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Used Power Transformers in Ohio, USA

  • SQUARE D,9070V800D35,TRANSFORMER 800KVA

    SQUARE D,9070V800D35,TRANSFORMER 800KVA

    • Manufacturer: Square D

    Used in good condition. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures to make s...

    $300 USD
    Galion, OH
  • SBA,209-0137 Type UDGC,Multi Tap Transformer

    SBA,209-0137 Type UDGC,Multi Tap Transformer 24V

    • Manufacturer: SBA

    Used and in good condition. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures to ma...

    $120 USD
    Galion, OH
  • P&H,75Q319D1,TRANSFORMER 250VA NOS

    P&H,75Q319D1,TRANSFORMER 250VA NOS

    • Manufacturer: P & H

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $150 USD
    Galion, OH
  • GE,368B530P1,Transformer 110V NOS

    GE,368B530P1,Transformer 110V NOS

    • Manufacturer: GE

    New without original box, NOS. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures to...

    $60 USD
    Galion, OH
  • Q-Mark,5814-0003-002,Heater Transformer 480/24V

    Q-Mark,5814-0003-002,Heater Transformer 480/24V

    • Manufacturer: Q-Mark

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $148 USD
    Galion, OH
  • ALLEN BRADLEY,40171-002-03,TRANSFORMER MODULE 480V

    ALLEN BRADLEY,40171-002-03,TRANSFORMER MODULE 480V

    • Manufacturer: Allen-Bradley

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $10 USD
    Galion, OH
  • Allen Bradley,800E-2TL5,Transformer Module

    Allen Bradley,800E-2TL5,Transformer Module

    • Manufacturer: Allen-Bradley

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $8 USD
    Galion, OH
  • MICRON,B1K0-2268-GAH,TRANSFORMER 1KVA

    MICRON,B1K0-2268-GAH,TRANSFORMER 1KVA

    • Manufacturer: Micron

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $150 USD
    Galion, OH
  • GS,Y750,HEAVY DUTY CONTROL CIRCUIT TRANSFORMER

    GS,Y750,HEAVY DUTY CONTROL CIRCUIT TRANSFORMER 750 KVA NOS

    • Manufacturer: Sola/Hevi-Duty

    New without original box, NOS. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures to...

    $70 USD
    Galion, OH
  • Reliance Electric,417156-1RV,Transformer 460V 2.1kva

    Reliance Electric,417156-1RV,Transformer 460V 2.1kva

    • Manufacturer: Reliance Electric

    Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures to make sure the part number(s) m...

    $600 USD
    Galion, OH
  • Marelco,M-10822S,7.5kVA Transformer 44A724699.004

    Marelco,M-10822S,7.5kVA Transformer 44A724699.004

    • Manufacturer: Marelco

    Used and in good condition, Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures to ma...

    $224 USD
    Galion, OH
  • Dormeyer Industries,DCT-20-120,Transformer 120V 50-60Hz

    Dormeyer Industries,DCT-20-120,Transformer 120V 50-60Hz

    • Manufacturer: Dormeyer Industries

    New unused with original box NOS. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures...

    $30 USD
    Galion, OH
  • Trusted Seller
    MO-6496, GE PADMOUNT TRANSFORMER. 2000/2240

    MO-6496, GE PADMOUNT TRANSFORMER. 2000/2240 KVA. 13800-480Y/277 V.

    • Manufacturer: GE

    “Contact us directly for a freight quote or you can setup your own freight. Please provide ship to address. Loading is included with the sale of the item.”

    $35,000 USD

    Get financing

    Est. $659/mo

    Willoughby, OH
  • Trusted Seller
    MO-5814, VIRGINIA 1500 KVA SUBSTATION

    MO-5814, VIRGINIA 1500 KVA SUBSTATION TRANSFORMER. 4160 HV. 480 LV. YR: 2007.

    • Manufacturer: GE

    “Contact us directly for a freight quote or you can setup your own freight. Please provide ship to address. Loading is included with the sale of the item.”

    $25,000 USD

    Get financing

    Est. $471/mo

    Willoughby, OH
  • Allen Bradley,1497-N11,Control Circuit Transformer NOS

    Allen Bradley,1497-N11,Control Circuit Transformer NOS

    • Manufacturer: Allen-Bradley

    New, box is extremely dirty from storage. NOS. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review...

    $95 USD
    Galion, OH
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Overview

Power transformers transfer electrical energy between voltage levels for utilities, substations, and large industrial plants. These heavy, high-capacity units come in oil-filled or dry-type designs, with cooling classes (ONAN, ONAF, etc.), on-load tap changers, bushings and protection gear. Buyers must match voltage class, impedance, capacity (kVA/MVA), and cooling to system needs, and plan for foundation, handling, transport and commissioning.

FAQ

What specifications should I check when buying a used power transformer?

Confirm voltage ratios, kVA/MVA rating, impedance, cooling type, phase configuration, on-load tap changer condition, bushing types and insulation class, and recent test reports (DGA, insulation resistance, turns ratio).

How do I verify a used transformer's condition before purchase?

Request factory and maintenance records, Dissolved Gas Analysis (DGA), insulation resistance, power factor tests, sweep-frequency response (SFRA) and a visual inspection report for leaks, rust and bushing integrity.

What are the key shipping considerations for heavy power transformers?

Plan for specialized heavy-haul transport, load lifting equipment, route permits, weight/axle limits, skidding or cradling, draining oil if required by regulations, and coordination with local authorities for oversized loads.

What site preparations are needed before delivery and installation?

Prepare a level, rated foundation or skid with proper anchoring, ensure crane access and pad capacity, verify cable entry, grounding, oil containment for liquid-filled units, and arrange for qualified rigging and electrical commissioning crews.

What ongoing maintenance keeps a power transformer reliable?

Perform regular DGA, insulation resistance and oil quality tests, thermographic inspections, tap changer maintenance, bushing checks, cooling system inspections and timely repairs. Follow manufacturer intervals and keep detailed service records.