Arktite® NBR Series Non-metallic Interlocked Receptacles with Enclosed Circuit Breakers

Arktite® NBR Interlocked Receptacles with Enclosed Circuit Breakers are used:

  • To supply power and provide short circuit protection, thermal overload protection, and a disconnect means for portable electrical equipment such as motor generator sets, compressors, and conveyors
  • In locations where corrosion is present such as offshore and marine locations, pulp and paper mills, and chemical plants
Amperages 30; 60; 100A
Styles Style 1 or Style 2
Configurations Style 1: 3W 3P; Style 2: 3W 4P
Hub Sizes 3/4"; 1 1/4"; 2"
Receptacle Housing Material Copper-free aluminum
Enclosure, Cover, and Operating Handle Material Krydon® fiberglass-reinforced polyester
Operating Shaft Material Stainless steel
Crimp/solder Contact Material Leaded red brass


  • Enclosures are made of Krydon® high impact strength fiberglass-reinforced polyester material having excellent resistance to corrosion and heat
  • Receptacles are mechanically interlocked with circuit breakers which provide a disconnect means, short circuit protection, and thermal time delay overload protection
  • For maximum safety, the spring door receptacle at the bottom is mechanically interlocked with the circuit breaker operating mechanism; the circuit breaker cannot be closed until the plug is fully inserted and the plug cannot be withdrawn unless the breaker is open
  • Enclosure has hinged access door for easy wiring and maintenance; three screws, hidden behind access door in door frame, prevent disassembly when door is locked
  • Enclosure access door is mechanically interlocked with operating handle and cannot be opened unless operating handle operator is in "OFF" position
  • Receptacle has self-closing spring door assembly to provide environmental protection
  • Operating handle can be padlocked in "OFF" position; breaker is trip-free of handle and will open under short circuit or overload when handle is in the "ON" position
  • Provided with top and bottom mounting feet which may be rotated 90° to vertical or horizontal mounting positions