polemount distribution transformers, single phase, conventional, 60 hz., oil immersed, self cooled. Transformers shall conform to IEEE C57.12.20, latest revision, except as specified herein. Single mounting position. 2. Primary Voltages: In accordance with the following table: PRIMARY VOLTAGE BIL SURGE ARRESTER DUTY CYCLE MCOV 13.2 Grd Y/7.62 kV 95 kV 10 kV 8.4 kV Dual 13.2 Grd Y/7.62 kV x 4.16 Grd Y/2.4 kV 95 kV 10 kV 8.4 kV 3. Primary Taps: none. 4. Dual Voltage Ratio Switch: External dual voltage ratio switch for dual ratio. Switch shall require a minimum of two operations to change ratio. Ship in lower voltage position. 5. Secondary Voltage: 120/240 or 277/480Y volts. 6. Standard KVA Ratings: 1, 5, 10, 15, 25, 37.5, 50, 100, 167, 250, 333, 500 7. Grounding: Provide grounding strap between X2 bushing and lug on tank wall. Provide ground connector on tank for connection to pole grounds.
