SIEMENS LOW VOLTAGE PLUG-ON NEUTRAL READY PRO SERIES ASSEMBLED LOAD CENTER. MAIN LUG WITH 12 1-INCH SPACES ALLOWING MAX 24 CIRCUITS. 1-PHASE 3-WIRE SYSTEM RATED 120/240V (125A) 100KAIC. SPECIAL FEATURES: COPPER BUS, GREY TRIM NEMA TYPE 3R ENCLOSURE FOR OUTDOOR USE.