Siemens Sirius Innovation 3RT2 4 Pole Contactor, 2NO/2NC, 12 A, 5.5 kW (AC3), 110 V ac Coil. Contact Voltage Rating: 690 V. Pole and Throw Configuration: 4PST. Terminal Type: Screw. Width: 73mm. Length: 45mm. Maximum Operating Temperature: +60°C. Depth: 57.5mm. Minimum Operating Temperature: -25°C. MPN: 3RT2517-1AF00