Design Engineering

Molded case circuit breakers

Molded case circuit breakers from Schneider Electric include the Square D Powerpact 150A H-frame and 250A J-frame units. The circuit breakers feature common mounting points and handle locations.

August 11, 2005   Staff

Both frames use many types of actuation, including cable-operated
handles, rotary handles and electrical motor operators. Changing
terminations from bus bar to lug applications can be done with a unique
snap-in design.

Many field installable accessories are available, including auxiliary
switches, alarm contacts and shunt trips. Both circuit breakers are
equipped with a thermal magnetic trip system that may be field
installed. Certifications include UL, IEC, CSA and NOM standards.

The circuit breakers are available either as unit mount breakers or
fully integrated into Square D Ready-to-Assemble and Factory-Assembled
power distribution equipment.


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