Siemens Sirius Innovation 3RT2 3 Pole Contactor, 3NO, 80 A, 91 kW, 24 V ac Coil. Contact Voltage Rating: 690 V ac. Pole and Throw Configuration: 3PST. Terminal Type: Screw. Length: 55mm. Width: 130mm. Minimum Operating Temperature: -25°C. Depth: 113.4mm. MPN: 3RT2037-1AC20