Specifications include, but are not limited to: Potential transformers shall be furnished in accordance with the following: Location STOCK Quantity 1 Ratings Nominal system voltage, kV (line-toline) 161 Maximum system voltage, kV (line-toline) 169 Impulse withstand voltage (BIL), kV 750 Frequency, Hz 60 Marked ratio (primary:secondary) 800:1 lower ratio 1400:1 higher ratio ANSI accuracy class and ANSI Burden 0.15 W, X, Y, Z, Altitude, m (ft) < 600m (< 2000 ft) Space heater rated voltage, VAC 240 Space heater applied voltage, VAC 120 Requirements Number of bushings, each pt 1 Primary terminal(s) shall be NEMA NEMA 4-hole pads Porcelain color ANSI 70 grey Short Circuit Rating 40 kA Size/Load Rating 100 kVA Secondary Power Voltage 120/240 V Quantity of Secondary bushings Four (Power) Type of secondary bushings 2 – hole set screw connectors Size of secondary bushing As per C57 Std Tank Material Mild Steel Dome Material Mild Steel Finish Coating Polyester Powder Tank Ground Pads NEMA 2-hole pads (1 on side and 1 in JB) Oil Level Gauge Std 3” magnetic Tanks Ground Connector Yes (size 4/0 copper) Tank Color ANSI 70 Gray Manufacturer and Type Kuhlman ABB Ritz Trench Associated Engineering
