This value kit includes 3 20 Amp Single-Pole THQP 1/2 in. Circuit Breakers. The load center includes a sturdy tin-plated copper buss bar and a galvanized box for increased durability and reliability. The 1-piece interior removes and re-installs easily. Indoor NEMA 1 enclosure with combination surface/flush front. This load center is UL listed and ANSI Certified. Indoor NEMA 1 Enclosure (surface) Main Lugs are Factory Installed; convertible to Main Breaker Use with Equipment Ground Kit TGL2 (order separately) Use as a main lug load center or convert to a main breaker Galvanized box for rust resistance with a self-adjusting dead-front cover Copper buss for increased conduction Full-length neutral bars for faster and easier wiring 100% split neutral holes on each side are rated for #14-4 wire Single-phase, 3-wire, 120/240 VAC, 22,000 AIC rating