Control Transformer, Input Voltage - Transformer 277V AC, Output Voltage - Transformer 24V AC, VA Rating - Transformer 300 VA, Protective Device Primary and Secondary Fuse, Enclosure Style - Transformer Encapsulated, Mounting - Transformer Foot, Phase - Electrical 1, Hz - Electrical 50 Hz, 60 Hz, Temp. Rise 80 Degrees C, Enclosure Finish No Finish