Mersen Amp-Trap Time Delay Fuse, Current Limiting Low Voltage, Series: A4BT, Rejection, 800 A, 600 V AC/500 V DC, 200/100 kA Interrupt, Class: L, 10 s at 500% Response, Blade Terminal, Bolted-On Mounting, Cylindrical Body, Fiber, 2-1/2 in Dia x 8-5/8 in L Body