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Circuit Breakers

Masterpact® Circuit Breaker in
Model 6 Motor Control Centers

The Masterpact Circuit Breaker in Model 6 Motor Control Centers (MCCs) provides unique and exclusive features by combining the space saving, flexible Model 6 MCC platform with the feature-rich Masterpact NT and NW draw-out circuit breakers.

To best meet the needs of the global market, the Masterpact Circuit Breaker features a standard depth motor control center structure, which eliminates both extra depth enclosures and associative transitional units.

The compartmentalized design of the Model 6 MCC provides a greater level of protection by preventing inadvertent access as incoming (line) connection, circuit breaker, bus (load) connections and horizontal bus are isolated from each other. The barriers between compartments also reduce the potential of objects (tools) falling onto the bus.

Full-Featured Performance

• NEC, NEMA and UL standards adherence
• Masterpact Circuit Breakers are listed to UL 489
• Masterpact in Model 6 MCCs meets UL 845 specifications
• Front and rear motor control center alignment
• Rated for all AC voltage systems
• High short-time withstand bus bracing rating up to 100kA
• Front accessible compartments (includes line connections)
• Compact footprint allowing full utilization of floor space
• Easy access to control and communication points
• Clearly visible circuit breaker settings and displays
• Field-installable accessories
• Optional arc flash versions are tested to the arc flash hazard risk category as referenced by NFPA 70E
• Available as Transparent Ready® Web-Enabled Equipment