Siemens Sirius 1 Pole Contactor Relay, CO, 3 A. Contact Voltage Rating: 250 V ac/dc. Pole and Throw Configuration: SPDT. Mounting Style: DIN Rail. Terminal Type: Screw. Width: 67mm. Length: 17.5mm. Depth: 90.5mm. Maximum Operating Temperature: +55°C. Minimum Operating Temperature: -25°C. MPN: 7PV1511-1AP30