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Used Power Transformers in Ohio, USA

  • Hevi-Duty,E0603PB,Industrial Control Transformer

    Hevi-Duty,E0603PB,Industrial Control Transformer

    • Manufacturer: Hevi-Duty

    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
  • Hevi-Duty,E0603PBTC,Industrial Control Transformer

    Hevi-Duty,E0603PBTC,Industrial Control Transformer

    • Manufacturer: Hevi-Duty

    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 ...

    $16 USD
    Galion, OH
  • HPS Imperator,PH250MQMJ,Industrial Control Transformer

    HPS Imperator,PH250MQMJ,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
  • SQUARE D,9070-EO4,TRANSFORMER 300VA

    SQUARE D,9070-EO4,TRANSFORMER 300VA

    • 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 ...

    $85 USD
    Galion, OH
  • CHUO ELECTRIC,UN-10,TRANSFORMER 500VA

    CHUO ELECTRIC,UN-10,TRANSFORMER 500VA

    • Manufacturer: CHUO 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 ...

    $28 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
  • RELIANCE ELECTRIC,64670-15R,TRANSFORMER NOS

    RELIANCE ELECTRIC,64670-15R,TRANSFORMER NOS

    • Manufacturer: Reliance Electric

    RELIANCE ELECTRIC,64670-15R,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 ...

    $50 USD
    Galion, OH
  • Transformer Engineering Corp,400-5 Ratio 600V

    Transformer Engineering Corp,400-5 Ratio 600V 50 VA 60 Cycles

    • Manufacturer: Transformer Engineering Corp

    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
  • 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
  • MTE,C1-13383,Transformer 60HZ

    MTE,C1-13383,Transformer 60HZ

    • Manufacturer: MTC

    Refurbished and in very 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 pi...

    $120 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
  • 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
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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.