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Used Power Transformers in Ohio, USA

  • HAMMOND,D011JCUB,DRY TYPE TRANSFORMER 3PH 11KVA

    HAMMOND,D011JCUB,DRY TYPE TRANSFORMER 3PH 11KVA HV 460V LV 230Y/133V

    • Manufacturer: Hammond

    WILL ARRANGE SHIPPING WITH BUYER WEIGHT 220LBS MEASURING 24"X24"X25" 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 ph...

    $600 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...

    $140 USD
    Galion, OH
  • ALLEN BRADLEY,X-326539,CONTROL CIRCUIT TRANSFORMER PRI-220/440V

    ALLEN BRADLEY,X-326539,CONTROL CIRCUIT TRANSFORMER PRI-220/440V SEC-240/480V

    • Manufacturer: Allen-Bradley

    ALLEN BRADLEY,X-326539,CONTROL CIRCUIT TRANSFORMER PRI-220/440V SEC-240/480V 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 i...

    $45 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
  • GE,M9T22B4314,1-Phase Open Transformer 15 KVA

    GE,M9T22B4314,1-Phase Open Transformer 15 KVA 240/480 to 120/240V

    • 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...

    $400 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
    • Model: 9T51B0010

    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
  • 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
  • MAGNETEK,636-1191,TRANSFORMER CLASS 180 500VA 50/60HZ

    MAGNETEK,636-1191,TRANSFORMER CLASS 180 500VA 50/60HZ PRE-OWNED

    • Manufacturer: Magnetek

    MAGNETEK,636-1191,TRANSFORMER CLASS 180 500VA 50/60HZ PRE-OWNED 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 ...

    $155 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
  • GENERAL SIGNAL,E060,TYPE SBE HEAVY DUTY

    GENERAL SIGNAL,E060,TYPE SBE HEAVY DUTY INDUSTRIAL CONTROL TRANSFORMER PRE-OWNED

    • Manufacturer: Signal

    GENERAL SIGNAL,E060,TYPE SBE HEAVY DUTY INDUSTRIAL CONTROL TRANSFORMER PRE-OWNED 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 sho...

    $25 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
  • GE,9T58B0506G37,CORE & COIL TRANSFORMER .250

    GE,9T58B0506G37,CORE & COIL TRANSFORMER .250 KVA 480 V 60 HZ NOS

    • Manufacturer: GE

    GE,9T58B0506G37,CORE & COIL TRANSFORMER .250 KVA 480 V 60 HZ 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...

    $295 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
  • ACME ELECTRIC,T-81061,TRANSFORMER 1PHASE 240X480 24X48X

    ACME ELECTRIC,T-81061,TRANSFORMER 1PHASE 240X480 24X48X 50VA NOS

    • Manufacturer: Acme

    New, box is dirty from storage. 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...

    $36 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.