LC1SK0600B7 2 Pole Contactor, 6 A, 24 V ac Coil, TeSys SK, 2NO. TeSys K Miniature Contactors from Schneider Electric combine long mechanical and electrical life to offer a high reliable contactor. The TeSys SK contactors offer quick simple setup while maintaining compliance with international standards. A special armature structure design allows all devices in the range to have the same physical size and panel footprint for convenience.