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Used Power Transformers in Ohio, USA

  • Reliance Electric,65248-8S,Transformer

    Reliance Electric,65248-8S,Transformer

    • Manufacturer: Reliance Electric

    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...

    $40 USD
    Galion, OH
  • SYLVANIA,TR23-3,CONTROL TRANSFORMER

    SYLVANIA,TR23-3,CONTROL TRANSFORMER

    • Manufacturer: SYLVANIA

    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 ...

    $40 USD
    Galion, OH
  • BASLER ELECTRIC,BE22702001,TRANSFORMER

    BASLER ELECTRIC,BE22702001,TRANSFORMER

    • Manufacturer: Basler

    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 ...

    $20 USD
    Galion, OH
  • RELIANCE ELECTRIC,64670-11S,TRANSFORMER NOS

    RELIANCE ELECTRIC,64670-11S,TRANSFORMER NOS

    • Manufacturer: Reliance Electric

    RELIANCE ELECTRIC,64670-11S,TRANSFORMER NOS 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 ...

    $60 USD
    Galion, OH
  • North Hills,1117CC,Wideband Transformer

    North Hills,1117CC,Wideband Transformer

    • Manufacturer: North Hills

    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 ...

    $80 USD
    Galion, OH
  • Thordason,21F27,Filament Transformer

    Thordason,21F27,Filament Transformer

    • Manufacturer: Thordarson

    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 ...

    $36 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
  • UNBRANDED,G5AX-1012-1,TRANSFORMER

    UNBRANDED,G5AX-1012-1,TRANSFORMER

    • Manufacturer: Unbranded

    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 ...

    $30 USD
    Galion, OH
  • Unbranded,7.0432.7092.0.W,Transformer

    Unbranded,7.0432.7092.0.W,Transformer

    • Manufacturer: Unbranded

    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
  • General Signal,E850,Transformer .850KVA

    General Signal,E850,Transformer .850KVA

    • Manufacturer: General Signal

    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 ...

    $60 USD
    Galion, OH
  • General Electric,15G7429,Ballast Transformer

    General Electric,15G7429,Ballast Transformer

    • Manufacturer: GE

    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 ...

    $36 USD
    Galion, OH
  • Unknown,10701-01E,Transformer 605 0349

    Unknown,10701-01E,Transformer 605 0349

    • Manufacturer: Unbranded

    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 ...

    $28 USD
    Galion, OH
  • DONGAN,35-Y005,TRANSFORMER .050 KVA

    DONGAN,35-Y005,TRANSFORMER .050 KVA

    • Manufacturer: Dongan

    New, dirty and has rust 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 the ...

    $24 USD
    Galion, OH
  • Tamura,3FD-536,Transformer 130B

    Tamura,3FD-536,Transformer 130B

    • Manufacturer: Tamura

    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...

    $14 USD
    Galion, OH
  • Acme,ET-83327,Transformer 500VA NOS

    Acme,ET-83327,Transformer 500VA NOS

    • Manufacturer: Acme

    New, box is 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 the pictu...

    $50 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.