Control Transformers: Type - Industrial Control Transformer; Enclosure Construction Style - Open; Volts, Primary - 240/480/600, 230/460/575, 220/440/550V; Volts, Secondary - 120/100, 115/95, 110/90V; VA Rating - 350 VA; Frequency Rating - 50/60 Hz; Insulation Class - 130 deg C; Temperature Rise - 80 deg C; Size - 4.15 in H x 4.65 in W x 6.48 in D; Terminal Type - Screw, Standard; Fusing - Dual Primary Fuse Holder Class CC; Additional Information - Transformer Type: Step-Down, Design Type: Open Core and Coil; Manufacturer Series - TB Series