45 kVA transformer buyers for building and site equipment
A 45 kVA three-phase dry-type transformer is a common building distribution unit. In New York commercial buildings, workshops and industrial facilities, it often supplies a lower-voltage panel from a higher-voltage distribution system. Renovations, changes in tenant loads and replacement equipment can leave a working unit disconnected and available for sale.
We buy enclosed dry-type transformers, including surplus units still in their crates and used units removed from electrical rooms. Useful photos show the enclosure, ventilation openings, terminal compartment and any visible damage. Tell us if the transformer operated indoors, outdoors in a suitable enclosure, or in a damp or dusty location.
We also review oil-filled units identified as 45 kVA on their nameplates, including padmount transformers. This rating is more familiar in three-phase dry-type equipment than in standard padmount product lines, so send the actual plate rather than estimating capacity from cabinet size. Include the phase count and fluid information. Property owners cannot sell a utility-owned transformer; confirm ownership before requesting an offer.
Full-load amps for a 45 kVA transformer
| Voltage (line-to-line) | Full-load current |
|---|---|
| 208 V | 124.9 A |
| 480 V | 54.1 A |
| 600 V | 43.3 A |
| 4,160 V | 6.2 A |
| 12,470 V | 2.1 A |
| 13,200 V | 2 A |
| 13,800 V | 1.9 A |
| 34,500 V | 0.8 A |
Calculated as kVA × 1,000 ÷ (1.732 × V) for a three-phase unit. Check the nameplate for the actual ratings. Use the kVA to amps calculator.
Common voltages and 45 kVA transformer full-load amps
A common dry-type configuration is a 480 V primary with a 208Y/120 V secondary, supplying three-phase loads and line-to-neutral circuits. We also review 600 V primary units and other arrangements, including 240 V secondaries. Send the complete voltage markings, winding connection and tap information; “480 to 208” alone leaves out details that matter to the next installation.
For an oil-filled unit with a medium-voltage primary, the plate may show ratings such as 4,160 V, 12,470 V or 13,200 V. The exact primary rating, secondary voltage and connection determine its suitability for another site. Photograph the wiring diagram if it is on a separate label.
The full-load amps table on this page uses three-phase calculations. At 45 kVA, it shows 208 V = 124.9 A, 480 V = 54.1 A and 600 V = 43.3 A. These are calculated line currents at rated load, not breaker-sizing instructions. Our kVA-to-amps calculator explains the relationship; single-phase current uses a different formula. Confirm conductor and protection requirements with the responsible electrical professional.
Approximate weight and oil volume for pickup planning
The weight of a 45 kVA transformer depends on its construction, enclosure and winding material. For initial handling plans, an enclosed dry-type unit may weigh approximately 250–600 pounds. An oil-filled padmount unit at or near this rating may weigh approximately 500–1,500 pounds, including its tank and fluid. These are broad planning ranges, not lifting specifications; check the nameplate for the actual weight.
Oil volume also varies by tank design and cooling arrangement. An oil-filled unit at or near 45 kVA may contain approximately 30–100 gallons. Check the nameplate or manufacturer documentation for the actual fill quantity and fluid type. A dry-type transformer has no insulating-oil fill.
Send a photo of any weight marking, lifting label and fluid label. Our transformer weight guide provides additional planning context, but we arrange handling around the identified unit and site conditions. Include overall dimensions and note stairs, narrow doors, loading-dock access or an uneven route to the truck. A compact enclosure can still require mechanical lifting equipment.

What drives resale value at the 45 kVA size
At this size, a usable voltage combination and sound condition are central to resale potential. A clean 480 V to 208Y/120 V dry-type unit with a readable nameplate gives us more information to evaluate than an unidentified enclosure. Manufacturer, age, winding material when documented, enclosure condition and available test results also matter.
We distinguish among new surplus, previously energized equipment, failed units and material being sold for scrap. Tell us why the transformer was removed and disclose overheating, water exposure, damaged terminals or missing parts. We buy damaged units too; accurate details let us evaluate the right purchase route instead of treating every transformer as ready for reuse.
For oil-filled equipment, include fluid type, leak history and documented PCB status. Do not guess PCB status from appearance or age alone. Confirm current handling requirements when fluid condition or PCB status is uncertain.
Our guide to what a used transformer is worth explains these factors. Access and freight affect the offer as well, so include the pickup location and loading conditions with your equipment photos.
Send the details needed to sell a 45 kVA transformer
To sell a 45 kVA transformer, call or text 951-403-5738, or use our online offer form. Start with clear photos of the complete unit and nameplate. For multiple units, label the photos so each plate matches the correct transformer.
Include these details with your submission:
- Manufacturer, model and serial number, if readable.
- Rated kVA, phase count, primary and secondary voltages, and taps.
- New surplus, used, removed-from-service, failed or scrap condition.
- Fluid type and documented PCB status for oil-filled units.
- Test reports, if available, plus the reason for removal.
- Pickup town, storage location, dimensions and available loading equipment.
We review the equipment details and provide a written offer. You do not need a test report to start the discussion, but send existing records rather than arranging new testing before we review the unit. Our buying process explains the steps from submission through pickup and payment. If the transformer is still connected, say so when you submit it so removal and pickup can be planned separately.
Picking up 45 kVA units across New York State
We coordinate pickup throughout our New York service area, including individual building transformers and groups of units held by contractors or facilities. We have no public storefront or drop-off yard in New York; we come to the seller. Pickup planning starts with the unit’s weight, dimensions and the route from its storage position to the truck.
For a dry-type unit on a pallet at ground level, forklift access may make loading straightforward. A transformer in a basement electrical room, on an elevated platform or behind a narrow doorway needs a different handling plan. Send access photos early, including doorways, loading areas and lifting points, so we can coordinate suitable rigging, forklift or crane assistance and trucking. Flatbed, step-deck or lowboy transport is selected as appropriate for the load; you may also load the unit if you prefer.
Have qualified personnel disconnect and make the transformer safe before handling. At pickup, we perform a quick inspection to confirm that the unit matches the photos and agreed details. Payment is by check, ACH or wire under the agreed terms.
Questions sellers ask about 45 kVA
Who buys used 45 kVA transformers in New York?
We buy used 45 kVA electrical transformers anywhere in New York State, along with new surplus, removed-from-service, failed and scrap units. Send the nameplate, condition photos and pickup location. We review the configuration, provide a written offer and coordinate pickup for one unit or a group.
How many amps is a 45 kVA transformer at 208 volts?
A 45 kVA three-phase transformer has a calculated full-load line current of 124.9 A at 208 V. The calculation uses rated kVA, line-to-line voltage and the three-phase formula. Single-phase current is different. Use the nameplate to confirm the rating and phase count, and have installation protection sized by the responsible electrical professional.
How much does a 45 kVA transformer weigh?
An enclosed dry-type unit may weigh approximately 250–600 pounds. An oil-filled padmount unit at or near this rating may weigh approximately 500–1,500 pounds. Construction and enclosure design affect weight substantially. Check the nameplate or manufacturer documentation for actual weight before selecting lifting equipment or planning transport.
Can I sell a failed 45 kVA transformer?
Yes, we buy failed and damaged 45 kVA transformers as well as working units. Describe the failure and send photos of damaged terminals, burned windings, enclosure damage or leaks. Include fluid and documented PCB information for oil-filled equipment. We evaluate its condition and pickup requirements before issuing a written offer.
