Molded Case Circuit Breakers (B Frame)
Square D by Schneider Electric’s PowerPact Multistandard circuit breakers are equipped with dual-break rotating contacts that reduce the amount of peak current during a short-circuit fault. They feature an over-center toggle mechanism providing quick-make, quick-break operation. Internal cross-bars provide common opening and closing of all poles with a single handle. The circuit breaker handle can assume any of three positions, ON, tripped or OFF. The center tripped position provides positive visual indication that the circuit breaker has tripped.
PowerPact B-frame circuit breakers are designed to protect electrical systems from damage caused by short-circuits and overloads. They are equipped with thermal-magnetic trip units containing individual thermal (overload) and instantaneous (short-circuit) sensing elements in each pole. They are available with three levels of breaking capacity: 18, 35, and 65 kA at 480 volts and in 1, 2, 3 and 4 pole constructions. Back-pan/plate and DIN-rail mount are available with a wide range of different operating handles and accessories. PowerPact B circuit breakers are used in industrial control panels and in electrical distribution for building applications. They can be used as feeder or incomer and are compliant with worldwide standards for short-circuit and overload protection.
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