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NCB Non-metallic Circuit Breakers

Crouse-Hinds series NCB non-metallic circuit breakers are for use in conjunction with a variety of heating, lighting and power circuits to provide disconnect means and short circuit protection.


Certifications and compliances

  • NEMA 3, 4X, 12
  • CSA standard: C22.2 No. 94
  • UL standard: UL489

Design features

  • Enclosures are made of Krydon, high impact strength fiberglass-reinforced polyester material having excellent corrosion resistance and stability to heat
  • Unitized, strong and durable enclosure construction provides longer service life for equipment
  • Enclosure has hinged access door which opens 160° for easy wiring and maintenance; three screws for door frame are hidden behind access door
  • Access door may be padlocked to prevent unauthorized access

Standard materials

  • Enclosure – Krydon fiberglass-reinforced polyester
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