Siemens Sirius Innovation 3RT2 3 Pole Contactor, 3NO, 9 A, 4 kW (AC3), 48 V ac Coil. Contact Voltage Rating: 690 V. Pole and Throw Configuration: 3PST. Number Of Auxiliary Contacts: 1. Terminal Type: Screw. Length: 45mm. Width: 73mm. Maximum Operating Temperature: +60°C. Minimum Operating Temperature: -25°C. MPN: 3RT2016-1AH02