Siemens Contactor Relay 2NO/2NC, 10 A, 2.8 W, 24 V dc. 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. Maximum Operating Temperature: +60°C. MPN: 3RH2122-1SB40