Salient Characteristics for XFMR Purchase.pdf

This document specifies the salient characteristics of three transformer products required under a federal contract solicitation.

CLIN 0001 requires a 300 KVA three-phase 120/208VAC Delta Y configuration ABB transformer with 12470 Delta high voltage at 95 kV BIL, equipped with two above and two below taps at 2.5%, and six 200A Wells & Inserts dead front loop feed bushings. The low voltage rating is 208 Y/120 at 30 kV BIL with four 4-hole spade bushings. Specifications include mineral oil fluid, 65°C temperature rise, ONAN cooling class, aluminum conductors, no fusing, 4-position LBOR switch, mild steel tank, and standard cabinet depth. The unit shall include a liquid level gauge, pressure vacuum gauge, dial-type thermometer, grounding provisions, Schrader valve, drain and sample valve, pressure relief valve, padmount green paint finish, and UL listing.

CLIN 0002 requires a 150 KVA three-phase 120/208VAC Delta Y configuration ABB transformer with identical high voltage specifications (12470 Delta, 95 kV BIL) and taps as CLIN 0001, along with the same low voltage configuration and accessories. CLIN 0003 requires a 100 KVA single-phase 120/208VAC pad mount ABB transformer operating at 65°C and 60Hz with standard impedance, 12470Y 7200 primary voltage at 95 kV BIL with loop feed, 240/120 secondary voltage at 30 kV BIL, no primary taps, 200A dead front wells with 15 kV insert primary bushings, 4-hole spade secondary bushings, bayonet fusing with fuse holder assembly, and FR3 insulating fluid.