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Used Power Transformers in Ohio, USA

  • WEM,BV24855,TRANSFORMER 115/220V 50/60HZ

    WEM,BV24855,TRANSFORMER 115/220V 50/60HZ

    • Manufacturer: WEM

    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
  • NSD Corporation,3.1H-4.0 H,Transformer Chokecoil

    NSD Corporation,3.1H-4.0 H,Transformer Chokecoil

    • Manufacturer: NSD Corporation

    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
  • Square D,9070T5200D1,Industrial Control Transformer

    Square D,9070T5200D1,Industrial Control Transformer

    • Manufacturer: Square D

    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
  • Harnischfeger,75Z542D1,.300KVA Transformer

    Harnischfeger,75Z542D1,.300KVA Transformer

    • Manufacturer: Harnischfeger

    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
  • GE,9T58K1803,Core & Coil Transformer

    GE,9T58K1803,Core & Coil 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 ...

    $200 USD
    Galion, OH
  • Teknik,ENL20052/V4 555 698,24V Transformer

    Teknik,ENL20052/V4 555 698,24V Transformer

    • Manufacturer: Teknik

    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 ...

    $85 USD
    Galion, OH
  • NUNOME ELECTRIC,L32929,TRANSFORMER 100VA NOS

    NUNOME ELECTRIC,L32929,TRANSFORMER 100VA NOS

    • Manufacturer: NUNOME ELECTRIC

    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
  • PowerStat,Type 126U-3,Variable Auto Transformer

    PowerStat,Type 126U-3,Variable Auto Transformer

    • Manufacturer: Powerstat

    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...

    $850 USD
    Galion, OH
  • Emerson,HS1F500B,General Purpose Transformer

    Emerson,HS1F500B,General Purpose Transformer

    • Manufacturer: Emerson

    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 ...

    $84 USD
    Galion, OH
  • P&H,75Q331D1,240/480V Control Transformer

    P&H,75Q331D1,240/480V Control Transformer

    • 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 ...

    $52 USD
    Galion, OH
  • Westinghouse,237A970G03,Transformer Line 34

    Westinghouse,237A970G03,Transformer Line 34

    • Manufacturer: Westinghouse

    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...

    $45 USD
    Galion, OH
  • Allen Bradley,1497-N8,Control Transformer Ser A

    Allen Bradley,1497-N8,Control Transformer Ser A

    • 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 ...

    $32 USD
    Galion, OH
  • Square D,9070 EO-2,Industrial Control Transformer

    Square D,9070 EO-2,Industrial Control Transformer

    • Manufacturer: Square D

    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,IC-1000-107,Transformer kVA 1 50/60 HZ

    Dongan,IC-1000-107,Transformer kVA 1 50/60 HZ

    • Manufacturer: Dongan

    Used. Part was pulled from operation upon factory shutdown. Please see pictures for details and condition. Please check out our eBay store to view additional listings. We hope to deal with you very soon! Room 3 S...

    $52 USD
    Galion, OH
  • Allanson,542,Ignition Transformer Type A 120V/10000V

    Allanson,542,Ignition Transformer Type A 120V/10000V

    • Manufacturer: Allanson

    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...

    $110 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.