Direct-On-Line Motor Starter - The Contactor in MB 11 Starter is capable for continuous giving as 5 million switching operation and 10 million mechanical operations. its contacts are made from silver cadmium oxide. No volt coil of contactor is trivialized and subject to rigorous test for continuous, pick up and Drop off. it also available. Each contactor can be fitted with two auxiliary contact block of 1 no + 1nc each for indicating Lamp, Sequence interlock and other pilot circuits.