Product Description:
The Siemens S4242B3150 is a Circuit Breaker Load Center from the ES Series, designed for efficient indoor use. This 150 Amp, 42-space, 3-phase main breaker features an aluminum bus and gray trim, compatible with NEMA Type 1 enclosures. It supports quick installation with Siemens' patented Insta-wire technology, ideal for residential and commercial applications.
