LA1-D series Auxiliary contact blocks are installed at the top of GCA2-D control relay or LC1-D AC contactor for expanding the couples of auxiliary contacts points.owing to adopting the contacting functions of sliding friction,the item can be selfcleaning & ensure the electric circuit to be reliable.

LA2-D time delay auxiliary contact blocks are conbined with LC1-D AC contact & LA1-D Auxiliary contact block into LC3-D star delta reduced voltage starter to start motor.