TeSys Deca mechanical latch block, for contactors LC1D40-D65(4P AC) and LP1D40-65(4P DC). Electrical latching and unlatching is performed applying a 24V control voltage pulse. Unlatching can be manually operated. Clip-on mounting on front of contactor, connection by screw terminals. Multi standards certified (IEC, UL, CSA), Green Premium compliant (RoHS/REACh).