Bussmann 170M4393 Eaton series high speed square body fuse, 700V (UL), 690V (IEC), 400A, 100 kAIC, Other, Fuse, Class aR, Flush - 170M4393.Amp rating: 400 AVoltage rating: 700 VClass: Class aRInterrupt rating: 100 kAICProduct type: FuseDimensions (L x W x H): 73 x 170 x 52 mmGenuine Bussmann part number 170M4393.