Emerson Appleton, PRE IP66 Blue Cable Mount 2P + E Industrial Power Socket, Rated At 16A, 20-25Vac 50/60Hz

PRE Series 16 Amp Plugs and Sockets use a pin and sleeve design to deliver safe power to stationary and portable equipment such as lighting systems, conveyors, heating and air conditioning equipment, compressors, pumps or motor generators. Suitable for use in damp, wet or corrosive environments, PRE plugs and sockets are keyed and colour coded per IEC directives.

Plug and socket system is designed with a safe disconnect mechanism to insure maximum hazardous location protection
The contact separation is in a flameproof chamber
Short circuit protection is 20 kA, while normal reference is 10 kA
Different voltages are colour coded for easy identification
The receptacles are keyed to accept only ATX plugs (other plugs cannot be inserted)