PowerMark Gold 150 Amp 16-Space 32-Circuit Outdoor Main Breaker Circuit Breaker PanelThe load center includes a sturdy tin plated copper buss bar and a galvanized box for increased durability and reliability. The one piece interior removes and re installs easily. Outdoor NEMA 3R enclosure. This load center is UL listed and ANSI Certified. For use as a main breaker load center Suitable for use as service entrance equipment when installed in accordance with the NEC NEMA 3R rated enclosure for outdoor use Copper buss for excellent