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Used Power Transformers in Ohio, USA

  • EDS,T-294,TRANSFORMER 120V NOS

    EDS,T-294,TRANSFORMER 120V NOS

    • Manufacturer: EDS

    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
  • Shape Electronics,SR130-Z1651,Transformer

    Shape Electronics,SR130-Z1651,Transformer

    • Manufacturer: Shape Electronics

    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 ...

    $24 USD
    Galion, OH
  • MG Electronics,MGT1640,Transformer Class 2

    MG Electronics,MGT1640,Transformer Class 2

    • Manufacturer: MG Electronics

    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
  • Sterling,BT-111-08-2T,Transformer

    Sterling,BT-111-08-2T,Transformer

    • Manufacturer: Sterling

    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 ...

    $12 USD
    Galion, OH
  • SQUARE D,30T3H,TRANSFORMER 30KVA TRANSFORMER H.V.

    SQUARE D,30T3H,TRANSFORMER 30KVA TRANSFORMER H.V. 480 L.V. 208Y/120V

    • Manufacturer: Square D

    WILL ARRANGE SHIPPING WITH BUYER WEIGHT 280LBS MEASURING 28X28X30 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 photo...

    $550 USD
    Galion, OH
  • DONGAN,53-05,TRANSFORMER 50 VA NOS

    DONGAN,53-05,TRANSFORMER 50 VA NOS

    • Manufacturer: Dongan

    DONGAN,53-05,TRANSFORMER 50 VA 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 included ...

    $60 USD
    Galion, OH
  • SQUARE D,15T3H,TRANSFORMER 15KVA TRANSFORMER H.V.

    SQUARE D,15T3H,TRANSFORMER 15KVA TRANSFORMER H.V. 480 L.V. 208Y/120V

    • Manufacturer: Square D
    • Model: 15T3H

    WILL ARRANGE SHIPPING WITH BUYER WEIGHT 210 MEASURING 24X24X28 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 t...

    $450 USD
    Galion, OH
  • STANCOR,P-6375,CONTROL TRANSFORMER 1-PHASE NOS

    STANCOR,P-6375,CONTROL TRANSFORMER 1-PHASE NOS

    • Manufacturer: Stancor

    STANCOR,P-6375,CONTROL TRANSFORMER 1-PHASE 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 ...

    $45 USD
    Galion, OH
  • UNBRANDED,104X156CA028,INDUSTRIAL TRANSFORMER

    UNBRANDED,104X156CA028,INDUSTRIAL 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 ...

    $50 USD
    Galion, OH
  • HPS Imperator,PH350MQMJ,Industrial Control Transformer

    HPS Imperator,PH350MQMJ,Industrial Control Transformer

    • Manufacturer: HPS

    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...

    $125 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
  • FUKUDA,FE21-1K,TRANSFORMER 1KVA

    FUKUDA,FE21-1K,TRANSFORMER 1KVA

    • Manufacturer: FUKUDA

    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 ...

    $120 USD
    Galion, OH
  • UL,D-921 LR-560,Interchangable Ignition Transformer

    UL,D-921 LR-560,Interchangable Ignition Transformer

    • Manufacturer: Underwriters Laboratories

    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...

    $50 USD
    Galion, OH
  • Allen-Bradley,120883-04,Transformer 100VA NOS

    Allen-Bradley,120883-04,Transformer 100VA NOS

    • Manufacturer: Allen-Bradley

    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...

    $48 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.