Siemens Control Relay 2NO/2NC, 10 A, 48 V dc. Pole Configuration: 4P. Range: Sirius Innovation. Contact Voltage Rating: 690 V. Mounting Style: DIN Rail Mount, Snap On. Series: 3RH2. Terminal Type: Screw. Depth: 57.5mm. Minimum Operating Temperature: -25°C. Operating Temperature Range: -25 → +60 °C. Length: 45mm. Maximum Operating Temperature: +60°C. MPN: 3RH2122-1BW40