This Siemens 125A Main Lug Load Center comes factory-equipped with a 50A GFCI circuit breaker, making it a ready-to-install solution for hot tub and swim spa electrical hookups. Rated for outdoor use (Type 3R enclosure) and built for 120/240V single-phase, 3-wire systems, it includes a cover plate and factory-installed ground bar for a complete, code-ready setup.