The DIN-Rail Mains Switching Input/Output Unit provides a mains-rated voltage-free, single pole change-over relay output and a monitored switch input. The unit supervises one or more normally-open switches connected to a single pair of cables.

• It can report fault, switch open and switch closed levels
• Three visable LEDs
• Capable of switching up to 8A at 250V AC
• Fits a standard 35mm DIN-Rail