Siemens Contactor Relay 2NO/2NC, 10 A, 37 (Closing Power) VA, 5.7 (Holding Power) VA, 110 V ac. Pole Configuration: 4P. Range: Sirius Innovation. Contact Voltage Rating: 600 V dc, 690 V ac. Mounting Style: DIN Rail Mount. Series: 3RH2. Terminal Type: Spring Load. Depth: 69.5mm. Minimum Operating Temperature: -25°C. Operating Temperature Range: -25 → +60 °C. MPN: 3RH2122-2AF00