Arktite FSQC Explosion-proof Interlocked Receptacles
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Arktite FSQC Explosion-proof Interlocked Receptacles

Eaton's Crouse-Hinds series hazardous area interlocked receptacles prevent engagement and disengagement of the plug under load, providing safe portable power connections and extended product life.

Arktite FSQC explosion-proof interlock receptacles are used to supply power to portable electrical equipment such as hand lamps, lighting systems, power tools, conveyors and welders in areas which are hazardous due to the presence of flammable vapors or gases and combustible dusts.  Typical applications include petroleum refineries, chemical and petrochemical plants, and facilities for processing and handling grain, flour and starch.

Compatible with Arktite APJ and NPJ plugs, the FSQC switch cannot be turned on until the plug is fully inserted and rotated.  Once turned on, the plug cannot be withdrawn under load and the cover cannot be removed.

Certifications and compliances

30A and 60A:

  • Class I, Divisions 1 & 2, Groups B, C, D
  • Class I, Zone 1, Group IIB + H2
  • Class II, Divisions 1 & 2, Groups F, G
  • Class III
  • ANSI/UL standard: UL1010
  • CSA standards: C22.2 Nos. 30, 159
  • NEMA 3, 7BCD, 9FG, 12

100A:

  • Class I, Divisions 1 & 2, Groups B, C, D
  • Class I, Zone 1, Group IIB + H2
  • Class II, Divisions 1 & 2, Groups F, G
  • Class III
  • ANSI/UL standards: UL1010, UL98
  • cUL Listed, CSA standard C22.2 No. 30, C22.2 No. 159
  • NEMA 3, 3R, 4, 4X*, 7BCD, 12

*NEMA 4X when ordered with suffix S752.

Design features

30A and 60A features:

  • Compatible with Arktite APJ aluminium and NPJ Krydon plugs
  • Switch cannot be turned "ON" until plug is fully inserted and rotated
  • Plug cannot be withdrawn under load
  • Cover cannot be removed when switch is "ON"
  • Satisfies OSHA lockout/tagout requirement
  • Smallest mounting footprint for interlocks

Additional 100A features:

  • NEMA Type 4 watertight
  • Suitable for Group B
  • HP rated enclosed switch
  • Four mounting feet can be rotated for flexibility in positioning to surface
  • Wiring channel provided under switch for easy wire routing to terminals
  • Dual bottom feed hubs and one top hub for convenient through feed installation
  • Break loose fork lugs case in place for easy removal of cover

Standard materials

  • Enclosure – copper-free aluminium
  • Cover and spring door – copper-free aluminium
  • Insulator – Krydon fibreglass-reinforced polyester
  • Contacts – brass
  • Locking collar – Feraloy iron alloy (100A only)

Drawings and design support