LA1-D series auxiliary contact blocks are installed on the top of CA2-D control relay LC1-K orLC1-D AC contactor respectively for expanding the couples of auxiliary contacts points. Owingto adopting the contacting functions of sliding frictions, the time can be self-cleaning & ensurethe electric circuit to be reliable.
LA2-D delay timer is applicable to be LC1-D AC contactor & LA1-DN Auxiliary contact block into LC3-D star-delta reduced voltage starter is to start motor.