Knowledge Search
Download document () of 20
Circuit breakers

EFD and EFDC Explosionproof Circuit Breakers

EFD and EFDC explosionproof circuit breakers from Eaton's Crouse-Hinds Division are used for branch circuit protection of lighting, equipment and motor circuits in hazardous areas.  They provide a disconnect means, short circuit protection and thermal time delay overload protection.

Certifications and compliances

NEC

  • Class I, Divisions 1 & 2, Groups B*, C, D
  • Class II, Division 1, Groups E, F, G
  • Class II, Division 2, Groups F, G
  • Class III

Environmental ratings

  • NEMA 3, 7B*CD, 9EFG, 12

*Seals must be installed within 1-1/2" of each conduit opening for Group B use.

Design features

  • Small, compact enclosures with accurately ground, wide flange on both body and cover for flametight joint
  • Dead end (EFD) or through feed (EFDC) hubs 3/4" to 1" sizes
  • Breaker mounted on cover and back wired for ease of installation
  • Breaker can be padlocked in ON or OFF positions with trip-free handle mechanism

Standard materials

  • Bodies and covers – Feraloy iron alloy
  • Operating handles – type 6/6 nylon
  • Operating shafts – stainless steel
Specifications
Highlight differences
Show only differences
Hide blank features
Download Links