Eaton 1-Pole Supplementary protector offers high inrush currents with C curve characteristics designed for inductive loads. It features current limiting design that provides fast short-circuit interruption by reducing let-through energy with current rating of 4 Amps. Device has snap-on accessories installed on miniature DIN rail. It offers trip-free mechanism by holding the actuator type handle in on position with contact indicator. Device is ideal for supplementary protection circuits control