6402 McGrew St, Houston, TX 77087 · Buying statewideCall (951) 403-5738 · Text photos · Industrial832@gmail.com

Transformer sizes

2500 kVA Transformer Buyers in Texas

Need to sell a 2500 kVA transformer in Texas? Texas Transformer Buyers buys new surplus, used, retired and failed units. Send nameplate and overall photos, quantity, location and condition so we can assess your equipment and make an offer.

2500 kVA

Rating
2500 kVA
Forms
Padmount transformers, Unit substations, Substation transformers
FLA
3,007 A @ 480 V
Area
All of Texas
Row of green three-phase padmount transformers staged in a Texas yard with a crane ready for loading
OUR PHOTOThree-phase padmount transformers staged for pickup and crane loading.

Sell a 2500 kVA transformer in Texas

We buy single transformers and whole lots, any brand, whether the equipment is new in a crate, operating, disconnected or failed. A 2500 kVA rating equals 2.5 MVA; both describe apparent power capacity, not the transformer's physical size or weight.

At this rating, equipment commonly takes the form of an enclosed three-phase padmount, a transformer section within a unit substation, or a standalone substation transformer. Our yard and office are at 6402 McGrew St, Houston, TX 77087, and we buy statewide while coordinating trucking and pickup.

For a 2500 kVA transformer buyer, the useful starting point is the actual equipment record. Clear photographs and an accurate description let us evaluate the unit rather than assume its configuration from its capacity alone.

2500 kVA three-phase full-load amps by voltage (A = kVA × 1000 ÷ (1.732 × V))
VoltageFull-load ampsTypical role
480 V3,007 ALow-voltage secondary
600 V2,406 ALow-voltage secondary
4,160 V347 AMedium-voltage secondary
12,470 V116 ADistribution primary / secondary
13,800 V105 ADistribution primary / secondary
24,940 V58 ADistribution primary / secondary
34,500 V42 ADistribution primary / secondary

Check any rating with the kVA to amps calculator.

Common configurations and Texas applications

Three-phase padmount transformers have enclosed cable compartments and commonly serve underground distribution systems. A dead-front design uses insulated cable connections rather than exposed energized terminals. Loop-feed equipment provides connections for an incoming and outgoing distribution circuit.

Unit substations combine a transformer with associated primary or secondary switching equipment. Send photos showing whether the sale includes only the transformer or also attached switchgear, bus connections and cabinets. Those boundaries matter when planning removal and evaluating the lot.

Standalone substation transformers may have exposed bushings, radiators and separate switching equipment. In Texas, 2500 kVA equipment can support data centers, bitcoin mining facilities, refinery distribution and solar inverter step-up service. A step-up transformer raises inverter output voltage for connection to a higher-voltage collection system.

Indoor unit substation with transformer section close-coupled to switchgear in an electrical room
A unit substation: primary switch, transformer and low-voltage switchgear in one lineup.

2500 kVA transformer specs and voltage combinations

Common distribution arrangements include 12,470 V to 480Y/277 V, 13,800 V to 480Y/277 V, and 34,500 V to 480Y/277 V. The Y notation indicates a wye-connected winding; 480Y/277 V provides 480 volts between phases and 277 volts from phase to neutral.

Other equipment may use 4,160 V distribution or a 24,940 V primary. Solar step-up units may pair a lower-voltage inverter winding with a medium-voltage collection winding. Do not infer the voltage arrangement from the enclosure: send the plate showing both primary and secondary ratings.

Buyers also need the winding connection, available taps and impedance. Taps adjust the winding ratio within specified limits, while impedance describes opposition to current and affects fault current and compatibility with other equipment. Frequency and cooling ratings help establish whether the transformer fits a prospective application.

Full-load amps and why the ratings matter

For three-phase equipment, full-load current equals kVA multiplied by 1,000, divided by 1.732 times the line-to-line voltage. At 2500 kVA, that is approximately 3,007 A at 480 V, 347 A at 4,160 V, 116 A at 12,470 V and 105 A at 13,800 V.

