Siemens Overload Relay 3NO/NC, 10 A, 48 V dc. Pole Configuration: 4P. Range: Sirius Innovation. Contact Voltage Rating: 690 V ac. Mounting Style: DIN Rail Mount. Series: 3RH2. Terminal Type: Screw. Length: 45mm. Width: 73mm. Depth: 57.5mm. Minimum Operating Temperature: -25°C. Operating Temperature Range: -25 → +60 °C. MPN: 3RH2131-1BW40