Prolec GE offers a complete line of liquidfilleddistribution transformers that meet current applicableANSI / IEEE standards.

With high voltages up to 34.5kV and ratings up to 15 MVA(ONAN), Prolec GE primary and secondary substationtransformers are used in a wide range of utility, commercialand industrial applications. High-grade materials, combinedwith state of the art technology in our design andmanufacturing systems, are key elements of a transformerthat will deliver years of high reliability service.

Prolec GE Primary and Secondary SubstationTransformers meet all of your industrial applicationsfor electric distribution.

Standard Features Insulating mineral oil. 60 Hertz operation. Externally operated de-energized tap changer with (2)

2.5% full capacity taps above and below nominal. 65C average winding rise. Side-mounted bushings. HV and LV flange connections. Pressure-vacuum gauge. Top filter press valve provision. Liquid level gauge. Liquid temperature gauge. Pressure test valve. ANSI grounding pad. Drain / filter valve with sampling device. Tank lifting lugs. Corrosion resistant nameplate. ANSI 61 paint finish, 5 mils thickness. ANSI 70 paint finish, 5 mils thickness. Hydran provision (above 7.5 MVA).

Optional Features & Accessories High-fire point fluid, such as silicone, hydrocarbon orvegetable fluids. (up to 10 MVA) 55 C 55/65C average winding rise. Forced air cooling Forced air cooling with 2 stages (from 7.5 MVA and up

to 15 MVA) Future fan wiring and control. Removable radiators. Pressure relief device. Winding temperature device. Sudden pressure relay with or without seal in. Devices with alarm contacts. Top filter press valve. HV & LV air terminal compartments. HV lightning arresters in ATC. Current transformers. Neutral grounding resistor. Special impedances. Low losses. Special environment (i.e: classified areas). Special / low sound level. 50 Hertz. Seismic zone III and IV. IBC/CBC certified product line up to 5 MVA Retrofit to specific dimensions. Non-standard loading conditions such as harmonic

loading or specified K-factor. Stainless steel removable radiators. Galvanized steel removable radiators. Special paint for marine ambient. Special paint thickness. Special colors. CSA compliance. Other special features upon request.

TestsEach transformer receives all standard commercial testsin accordance with ANSI C57.12.90 (latest revision), withtest reports available by serial number of the transformer.

Routine tests include: Resistance tests of all windings. Ratio tests on the rated voltage and all tap connections. Polarity and phase relation tests at rated voltage. No load loss at rated voltage. Exciting current at rated voltage. Impedance and load losses. Applied voltage test. Induced voltage test. Full wave impulse test.

ANSI is a registered trademark of American NationalStandards Institute, Incorporated.

IEEE is a registered trademark of the Institute of ElectricalElectronics Engineers, Inc.

SubstationTransformers

SBTR-1208-1

7500100001200015000

75010001500200025003000375050007500100001200015000

9090959595100105105120130130130

5060606565707075808085130

6070757580909095110135135155

6,4007,3009,50011,40013,10015,80018,20022,00029,00032,80038,20070,000

750100015002000250030003750500075001000012000

8585859095100100100110115125

5560606570707580809095

60758585909595105125135135

6,3007,4009,50011,90013,40015,70018,30022,10030,40033,00035,700

* 2400416048006900

7200120001247013200

138002300034500Other

* 208Y* 240480600

24004160Y480012000

124701320013800Other

2253005007501000

15002000250037505000

For kVAs not listed, contact factory. Dimensions and weights areapproximate and subject to change without notice and should notbe used for construction purposes.

DepthkVA Height Total Weight (Lb)High Fire Point Fluid; 65C; BIL 95 kV

Flange - Flange

DepthkVA Height Total Weight (Lb)Flange - Flange

Oil Filled; 65C Rise; BIL 95 kV

Overall Typical Dimensions for Reference Standard Ratings (ONAN)

Standard Voltages (V)

Standard kVA Ratings

Standard Primary Voltage Ratings

Standard Secondary Voltage Ratings

Pressure-relief device

Fill plug

Filter pressvalve gauge

Liquid-level gauge

Tap changer

Nameplate

Control box

Sudden-pressure relay

Lifting lugs

Vacuumpressure gauge

Windingtemperature gauge

Liquidtemperature gauge

Radiators

Drain valve

For more information contact your local GE Sales Representative or visit our website at www.prolecge.comPhone: Toll free 1 800-437-7653 (US & Canada) / +52 (81) 8030-2341 (Mexico) / Fax: +52 (81) 8030-2323 or 2325