CONTACTOR MECH. LATCH CONTACT BLOCK IEC. range: TeSys – product or component type: mechanical latch block – product compatibility: LC1D09…D38, LC1D40A…D65A, LC1DT20…DT40, LC1DT60A…DT80A, TeSys D control relays – [Uc] control circuit voltage: 24 V AC 50/60 Hz, 24 V DC.