Siemens Contactor Relay 4NO, 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. Length: 45mm. Width: 73mm. Depth: 69.5mm. MPN: 3RH2140-2AF00