At 24,940 V, full-load current is approximately 58 A; at 34,500 V, it is approximately 42 A. The table below makes these comparisons easier. Use the transformer kVA-to-amps calculator to check another nameplate voltage.

These figures help buyers assess connections to existing cable, bus and switchgear. They describe rated current at the stated voltage, not actual operating load or a complete protection design. The high current on a 480 V secondary makes terminal configuration and the condition of connection hardware particularly useful details.

What affects value and demand at 2500 kVA

A used 2500 kVA transformer is evaluated on more than capacity. Voltage combination, configuration, condition, completeness and available records affect its fit for another installation. Common distribution voltages may suit more projects, while unusual winding arrangements require a closer match.

Demand for this size comes from projects needing substantial three-phase capacity without moving to a larger transformer rating. Data-center expansions, mining loads, industrial replacements and solar projects can have different requirements, so a matching voltage and connection arrangement matter more than the application label alone.

New surplus equipment, documented operating units and failed transformers need different evaluations. Tell us about leaks, damaged bushings, missing cable compartments, corrosion or removed components. If failure occurred, describe what happened and provide any inspection or test reports rather than describing the unit as simply nonworking.

Location and removal conditions also affect the transaction. Equipment already accessible for loading presents different logistics from a unit inside an operating facility with restricted access. We assess the actual details before making an offer.

Nameplate photos and records to send

Photograph the entire nameplate square-on, with enough resolution to read every field. Our guide to reading a transformer nameplate can help identify the information. Include overall views of each side and close-ups of terminals, compartments and visible damage.

  • Send manufacturer, serial number, manufacture date if shown, kVA rating, phase, frequency, primary and secondary voltage, winding connections, taps and impedance.
  • Include cooling class and all listed capacity ratings. ONAN means oil-natural, air-natural cooling; ONAF means oil-natural cooling with forced-air fans. Photograph fan equipment if present.
  • Provide quantity, location, current condition and what accessories or attached equipment are included. Send any available electrical test reports, maintenance records and oil test results.
  • Include DGA records, if available; dissolved gas analysis examines gases in insulating oil for signs of internal problems. Share any documented PCB information; polychlorinated biphenyls are regulated substances associated with some older insulating fluids.

Weight, load-out and getting an offer

Use the nameplate's exact listed weights for planning rather than estimating from the 2500 kVA rating. Photograph the weight fields and any separate shipping information. Radiators, cabinets and attached equipment can affect the handling arrangement, so include them in the overall photos.

Rigging and trailer selection depend on weight, dimensions, lifting provisions and site access. Show the approach route, loading area, overhead restrictions and any obstacles around the unit. Load-out planning should account for ground conditions and whether suitable lifting equipment can reach the transformer.

Before pickup, the seller or a qualified electrical contractor hired by the seller must de-energize and disconnect the unit. We plan the trucking and loading with you ahead of pickup. We confirm the price, how payment is made and the pickup arrangements in writing before loading starts.

To sell a 2500 kVA transformer, call or text (951) 403-5738, email Industrial832@gmail.com, or request an offer for your transformer. Send the photos, quantity, location and condition together so we can assess the details and respond with an offer.

Frequently asked questions

Can I sell a failed 2500 kVA transformer?

Yes. We buy failed units as well as working equipment. Describe the failure, photograph damaged areas and send available test results with the nameplate.

Is a 2500 kVA transformer the same as a 2.5 MVA transformer?

Yes. The ratings express the same apparent power capacity. Check the complete nameplate because cooling stages may have different listed capacities.

Can I include switchgear attached to a 2500 kVA unit substation?

Identify everything proposed for sale and photograph the complete assembly. Show the transformer-to-switchgear connections so the scope and removal boundaries can be assessed.

Do you buy 2500 kVA transformers outside Houston?

Yes. We buy statewide, including equipment in Texas City. Send the site's location and access details along with the equipment photos.

Does a 480 V secondary always mean 3,007 amps?

Approximately 3,007 A is the three-phase full-load current at 2500 kVA and 480 V. Actual current depends on load; confirm the applicable nameplate capacity.

Have a transformer to sell?

Send the nameplate photo, a few overall shots and the location. We buy single units and whole lots anywhere in Texas.

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