Body, Cover and Hinged Door MaterialCopper-free aluminum
Number of Poles1 or 2
Main Lug Sizes1/0 or 4/0
D2PB Circuit Breaker Panelboards are designed specifically for use:
In Class I, Division 2, Groups C, D hazardous areas where flammable vapors or gases may be present due to accident or abnormal locations
In damp, wet or corrosive locations
Indoors or outdoors in Division 2 areas of petroleum refineries, chemical and petrochemical plants and other process industry facilities
FEATURES
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Enclosures are of external flange design – interior is completely accessible when cover is removed
Provided with concealed mounting – made possible by having four clearance holes for lag screws or mounting bolts in the back of the enclosure, one in each corner
The interior sub-assembly, consisting of a mounting plate, main terminal blocks and circuit breakers, is removable as a complete unit
Ample gutter space is provided for ease of field wiring
Circuit breakers are contained in compact, individual factory sealed enclosures suitable for Class I, Division 2, Groups C, D hazardous areas
Gasketed main cover, which excludes dirt and moisture, is attached to the body with hex head bolts and is removed only when installing the panelboard or making wiring changes; in the center of the main cover is a gasketed hinged door, which provides access only to the circuit breaker operating handles, and is held closed by two quick release catches; the door can be locked by as many as three padlocks to prevent unauthorized operation
Tapped conduit openings are provided for main conduit and branch circuits; standard openings can be reduced or plugged to meet most installation requirements
Circuit breakers are arranged in two vertical rows and have the circuit numbers marked on the handles; the left row is numbered 1, 3, 5, 7, etc. and the right row 2, 4, 6, 8, etc.; identifying information may be typed on the circuit directory card attached to the inside of the hinged door
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