Square D BDA34100Y PowerPacT 3Phase Circuit Breaker

Square D PowerPacT BDA34100Y is a three-pole PowerPacT B‑Frame molded‑case circuit breaker rated for 100 A in 480Y/277 VAC systems, featuring I‑Line line/load connections designed for straightforward integration with Schneider Electric distribution gear. It delivers an 18 kAIC interrupting capacity at 480 VAC and uses a thermal‑magnetic trip mechanism to provide reliable overcurrent protection for feeders and three‑phase loads in commercial and light‑industrial installations. The BDA prefix identifies this unit as part of the PowerPact B‑Frame family, while the suffix Y denotes compatibility with 480Y/277 VAC I‑Line configurations as defined by Schneider Electric. This combination of current rating, voltage compatibility, and interrupting capability makes the BDA34100Y a robust choice for protecting 3‑phase circuits where dependable fault interruption is required in 480Y/277 VAC environments.