' Class 2 Transformer, 50 VA Rating, Input Voltage 120/240/277/480VAC, Output Voltage 24VAC, Foot or Dual 1/2 In. NPT Hub Mounting, Protective Device Circuit Breaker, Primary Connection Pigtails, Secondary Connection 8 In. Leads, 1 Phase, 50/60 Hz, Not Rated Temp. Rise, Open Enclosure Type, Enclosure Rating Not Rated, Enclosure Finish No Finish, Height 3.01 In., Depth 2.51 In., Width 3.47 In., Standards UL5085-2 or UL5085-3; USA & Canada, Includes Circuit Breaker '