FWJ-150A| Mersen cross: MEV70A

FWJ — North American Style high speed fuse

Cost Price Clearing Inventory 

Used in the photovoltaic energy storage and charging equipment industry 

ABPOWER domain name changed from BUSSMANNPOWER.COM to ASBEAM.COM

Bussmann 

Up to 

130 V: FWA Up to 

250 V: FWX Up to 

500 V: FWH Up to 

600 V: FWC, KAC, KBC Up to

 700 V: FWP, 170M_, SPP Up to 

1000 V: FWJ, 170M_, SPJ

1000 Vac /800 Vdc (UL), 35 to 2000 A

North American style bolted tags high speed fuses for the protectionof DC common bus, DC drives power converters/rectifiers, reducedrated voltage starters and high voltage traction inverters.

Fuse Ratings

• Volts • 1000 Vac • 800 Vdc • Amps 35-2000 A

• IR • 25 kA RMS Sym. (35-200 A) • 100 kA RMS Sym. (250-2000 A)

• 50 kA at 800 Vdc (35-200 A and 450-600 A)

Fuse PN List and Fuse cross reference

What is a high speed fuse?

High speed fuses are specially designed to minimize the I²t, peak current let-through and arc voltage. Ensuring fast opening and clearing of a fault requires rapid element melting. ... High speed fuses are primarily for protecting semiconductors from short-circuits.