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Circuit Breakers & Enclosures
Application
Explosionproof circuit breakers are used where hazardous materials are handled or stored. These units are used for overload and short circuit protection, control of lighting and power circuits.
Features
- Sand cast copper-free aluminum.
- Precision machined flame path between box and cover.
- Bolt on stainless steel slotted mounting feet.
- Dual 3 and 4 point mounting standard on CEAB and CEBB.
- Stainless steel hinges are standard.
- Stainless steel, captive Quad-Lead cover bolts are standard (disengaged in 1-1/2 turns).
- Ground lug package and installation instructions for termination of ground
wire enclosed.
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- External operating handle with stops for limiting handle travel.
- External stainless steel breaker operating handle on 400AF & above.
- Breaker and operator shafts are stainless steel.
- Breaker operators can be locked in the “On” or “Off” position (up to 3 padlocks).
- External flange maximizes internal space.
- Standard outlets top and bottom for line and load wiring.
- Plugged 1/2” outlets top and bottom for breather and drain.
- Breakers mounted on a galvanized steel removable pan.
- Enclosures are designed to accept Cutler-Hammer, GE or Square D circuit breakers (40oC standard).
- O-Ring gasket insures watertight integrity.
Standard Materials
- Bodies and covers: copper-free aluminum.
- Cover bolts: stainless steel.
- O-Ring: Neoprene
- Hinges: Stainless Steel
Finishes
- Bodies and covers: Corrosion resistant grey epoxy powder coat inside and outside standard to provide NEMA 4X.
Compliances
- Class I, Div. 1 & 2 Groups B, C & D
- Class II, Div. 1 & 2 Groups E, F & G
- Class III NEMA 4, 7BCD & 9EFG
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UL Listed
Standard 886 and 1604
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CSA Certified
Standard C22.2, No. 30 |
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