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Used Power Transformers in Ohio, USA

  • Marelco,M-10822S,7.5kVA Transformer 44A724699.004

    Marelco,M-10822S,7.5kVA Transformer 44A724699.004

    • Manufacturer: Marelco

    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...

    $224 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
  • SQUARE D,9070V800D35,TRANSFORMER 800KVA

    SQUARE D,9070V800D35,TRANSFORMER 800KVA

    • Manufacturer: Square D

    Used 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 make s...

    $300 USD
    Galion, OH
  • SIGNAL TRANSFORMER,DP-241-7-10,TRANSFORMER NOS

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

    • Manufacturer: Signal

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

    $20 USD
    Galion, OH
  • ACME,TA-2-54537,INDUSTRIAL CONTROL TRANSFORMER VA:150 1-PHASE

    ACME,TA-2-54537,INDUSTRIAL CONTROL TRANSFORMER VA:150 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 ...

    $100 USD
    Galion, OH
  • ALLEN-BRADLEY,X-208238,TRANSFORMER 120V 60/50CY NOS

    ALLEN-BRADLEY,X-208238,TRANSFORMER 120V 60/50CY NOS

    • Manufacturer: Allen-Bradley

    ALLEN-BRADLEY,X-208238,TRANSFORMER 120V 60/50CY 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...

    $15 USD
    Galion, OH
  • ACME,TA-2-54536,INDUSTRIAL CONTROL TRANSFORMER VA:100 1-PHASE

    ACME,TA-2-54536,INDUSTRIAL CONTROL TRANSFORMER VA:100 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 ...

    $100 USD
    Galion, OH
  • Transformatik,61305-901,1-Phase Control Transformer 60Hz 400VA

    Transformatik,61305-901,1-Phase Control Transformer 60Hz 400VA 115V

    • Manufacturer: Transformatik

    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...

    $75 USD
    Galion, OH
  • Marelco,M-10822S,7.5kVA Transformer 44A724699.004

    Marelco,M-10822S,7.5kVA Transformer 44A724699.004

    • Manufacturer: Marelco

    Used 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 make s...

    $220 USD
    Galion, OH
  • NuTone,101-N,Class 2 Doorbell Transformer 16V

    NuTone,101-N,Class 2 Doorbell Transformer 16V 60 Cycles Line 120

    • Manufacturer: NuTone

    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...

    $18 USD
    Galion, OH
  • MICRON INDUSTRIES,B500MBT713RK,CONTROL TRANSFORMER 500VA NOS

    MICRON INDUSTRIES,B500MBT713RK,CONTROL TRANSFORMER 500VA NOS

    • Manufacturer: Micron

    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 ...

    $275 USD
    Galion, OH
  • ROMAN,T46680SB1DUWX,WELD TRANSFORMER 40KVA 480V

    ROMAN,T46680SB1DUWX,WELD TRANSFORMER 40KVA 480V

    • Manufacturer: Roman

    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 ...

    $450 USD
    Galion, OH
  • HAMMOND MANUFACTURING,PT500MQMJ,TRANSFORMER 500VA 50/60HZ

    HAMMOND MANUFACTURING,PT500MQMJ,TRANSFORMER 500VA 50/60HZ

    • Manufacturer: Hammond

    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 ...

    $45 USD
    Galion, OH
  • Trusted Seller
    MO-6497, GE PADMOUNT TRANSFORMER. 2000/2240

    MO-6497, 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
678910

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.