The Cutler Hammer Surge Protector Becomes Part Of The Eaton Lineup

About Cutler Hammer Surge Protection Now part of the Eaton Corporation, Cutler Hammer started out as its own entity in 1892 under the name Chicago Electric & Manufacturing Co. With Harry Henderson Cutler and Edward West Hammer at the helm, they incorporated the business in 1893 under the name Cutler-Hammer Manufacturing Co. and quickly took […]

What Is A Varistor?

A portmanteau of variable resistor, the varistor is the active semiconductor in many surge protection devices that stops power surges. It is a voltage dependent resistor (VDR), meaning it operates in a non-conducive (or standby) mode until a higher than normal flow of electricity passes through it. The higher the voltage entering the varistor the […]