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Used Power Transformers in Ohio, USA

  • DONGAN,33-025,TRANSFORMER NOS

    DONGAN,33-025,TRANSFORMER NOS

    • Manufacturer: Dongan

    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
  • ACME TRANSFORMER,TA-1-81020,MACHINE TOOL TRANSFORMER 300VA

    ACME TRANSFORMER,TA-1-81020,MACHINE TOOL TRANSFORMER 300VA

    • 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 ...

    $40 USD
    Galion, OH
  • DORMEYER,9020,TRANSFORMER

    DORMEYER,9020,TRANSFORMER

    • Manufacturer: DORMEYER

    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 ...

    $20 USD
    Galion, OH
  • EDWARDS,592,TRANSFORMER

    EDWARDS,592,TRANSFORMER

    • Manufacturer: Edwards

    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 ...

    $15 USD
    Galion, OH
  • SQUARE D 3KVA 3PH TRANSFORMER

    SQUARE D 3KVA 3PH TRANSFORMER 3T2F HV 480D LV 208Y/120 NEW

    • Manufacturer: Square D

    SQUARE D 3KVA 3PH TRANSFORMER 3T2F HV 480D LV 208Y/120 NEW. Condition is Used. Local pickup only. A & L Industries or Tooltimes2 has been on eBay for 23 plus years. We can help you with parts or whole machines a...

    $999 USD
    Graytown, OH
  • ACME TRANSFORMER.TA-2-81020,INDUSTRIAL CONTROL TRANSFORMER 300VA

    ACME TRANSFORMER.TA-2-81020,INDUSTRIAL CONTROL TRANSFORMER 300VA

    • 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 ...

    $40 USD
    Galion, OH
  • Trusted Seller
    75 KVA HAMMOND POWER SOLUTIONS

    75 KVA HAMMOND POWER SOLUTIONS TRANSFORMER. #0313122

    • Manufacturer: Hammond

    MANUFACTURER: HAMMOND POWER SOLUTIONS HV: 480 LV: 240 KVA: 75 COOLING: AA FREQUENCY: 60 HZ IMPEDANCE %: 5.2 WINDING MATERIAL: A1

    Toledo, OH
  • Trusted Seller
    75 KVA HAMMOND POWER SOLUTIONS

    75 KVA HAMMOND POWER SOLUTIONS TRANSFORMER. #0312922

    • Manufacturer: Hammond

    MANUFACTURER: HAMMOND POWER SOLUTIONS HV: 480 LV: 240 KVA: 75 COOLING: AA FREQUENCY: 60 HZ IMPEDANCE %: 5.2 WINDING MATERIAL: A1

    Toledo, OH
  • Gass,BV 17590,Transformer

    Gass,BV 17590,Transformer

    • Manufacturer: Gass

    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 ...

    $44 USD
    Galion, OH
  • BASLER ELECTRIC,22703001,TRANSFORMER

    BASLER ELECTRIC,22703001,TRANSFORMER

    • Manufacturer: Basler

    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 ...

    $20 USD
    Galion, OH
  • Hammond Manufacturing,143838,Transformer

    Hammond Manufacturing,143838,Transformer

    • 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 ...

    $32 USD
    Galion, OH
  • WESTINGHOUSE,IF4575,TRANSFORMER

    WESTINGHOUSE,IF4575,TRANSFORMER

    • Manufacturer: Westinghouse

    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 ...

    $20 USD
    Galion, OH
  • Nunome Electric,53390,66VA Transformer

    Nunome Electric,53390,66VA Transformer

    • