ALLEN BRADLEY 700S-CF310E SAFETY CONTROL RELAY SERIES A 700-CF310E*  PLUS  100S-F SERIES B

ADDED FREE BONUS - VARISTOR.

Varistors are used as control or compensation elements in circuits either to provide optimal operating conditions or to protect against excessive transient voltages. When used as protection devices, they shunt the current created by the excessive voltage away from sensitive components when triggered.

Can be used or removed, Use or take off.