SIEMENS LOW VOLTAGE PL SERIES LOAD CENTER. MAIN LUG WITH 12 1-INCH SPACES ALLOWING MAX 24 CIRCUITS. 1-PHASE 3-WIRE SYSTEM RATED 120/240V (225A) 100KA INTERRUPT. SPECIAL FEATURES: COPPER BUS, INTERCHANGEABLE MAIN, GRAY TRIM, NEMA TYPE3R ENCLOSURE FOR OUTDOOR USE.