Siemens Multi Function Multi Function Timer Relay, Screw, 0.05 s → 100 h, DPDT, 2 Contacts, DP4T. Supply Voltage: 400 → 440 V ac. Mounting Type: DIN Rail. Series: 3RP25. Time Increment: Hours, Minutes, Seconds. Power Supply: External. Current Maximum: 3 A. Minimum Voltage: 400 V ac. Maximum Voltage: 440 V ac. Depth: 100mm. MPN: 3RP2505-1BT20