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Used Power Transformers in Ohio, USA

  • Hammond,D175JCUB1TH,Transformer 175KVA HV 460V-LV 230Y/133V,3PH

    Hammond,D175JCUB1TH,Transformer 175KVA HV 460V-LV 230Y/133V,3PH

    • 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 ...

    $3,250 USD
    Galion, OH
  • GE,9T58K2935,TRANSFORMER 3KVA HV 240X480 LV

    GE,9T58K2935,TRANSFORMER 3KVA HV 240X480 LV 120X240 1PH

    • Manufacturer: GE

    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 ...

    $250 USD
    Crestline, 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,9T51B0052,TRANSFORMER 2KVA PRI 480V

    GENERAL ELECTRIC,9T51B0052,TRANSFORMER 2KVA PRI 480V SEC 120/240V 1PH

    • Manufacturer: GE

    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 ...

    $550 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
  • EGS,HS1F1BS,1-Phase Hevi-Duty General Purpose Transformer

    EGS,HS1F1BS,1-Phase Hevi-Duty General Purpose Transformer 60hz 1.0KVA

    • Manufacturer: Hevi-Duty
    • Model: HS1F

    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...

    $150 USD
    Galion, OH
  • GE,9T51B0170,Transformer 1KVA Phase 1 Primary

    GE,9T51B0170,Transformer 1KVA Phase 1 Primary 380/400/416V Secondary 120/240V

    • Manufacturer: GE

    New unused no box, NOS, some tarnish 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...

    $120 USD
    Galion, OH
  • EATON MOELLER,STN-0.63S003,TRANSFORMER 409973/18 600VA PRI

    EATON MOELLER,STN-0.63S003,TRANSFORMER 409973/18 600VA PRI 200-230V SEC 100-120V

    • Manufacturer: Eaton

    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 su...

    $88 USD
    Galion, OH
  • Square D,9070 MN500G0,Transformer Disconnect 500VA

    Square D,9070 MN500G0,Transformer Disconnect 500VA 230/460V 50/60Hz

    • Manufacturer: Square D

    Used in good condition. Part was pulled from operation upon factory shutdown and has been in storage since. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multi...

    $92 USD
    Galion, OH
  • Square D,9070TF500D1,Control Transformer 50/60Hz 0.5/0.3kVA

    Square D,9070TF500D1,Control Transformer 50/60Hz 0.5/0.3kVA

    • Manufacturer: Square D
    • Model: 9070TF500D1

    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...

    $65 USD
    Galion, OH
  • SQUARE D,250SV1B,GENERAL PURPOSE TRANSFORMER PRE-480-240V

    SQUARE D,250SV1B,GENERAL PURPOSE TRANSFORMER PRE-480-240V SEC-240/120-120/240

    • Manufacturer: Square D

    SQUARE D,250SV1B,GENERAL PURPOSE TRANSFORMER PRE-480-240V SEC-240/120-120/240 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 ...

    $100 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...

    $200 USD
    Galion, OH
  • SQUARE D,9070-K50D1,INDUSTRIAL CONTROL TRANSFORMER .050

    SQUARE D,9070-K50D1,INDUSTRIAL CONTROL TRANSFORMER .050 KVA 50HZ .050 KVA 60HZ

    • Manufacturer: Square D

    SQUARE D,9070-K50D1,INDUSTRIAL CONTROL TRANSFORMER .050 KVA 50HZ .050 KVA 60HZ 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...

    $30 USD
    Galion, OH
  • GENERAL ELECTRIC,9T58L2802,CORE & COIL TRANSFORMER

    GENERAL ELECTRIC,9T58L2802,CORE & COIL TRANSFORMER .050KVA 120/240 240X480V NEW

    • Manufacturer: GE

    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
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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.