Cooper Bussmann BP/FRN-R-40ID Fusetron Dual Element Indicating Fuse, 40A, 2-Pack BackToSchool block (C-90) and brick is

block (C-90) and brick is based on 4:1 safety factor using an average of ultimate tension and shear loads

Replaceable cover plates and vials

Color: clear

The 25K is perfect temporary heat for smaller jobs

rocker arm adjustment nuts

Cooper Bussmann BP/FRN-R-40ID Fusetron Dual Element Indicating Fuse, 40A, 2-Pack BackToSchool block (C-90) and brick isProvides motor overload, ground fault and short circuit protection. Helps protect motors against burnout from single phasing on three phase systems. Simplifies and improves blackout prevention (selective coordination). Dual element fuses can be applied in circuits subject to temporary motor overloads and surge currents to provide both high performance short circuit and overload protection. The overload element provides protection against low level