Siemens Sirius Innovation 3RT2 3 Pole Contactor, 3NO, 50 A, 22 kW (AC3), 24 V ac/dc Coil. Contact Voltage Rating: 400 V. Pole and Throw Configuration: 3PST-NO. Terminal Type: Screw. Length: 55mm. Width: 113.4mm. Maximum Operating Temperature: +60°C. Minimum Operating Temperature: -25°C. MPN: 3RT2036-1NB30