Siemens 3RT2016-1KB41 Power contactor, AC-3e/AC-3, 9 A, 4 kW / 400 V, 3-pole, 24 V DC, 0.7-1.25* Uc, with integrated suppressor diode, auxiliary contacts: 1 NO, screw terminal, frame size: S00, suitable for PLC outputs, no auxiliary switch can be added