Appleton™ PRE Series 125 Amp Plugs and Sockets

PRE Series 125 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 color coded per IEC directives. The sockets are available in wall-mount, flush-mount and mobile versions.


  • Positive polarization: only ATX plugs of same style, number of poles and ampere rating may be used with these sockets
  • Interlocked 3-pole or 4-pole Ex de disconnecting on-load switch, with auxiliary early break contact (capacity 2.5 mm²/0.004 in² max)
  • Plug is mechanically locked in socket when switch is ON
  • Switch operating handle can be padlocked in OFF position (max 4 padlocks )
  • Plug cannot be inserted or removed unless switch is in OFF position
  • Operating temperature of -30 °C to +55 °C (-22 °F to +131 °F)


Area Classification
Zone 1 and 2 – 21 and 22; Ex II 2 GD; IP66; IK10
Operating Temperature
-30 °C to +55 °C (-22 °F to +131 °F)
380/415 Vac, 480/500 Vac, 440/460 Vac or 600/690 Vac
Number of Poles
Number of Wires
4, 5
50/60 or 60 Hz
Materials and Finishes
Wall Socket is 316L stainless steel. Polyamide plug.
Glodok Exproof Product