SOLID STATE RELAYS - SSRS 2-POLE DIN-RAIL MOUNT SSR, ZERO-CROSS SWITCHING, OPERATING VOLTAGE (UE): 42 - 660 VAC (1200 VP), RATED CURRENT (IE): 75 AAC, CONTROL VOLTAGE (UC): 5 - 32 VDC, EXTERNAL SUPPLY: 24 VDC/VAC, BUILT-IN OVERVOLTAGE, OVER-TEMPERATURE PROTECTION