Frequency: 60 Hz Standard, 50 Hz available
                      Insulation Level: 600V, 10 kV BIL full wave 
                      Available Primary Voltages: 69.3V to 690V
                      Wide range of Ratios with 120V secondary voltage (other secondary voltage available).
                      Single Phase or three Phase designs.
                      Molded plastic case construction.
                      Line to line or line to Neutral designs.
                      Can be supplied with or without primary fuses.
                      Single or dual secondary options are available.
                      Designed to meet IEEE.