Control Transformers: Type - Industrial Control Transformer; Enclosure Construction Style - Open; Volts, Primary - 480V; Volts, Secondary - 120V; VA Rating - 100 VA; Frequency Rating - 60 Hz; Insulation Class - 105 deg C; Temperature Rise - 55 deg C; Size - 2.75 in. H x 3.00 in. W x 3.75 in. D; Manufacturer Series - SL Series