The Apollo Marine DIN-Rail Input/Output Unit (55000-774MAR) provides a voltage-free, single pole, changeover relay output, a single, monitored switch input and an unmonitored, non-polarised opto-coupled input.
Features
It can report fault, switch open and switch closed levels
3 visible LEDs
Capable of switching up to 8A at 250V AC
Fits a standard 35mm DIN-Rail.