Siemens AG P4040B1200 Main Breaker Load Center

The Siemens P4040B1200 is a 200-amp, 40-space main-breaker load center designed for indoor use in residential or light commercial service, delivering 120/240-volt single-phase power. This PL-series panel comes with a factory-installed main breaker and provides space for up to 40 circuits, accommodating 40 one-inch spaces for Siemens breakers. The enclosure is NEMA 1 and intended for indoor installation, offering reliable service distribution in a compact, centralized panel. Compatible with Siemens P, QT, QPF, QE, QN, and QAF2/QAF2C branch breakers, the panel carries a 22 kA short-circuit current rating for added protection at the service point.