I. Fused Pad Mount Switches: (S&C PME-5 or Approved Equivalent) a. These switches should provide primary protection for the feeder tap conductors, as well as provide line-of-sight isolation for each transformer for maintenance purposes. b. 14.4kV, 200 Amp, 350 MVA sym. c. 3-pole interrupter switches on one side. d. Fused switches with integral load interrupter on the other. e. Fusing to be Class 50E for transformer primary winding protection. f. IR windows, number and location as recommended by the manufacturer, for performing thermography from a position external to the enclosure. II. Specifications for Pad Mount Compartmental Transformers: (EATON/Cooper Power Pad Mount or Approved Equivalent) a. 12.47kV, delta connected primary winding. b. 480/277VAC, solidly grounded-wye secondary winding. c. 750 kVA, 65 oC, KNAN, 60 Hz, %Z = 5.75% at 750 MVA + 7.5%. d. Envirotemp FR3 insulating fluid or other less flammable and environmentally safe fluid acceptable to the Engineer. e. Copper windings. f. Primary Bay-O-Net fusing. g. Drain valve, auto pressure relief valve, liquid level gauge. h. IR windows, number and location as recommended by the manufacturer, for performing thermography from a position external to the enclosure
