... and used toprevent small capacity motor and circuit from overload and short circuit and also used as direct ... starter forstarting the motor and a switch for changeover the circuit under normal conditions.Motor protection circuit breaker series: MPCB, motor protecting circuit breaker, circuit breaker, breaker, 3VE1, 3VE3, 3VE4 ... 548×26×29 3.Product photo Motor Protective Circuit Breaker MPCB 3VE1 DZ108