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Used Power Transformers in Ohio, USA

  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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,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
  • SQUARE D,9070TF500D1,CONTROL TRANSFORMER 0.5KVA PRI

    SQUARE D,9070TF500D1,CONTROL TRANSFORMER 0.5KVA PRI 220/240V SEC 440/480V

    • Manufacturer: Square D
    • Model: 9070TF500D1

    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
  • HAMMOND,JR6YYNT,DRY TYPE TRANSFORMER 6KVA TYPE

    HAMMOND,JR6YYNT,DRY TYPE TRANSFORMER 6KVA TYPE J HV 460V LV 460Y/265 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 ...

    $225 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.