The Magnalight MGS-15KVA-120-240-30AFT 15 KVA Power Substation gives operators the ability to convert 480 VAC single- or three-phase electrical current to single-phase 120 V AC and 240 V AC. This power substation uses a 15 KVA transformer to create a safe connection to a 480 V AC power sources and reduce it to useable voltages. It includes provisions for feed through power distribution, allowing users to connect equipment substations. Larson Electronics LLC. 800-369-6671.