one used Blakley Protected Socket for Aircraft Hangars 240v PEMs and RCD Trip S190063
Blakley 230V / 400V 50 Hz Hangar Supply Units are designed for wall
mounting and incorporate the following features:
• IP55 Heavy Duty Steel or Insulated Enclosure
• Angled Socket Plate
• Top and Bottom Cable Entry
• 30 mA RCD Protection, Type AC
• External ON / OFF Push Button
• On Lamp
• Diode Reversal Switch
• Pilot Core Protection Selection Switch
• PEMs and RCD Trip Indication
• Test Buttons