Siemens Contactor Relay 3NO/NC, 10 A, 37 (Closing Power) VA, 5.7 (Holding Power) VA, 400 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: Screw. Length: 45mm. Width: 73mm. Depth: 57.5mm. MPN: 3RH2131-1AV00