EBMB Explosionproof Circuit Breakers

Certifications and compliances

NEC and CEC

• 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

• UL1203 – Hazardous (Classified) Locations
• UL2062 – High AIC Rating (Interrupting Capacity) for Groups C, D
  • 240V 65,000 RMS Symm. Amperes
  • 480V 50,000 RMS Symm. Amperes
  • 600V 25,000 RMS Symm. Amperes

• C22.2 No. 30

Environmental ratings

• NEMA 3, 3R, 4*, 4X†, 7BCD, 9EFG, 12

*Enclosure not suitable for NEMA 4 or 4X with cover mounted operators.

†With S752 or S753 option.

• Rugged, corrosion-resistant, cast copper-free aluminum construction (less than 0.4 of 1%)
• Circuit breaker operating handle located through the right side wall of the body permits visual confirmation of correct component assembly and operation
• Total compliance to the wiring end room requirements of the National Electrical Code
• Semi-clamshell enclosure design, with an external flanged ground joint between body and cover, makes interior components more accessible
• Minimum enclosure-to-enclosure spacing with little interference between the opened cover and an adjacent enclosure
• Copper-free aluminum hinges allow the cover to swing well out of the way
• Stainless steel, quick release, captive, hex head cover bolts
• Stainless steel springs provide clear indication cover bolts are fully retracted from body
• Versatile, internal operating mechanisms allow for field adjustment to accommodate popular manufacturers' breakers
• Simple, straightforward installation of breaker on pre-drilled mounting plate within enclosure; mounting plate also field removable
• Circuit breaker external operating handle can be padlocked in either ON or OFF positions
• Neoprene cover gasket permanently attached to the cover seals out moisture
• Bodies have top and bottom drilled and tapped entrances for power conduits and control conduits; removable reducers are supplied, as standard, to accommodate smaller size conduits; all conduit entrances are plugged
• Tap-on mounting feet
• Optional EMPS control devices may be added to enclosure cover
• Steel bracket for lifting larger enclosures during installation supplied as standard

• Body and cover – copper-free aluminum
• Operating handle – copper-free aluminum
• Operating shaft and bushing – stainless steel
• Interior parts – sheet steel, electrogalvanized
• Cover bolts, washers and retractile springs – stainless steel