SIEMENS LOW VOLTAGE PLUG-ON NEUTRAL READY STANDARD SERIES ASSEMBLED LOAD CENTER. MAIN BREAKER WITH 24 1-INCH SPACES ALLOWING MAX 48 CIRCUITS. 1-PHASE 3-WIRE SYSTEM RATED 120/240V (200A) 22KAIC. SPECIAL FEATURES: ALUMINUM BUS, GREY TRIM NEMA TYPE 1 ENCLOSURE FOR INDOOR USE.