Lockable AC power cord plug, coded and color coded (blue) for power-in, screw terminal mounting, for cable diameters 10 - 16 mm. The powerCON FXXA/FXXB is a single-phase (3-wire) lockable power plug with Circuit Breaking Capability when combined with powerCON XX series power sockets. It replaces device connectors wherever a very robust solution is required in combination with a locking device to ensure a secure power connection.