The Siemens MC3042B1400FD is a low voltage meter load center combination designed for reliable electrical distribution. This unit features a factory-installed main breaker and offers a spacious interior with 30 one-inch spaces, supporting up to 42 circuits. It includes a 4-jaw meter suitable for a single-phase system, with a rating of 400A. Additional design highlights include an underground feed option, a ring-type cover, and a flush mounting setup for a clean, efficient installation. This product is available through BSP Automation, providing a trusted solution for your electrical system needs.