Quantity: • 25kVA – Fifteen (15) transformers • 50kVA – Fifteen (15) transformers Frequency: • 60 Hz Primary Voltage: • 7.2/12.47kV grounded wye Secondary Voltage: • 120/240V • Transformers shall be suitable to be installed as a bank of three (3) for three-phase 120/208 volt secondary services System Voltage: • 12.47kV phase-to-phase nominal, grounded wye Tank Construction: • Transformer tank, fins (if present), bottom, top/cover, mounting plate(s), and all steel nuts, bolts, fasteners, other hardware, and welds that will be exposed to outside weather, shall be constructed of 304 stainless steel • Transformers shall be of welded construction • The tank shall be conventional, oil-filled, pole-type • Tank coating shall meet or exceed the requirements of ANSI C57.12.31 • Cover design shall meet the requirements of ANSI C57.12.20 for self-venting resealing covers
