Transformers will be primary voltage 13200 Delta, Secondary voltage: 120/208Y or 277/480Y volt as specified in the bid. 4 Taps 2.5% below primary rated voltage Secondary terminals to be NEMA 6-hole spade externally clamped and replaceable with bushing supports. Accessibility to internal portions of all bushings shall be provided either by appropriately located handhold on the cover, or the cover shall be bolted on and removable. Pressure relief device. Provide oil drain valve and plug with sampling device in the primary compartment. Six 200 Amp universal type bushing wells (2 per phase) externally clamped and replaceable. Compartment doors are secured by penta-head bolt and a padlock device. Primary and secondary cable compartments shall be a minimum of 24” deep. Secondary bushings are to be reinforced with external bushing supports. See attached drawing for required dimensions and location of bushings and spades. The words NO PCBs <2PPM on manufacturer’s nameplate Mineral oil insulated Transformer painted olive green. The total weight and gallons of oil must be on the nameplate. Transformers are not to contain fuses unless specified in the bid. The four lifting hooks on 750 KVA, 1000 KVA, 1500 KVA, 2500 KVA, and 3000 KVA units shall be made of 1-inch-thick plate steel.
