TeSys Deca mechanical latch block, for contactors LC1D80…D150 (3P AC/DC), LC1D80 (4P AC), and LC1D80 and D115 (4P AC/DC).Electrical latching and unlatching is performed applying a 110-127V 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).Multi standards certified (IEC, UL, CSA), Green Premium compliant (RoHS/REACh).