAC) 40A Class R Fuse (40A 250VAC) 50A Class R Fuse (50A 250VAC) 60A Class R Fuse (60A 250VAC) 70A Class R Fuse (70A 250VAC) 80A Class R Fuse (80A 250VAC) 90A Class R Fuse (90A 250VAC) 100A Class R Fuse (100A 250VAC) 15A Class R Fuse (15A 600VAC) 20A Class R Fuse (20A 600VAC) 30A Class R Fuse (30A 600VAC) 40A Class R Fuse (40A 600VDC) 60 Amp Class R Fuse (60A 600VAC)
Select model:
Item code Brand name Model number Amps Fuse Type
ALR20AMP250VAC AltE FRN-R-20 20A R 250v
Item code Brand name Model number Amps Fuse Type
ALR30AMP250VAC AltE 30 A Class R Fuse 30A R 250v
Item code Brand name Model number Amps Fuse Type
ALR40AMP250VAC AltE 40A Class R Fuse 40A R 250v
Item code Brand name Model number Amps Fuse Type
ALR50AMP250VAC AltE 50A Class R Fuse 50A R 250v
Item code Brand name Model number Amps Fuse Type
ALR60AMP250VAC AltE 60A Class R Fuse 60A R 250v
Item code Brand name Model number Amps Fuse Type
ALR70AMP250VAC AltE 70A Class R Fuse 70A R 250v
Item code Brand name Model number Amps Fuse Type
ALR80AMP250VAC AltE 80A Class R Fuse 80A R 250v
Item code Brand name Model number Amps Fuse Type
ALR90AMP250VAC AltE 90A Class R Fuse 90A R 250v
Item code Brand name Model number Amps Fuse Type
ALR100AMP250VAC AltE 100A Class R Fuse 100A R 250v
Item code Brand name Model number Amps Fuse Type
ALR15AMP600VAC AltE 15A Class R Fuse 15A R 600v
Item code Brand name Model number Amps Fuse Type
ALR20AMP600VAC AltE 20A Class R Fuse 20A R 600v
Item code Brand name Model number Amps Fuse Type
ALR30AMP600VAC AltE 30A Class R Fuse 30A R 600v
Item code Brand name Model number Amps Fuse Type
ALR40AMP600VAC AltE 40A Class R Fuse 40A R 600v
Item code Brand name Model number Amps Fuse Type
ALR60AMP600VAC AltE 60 Amp Class R Fuse 60A R 600v

Class RK5 current limiting time delay fuses have high amp interrupting capacity (AIC) required for fusing circuits powered by batteries, and protecting wiring. Fuses comes in rejection style design to prevent replacement errors. The fuses have ferrule terminal connection. Cylindrical fuse features fiberglass tube construction. It provides current limitation to help protect downstream components from high fault currents. Clip mountable fuse provides motor overload, ground fault and short-circuit protection. It is ideal for power panel boards, motor control centers, combination starters and machinery disconnect switches. Fuses are UL listed, CE marked and CSA certified.

Images are for illustration only and may not be an exact representation of the product

Rated at either 600VAC/300VDC or 250VAC/125VDC

Here are some tips from the altE staff

  • 600VDC Class R fuses are used in Square D Disconnects. 125VDC Class R fuses are used in fuse blocks. They are NOT the same sizes and cannot be interchanged.

Here are some tips from the altE staff

  • 600VDC Class R fuses are used in Square D Disconnects. 125VDC Class R fuses are used in fuse blocks. They are NOT the same sizes and cannot be interchanged.

Here are some tips from the altE staff

  • 600VDC Class R fuses are used in Square D Disconnects. 125VDC Class R fuses are used in fuse blocks. They are NOT the same sizes and cannot be interchanged.

Here are some tips from the altE staff

  • 600VDC Class R fuses are used in Square D Disconnects. 125VDC Class R fuses are used in fuse blocks. They are NOT the same sizes and cannot be interchanged.

Here are some tips from the altE staff

  • 600VDC Class R fuses are used in Square D Disconnects. 125VDC Class R fuses are used in fuse blocks. They are NOT the same sizes and cannot be interchanged.

Here are some tips from the altE staff

  • 600VDC Class R fuses are used in Square D Disconnects. 125VDC Class R fuses are used in fuse blocks. They are NOT the same sizes and cannot be interchanged.

Here are some tips from the altE staff

  • 600VDC Class R fuses are used in Square D Disconnects. 125VDC Class R fuses are used in fuse blocks. They are NOT the same sizes and cannot be interchanged.

Here are some tips from the altE staff

  • 600VDC Class R fuses are used in Square D Disconnects. 125VDC Class R fuses are used in fuse blocks. They are NOT the same sizes and cannot be interchanged.

Here are some tips from the altE staff

  • 600VDC Class R fuses are used in Square D Disconnects. 125VDC Class R fuses are used in fuse blocks. They are NOT the same sizes and cannot be interchanged.

Here are some tips from the altE staff

  • 600VDC Class R fuses are used in Square D Disconnects. 125VDC Class R fuses are used in fuse blocks. They are NOT the same sizes and cannot be interchanged.

Here are some tips from the altE staff

  • 600VDC Class R fuses are used in Square D Disconnects. 125VDC Class R fuses are used in fuse blocks. They are NOT the same sizes and cannot be interchanged.

Here are some tips from the altE staff

  • 600VDC Class R fuses are used in Square D Disconnects. 125VDC Class R fuses are used in fuse blocks. They are NOT the same sizes and cannot be interchanged.

Here are some tips from the altE staff

  • 600VDC Class R fuses are used in Square D Disconnects. 125VDC Class R fuses are used in fuse blocks. They are NOT the same sizes and cannot be interchanged.

Here are some tips from the altE staff

  • 600VDC Class R fuses are used in Square D Disconnects. 125VDC Class R fuses are used in fuse blocks. They are NOT the same sizes and cannot be interchanged.

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