Locking AC mains cable connector, keyed and color coded (blue) for power-in, screw terminal assembly, for cable diameters 10 - 16 mm. 

The powerCON FXXA/FXXB is a single phase (3 conductor) lockable power connector with Circuit Breaking Capability when mated with powerCON XX Series receptacles. 

It replaces appliance couplers wherever a very rugged solution in combination with a locking device is needed to guarantee a safe power connection.