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Used Power Transformers in Ohio, USA

  • RELIANCE,411027-1S,TRANSFORMER POWER SUPPLY NOS

    RELIANCE,411027-1S,TRANSFORMER POWER SUPPLY NOS

    • Manufacturer: Reliance 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 ...

    $110 USD
    Galion, OH
  • TRIAD MAGNETICS,F-260U,POWER TRANSFORMER NOS

    TRIAD MAGNETICS,F-260U,POWER TRANSFORMER NOS

    • Manufacturer: Triad

    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 ...

    $35 USD
    Galion, OH
  • Signal Transformer,241-7-16,Transformer Enclosure

    Signal Transformer,241-7-16,Transformer Enclosure

    • Manufacturer: Signal Transformer

    New unused 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 pictu...

    $130 USD
    Galion, OH
  • SIGNAL TRANSFORMER,DP-241-7-10,TRANSFORMER

    SIGNAL TRANSFORMER,DP-241-7-10,TRANSFORMER

    • Manufacturer: SIGNAL TRANSFORMER

    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
  • TRIAD MAGNETICS,VPP20-2800,POWER TRANSFORMER NEW

    TRIAD MAGNETICS,VPP20-2800,POWER TRANSFORMER NEW

    • Manufacturer: Triad

    New in original packaging. 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 mak...

    $28 USD
    Galion, OH
  • HPS HAMMOND POWER,PH50PG, TRANSFORMER NEW

    HPS HAMMOND POWER,PH50PG, TRANSFORMER NEW IN BOX

    • Manufacturer: Hammond

    NEW UNUSED!!......NOS PLEASE SEE PICTURES FOR DETAILS AND CONDITION..YOU WILL RECIEVE WHAT IS IN THE PICTURES...IF WE HAVE MULTIPLES OF THE SAME ITEM,THE PICTURE MAY DIFFER...PLEASE REVIEW THE PICTURES TO VERIFY ...

    $48 USD
    Galion, OH
  • RELIANCE ELECTRIC,64670-11R,TRANSFORMER RATIO 1:220 NOS

    RELIANCE ELECTRIC,64670-11R,TRANSFORMER RATIO 1:220 NOS

    • Manufacturer: Reliance 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 ...

    $25 USD
    Galion, OH
  • Signal Transformer,241-6-28,Transformer

    Signal Transformer,241-6-28,Transformer

    • Manufacturer: Signal

    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...

    $25 USD
    Galion, OH
  • ACME,T-1-81047,BOOST AND BUCK TRANSFORMER VA:50

    ACME,T-1-81047,BOOST AND BUCK TRANSFORMER VA:50 1-PHASE NOS

    • Manufacturer: Acme

    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,9T51Y24,Power Transformer KVA 100

    General Electric,9T51Y24,Power Transformer KVA 100

    • Manufacturer: GE

    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...

    $75 USD
    Galion, OH
  • MILWAUKEE TRANSFORMER,X-148025,TRANSFORMER 175VA 230/460-115V

    MILWAUKEE TRANSFORMER,X-148025,TRANSFORMER 175VA 230/460-115V

    • Manufacturer: Milwaukee

    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
  • 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
  • NUTONE,MODEL 320-T,TRANSFORMER 8-16-24 VOLTS 20

    NUTONE,MODEL 320-T,TRANSFORMER 8-16-24 VOLTS 20 WATTS NOS

    • Manufacturer: NuTone

    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 ...

    $25 USD
    Galion, OH
  • Westinghouse,1000 KVA, Three Phase Oil

    Westinghouse,1000 KVA, Three Phase Oil Filled Transformer HV 2400 LV 240

    • Manufacturer: Westinghouse

    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 ...

    $10,500 USD

    Get financing

    Est. $206/mo

    Galion, OH
23456

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.