Square D BDA34045Y PowerPact Thermal Magnetic Circuit Breaker

Square D BDA34045Y PowerPact B-Frame three-pole molded-case circuit breaker delivers 45 A of protection for 480Y/277 VAC systems, combining thermal and magnetic trip technology to interrupt faults quickly and safely. As part of Schneider Electric’s PowerPact B-Frame lineup, the BDA34045Y uses I-Line plug-in mounting for straightforward installation in compatible panels. It carries an 18 kA interrupt rating at 480Y/277 VAC, making it suitable for protecting feeders and motor circuits in commercial and light industrial 3-phase distribution. This unit is designed for 3-pole, 4-wire systems and is intended for use in PowerPacT installations requiring reliable thermal-magnetic protection.