Siemens AG S3040C1200 Convertible Load Center

The Siemens S3040C1200 Convertible Load Center is a 200A, 120/240V, 1‑phase, 3‑wire indoor distribution panel with a factory‑installed main breaker and space for up to 40 circuits. It offers 30 full‑size 1‑in. spaces, a copper bus, and a convertible main design that lets you configure it as a main‑breaker panel or as a main‑lug panel to suit your installation. With a 22 kA short‑circuit interrupt rating, it comes in a NEMA 1 indoor enclosure and features a gray trim for finished indoor applications. Dimensions are approximately 36 inches high, 14.5 inches wide, and 4.25 inches deep. This model is part of Siemens’ PL/ES low‑voltage load center family, designed specifically for indoor residential or light commercial use where a compact, factory‑installed main service is desired.