Schneider Electric SD75416 Three Phase Circuit Breaker

SD75416 is a Schneider Electric Square D three-pole bus plug-in circuit breaker rated for 100 A at 600 V, designed for use in SD Round Bar busway systems. This 3P, 4W unit is a plug-in bus-breaker assembly supplied complete with an FAP frame circuit breaker and is compatible with both aluminum and copper SD Round Bar busways. It carries a 30 kA short-circuit interruption rating at 480 V, making it suitable for protecting feeders and branch circuits within Schneider Electric busway infrastructure. The unit is engineered for 3-phase, 4-wire configurations and is intended specifically for SD Round Bar busway installations, enabling quick insertion and replacement in power-distribution layouts. As part of the Square D bus plug family, the SD75416 integrates with other SD-series bus components and supports standardized mounting within Schneider Electric's busway ecosystem. Common in industrial power-distribution environments that deploy Schneider Electric's SD Round Bar busway systems.