FY26 750kVA 3-Phase Transformer

Request the purchase of the product listed below. This acquisition is being procured utilizing NAICS Code 335311 Power, Distribution, and Specialty Transformer Manufacturing: Ballasts Lamp holders, and Starters Size Standard 600 Employees and PSC Code 6120, Transformers: Distribution and Power Station. This requirement will be a Small-Business Set-Aside. Using RFO Part 12 procedures, 375th CONS intends to evaluate submitted quotes using Lowest Price Technically Acceptable (LPTA) criteria, and a single award will be made.

To be considered for award, offerors must have an active registration in SAM. Please provide an offer for the product listed below by: 10:00 A.M. CST 5 June 2026.  (All RFQ info and Transformer Specs are attached)

Copper Windings Required - Updated 4Jun26

kVA - 750 kVA 3 Phase Pad-Mount Transformer

Insulating fluid - Envirotemp FR3

Efficiency Standard - DOE 2016

High Voltage - 12470GY/7200 Volts

High Voltage kV Class - 15 kV Class                                                                                

High Voltage kV BIL - 95 kV BIL

Primary Termination Style - Dead Front

Primary Feed Type - Loop Feed                                                                   

Taps -  2 - 2.5% taps above and 2 - 2.5% taps below nominal

Tap Changer - 5-position tap changer

Tap Changer Switch Location - Frontplate HV Compartment

High Voltage Bushings - 200 amp Cooper bushing wells with removable studs (Quantity: 6)

Primary Ground Bushing Selection - Combined H0X0 Bushing

High Voltage Inserts - 15 kV, 95 kV BIL load-break inserts (Quantity: 6)

Loadbreak Switch(es) - 15-38 kV, 300A 2-Position (Quantity: 3)

Loadbreak Switch Location - Frontplate HV Compartment

High Voltage Arresters - Varistar elbow arresters, 15 kV class, distribution class 15 kV (Quantity: 3)

Overcurrent Protection Bayonet Fuses in series with Partial-Range Current-Limiting Fuses (Quantity: 3)

Expulsion fuses Bayonet fuses - (Quantity: 3)

Bayonet Holder - Copper Bayonet Fuse Holder (Quantity: 3)

Low Voltage - 480Y/277 Volts

Low Voltage kV Class - 1.2 kV Class

Low Voltage kV BIL - 30 kV BIL

Secondary Termination Style - Live Front

Secondary Feed Type - Radial Feed

Low Voltage Bushing Location - LV Frontplate (seg 1)

Low Voltage Bushings - Integral aluminum 12-hole spade bushing(s) (Quantity: 4)

Bushing Supports - Standard LV Bushing Support Assembly

Cabinet hardware - Penta-head cabinet door bolts

Cabinet Types - IEEE/ANSI                                                                                                                                                             Infrared Viewing Windows - No Window Required                                                                                                                    Bushing Layout - K 4.5 Loop feed per IEEE C57.12.34-2022 Figure 11 minimum dimensions (without bails)                 Special Paint - Federal Spec Number Sherwin Williams 6006, Black Bean Brown                                                               Cabinet Sill Construction - 304L Stainless steel cabinet sill                                                                                                     Cabinet Sides Construction - 304L Stainless steel cabinet sides                                                                                                    Tank Base Construction - 304L Stainless steel tank base                                                                                                                 FM / UL Certifications - UL Listed                                                                                                                                                                          Liquid Level Gauge - Magnetic liquid level gauge                                                                                                                                         Pressure Vacuum Gauges - Pressure/vacuum gauge                                                                                                                                    Thermometer - Thermometer, dial-type                                                                                                                                                                                                                           Other Fittings - Schrader valve                                                                                                                                                                                                                                                       Drain Valve - Drain valve with sampler in LV Compartment (1")                                                                                                                                     Fill Valve - Fill plug in LV Compartment                                                                                                                                                                 Pressure Relief Device - Pressure relief device, 50 SCFM                                                                                                                                  Ground Pads - Two-hole ground pads (Quantity: 3)                                                                                                                                                         Nitrogen Blanket - Yes

Cover Bolted cover

Gauges Location Inside Main Cabinet on Front Plate