The 1X10 is comprised of an electromechanical voltage operated relay which is wired across the circuit being monitored. The relay may be orderedto operate in sone of four (4) different application modes as described in the Technical Bulletin.

The relay is designed for flush mounting utilizing asingle 25mm diameter mounting holewhich also houses the large LED indicator. Electrical termination is made via four screw terminals on the rear of the case. This terminal block is of a plug in type with integrated retention screws further simplifying installation.