LC1-K0910 Tesys schneider contactor 

LC1 Series AC Contactors is suitable for using in the circuits up to
the rated voltage 660V AC 50Hz or 60Hz,rated current up to 620A, for making,
breaking, frequently starting&controlling the AC motor.Combined with the auxiliary
contact block,time & machine-interlocking device etc,it because the delay contactor,m
echanical interlocking contactor,star-delta starter.
With the thermal relay,t is combined into the electromagnetic starter