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Used Power Transformers in Ohio, USA

  • Square D,500SV1B,1-Phase Transformer 0.500VA 240/480VAC

    Square D,500SV1B,1-Phase Transformer 0.500VA 240/480VAC

    • Manufacturer: Square D

    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...

    $110 USD
    Galion, OH
  • P&H,75Q89-D1,CONTROL TRANSFORMER 0.500KVA PRI 240/480V

    P&H,75Q89-D1,CONTROL TRANSFORMER 0.500KVA PRI 240/480V SEC 120V

    • 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 ...

    $55 USD
    Galion, OH
  • Siemens,4AM3442 8DN00 0EA0,Transformer 50/60HZ 0.1/0.31kVA

    Siemens,4AM3442 8DN00 0EA0,Transformer 50/60HZ 0.1/0.31kVA

    • Manufacturer: Siemens

    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
  • MICRON INDUSTRIES,B300PU1519JJ,CONTROL TRANSFORMER 300VA 240-480V

    MICRON INDUSTRIES,B300PU1519JJ,CONTROL TRANSFORMER 300VA 240-480V PRI 120-240V

    • 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 ...

    $80 USD
    Galion, OH
  • GE,9T58K0504G37,Transformer 1-Phase Type IP 60Hz

    GE,9T58K0504G37,Transformer 1-Phase Type IP 60Hz 0.150 kVA

    • Manufacturer: GE

    Refurbished 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 picture...

    $80 USD
    Galion, OH
  • ACME,TA-83220,CONTROL TRANSFORMER 1KVA PRI 240X480V

    ACME,TA-83220,CONTROL TRANSFORMER 1KVA PRI 240X480V SEC 120X240V

    • 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 ...

    $75 USD
    Galion, OH
  • SQUARE D,EX30T3H,TRANSFORMER 3OKVA 3PH PRI

    SQUARE D,EX30T3H,TRANSFORMER 3OKVA 3PH PRI 480D SEC 208Y/120

    • Manufacturer: Square D

    WILL ARRANGE SHIPPING WITH BUYER SKIDDED WEIGHT 490LBS 28X32X38 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 ...

    $500 USD
    Galion, OH
  • Square D,750SV1F,Transformer .750kVA 1PH Primary

    Square D,750SV1F,Transformer .750kVA 1PH Primary 480/240V SEC 240/120V

    • Manufacturer: Square D

    New unused without original box 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 t...

    $175 USD
    Galion, OH
  • General Electric,MC-63 700X84-G1,Phase Shifting Transformer

    General Electric,MC-63 700X84-G1,Phase Shifting Transformer 120V

    • Manufacturer: GE

    New unused, NOS, no box was in an inventory cabinet. 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 ...

    $180 USD
    Galion, OH
  • P&H,75Z354-D1,CONTROL TRANSFORMER 0.365KVA PRI 230/460V

    P&H,75Z354-D1,CONTROL TRANSFORMER 0.365KVA PRI 230/460V SEC 90/120V

    • 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 ...

    $55 USD
    Galion, OH
  • GE,9T51B0010,1-Phase Transformer Type QB 1.00kVA

    GE,9T51B0010,1-Phase Transformer Type QB 1.00kVA 60Hz Class 180

    • 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...

    $85 USD
    Galion, OH
  • ALLEN BRADLEY,40022-050-03,DRY TYPE TRANSFORMER 25KV

    ALLEN BRADLEY,40022-050-03,DRY TYPE TRANSFORMER 25KV HV 480V LV 240V/120V 1PH

    • Manufacturer: Allen-Bradley

    WILL ARRANGE SHIPPING WITH BUYER 280LBS 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 then ...

    $750 USD
    Galion, OH
  • ACME,T-2-53013-4S,TRANSFORMER 3KVA PRI 240X480V SEC

    ACME,T-2-53013-4S,TRANSFORMER 3KVA PRI 240X480V SEC 120/240V 1PH

    • 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 ...

    $150 USD
    Galion, OH
  • General Electric,9T51Y28,Dry-Type Power Transformer

    General Electric,9T51Y28,Dry-Type Power Transformer

    • 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...

    $68 USD
    Galion, OH
  • DONGAN,N10-LF3X-NB,INDUSTRIAL IGNITION TRANSFORMER 480V 60HZ

    DONGAN,N10-LF3X-NB,INDUSTRIAL IGNITION TRANSFORMER 480V 60HZ NEW

    • Manufacturer: Dongan

    New in original box. 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...

    $250 USD
    Galion, OH
2324252627

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.