Control Transformers: Type - Industrial Control Transformer; Enclosure Construction Style - Open; Volts, Primary - 120/240V; Volts, Secondary - 12/24V; VA Rating - 350 VA; Frequency Rating - 50/60 Hz; Insulation Class - 130 deg C; Temperature Rise - 80 deg C; Size - 3.84" H x 4.50" W x 6.12" 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