EIB Series Explosionproof Compact Circuit Breakers


EIB Circuit Breakers are an innovative line of explosionproof motor control which utilizes the EJB Style D enclosure with its 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 circuit breaker protection and utilizes Cutler-Hammer circuit breakers (15-100A).

Circuit Breaker Rating 15; 20; 25; 30; 35; 40; 45; 50; 60; 70; 80; 90; 100A
Voltages 240; 480; 600V
Number of Poles 3
Weights EIBA - 39 lbs.; EIBB - 58 lbs.
Body and Cover Material Copper-free aluminum
Gasket Material Neoprene
Cover Bolt Material Steel
Hinge Material Stainless steel


  • 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 (hose-tight) 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
  • (2) 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