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EIB Explosionproof Compact Circuit Breakers

Crouse-Hinds series EIB circuit breakers are an innovative line of explosionproof motor control which utilizes our compact EJB Style D enclosure.  Featuring bolted construction, NEMA 4 environmental protection and Class I, Division 1, Groups B, C, D hazardous area ratings, the EIB is a cost-effective solution for 15-100A circuit breaker protection.

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Certifications and compliances

  • Class I, Divisions 1 & 2, Groups B, C, D
  • Class I, Zones 1 & 2
  • Class II, Division 1, Groups E, F, G
  • Class III
  • Enclosure Type 3, 3R, 4, 7BCD, 9EFG
  • NEMA 3, 3R, 4, 7BCD, 9EFG
  • UL standard: UL1203
  • cUL to CSA C22.2 No. 30

Design features

  • Small, compact footprint requires less mounting space and reduces enclosure cost
  • Rotary handle operator mounted on cover assembly provides clear indication of ON, OFF and TRIP positions
  • No internal fork operator, eliminating potential damage to breaker toggle
  • Trip position easily identified from a distance
  • Neoprene cover gasket provides UL Type 4 (hosetight) environmental rating
  • Detachable mounting feet offer flexible mounting alternatives – no need to replace the entire enclosure if a mounting foot is broken
  • Stainless steel hinges provide extreme durability and easy access to inside of enclosure for wiring and maintenance
  • Two 1-1/2" NPT conduit entries, one on top and one on bottom, for easy top or bottom feed of conductors; for field addition of breather and/or drain, holes come plugged
  • Provides lockout/tagout capability which complies with OSHA requirements, allowing for locking in the ON or OFF position for standard maintenance checks

Standard materials

  • Body and cover – copper-free aluminum
  • Gasket – neoprene
  • Cover bolts – steel
  • Hinges – stainless steel
  • Mounting plate sheet – aluminum
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