Siemens Sirius Innovation 3RT2 3 Pole Contactor, NO/NC, 50 A, 48 kW, 230 V ac Coil. Contact Voltage Rating: 690 V. Pole and Throw Configuration: 3PST. Mounting Style: DIN Rail Mount. Terminal Type: Screw. Width: 85mm. Length: 45mm. Maximum Operating Temperature: +60°C. MPN: 3RT2027-1AL20