Siemens Coupling Contactor Relay 2NO/2NC, 10 A, 1.6 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: Spring Load. Maximum Operating Temperature: +60°C. Operating Temperature Range: -25 → +60 °C. Length: 45mm. MPN: 3RH2122-2VB40