TeSys Deca mechanical latch block, for contactors LC1D80-D150 (3P/4P) and LP1D40-80 (4P). Electrical latching and unlatching is performed applying a 220-240V control voltage pulse (> 100ms in AC, 250ms in DC). Unlatching can be manually operated. Clip-on mounting on front of contactor, connection by screw terminals. For applications with high operating rates until 1200 cycles/hour. Multi standards certified (IEC, UL, CSA), Green Premium compliant (RoHS/REACh).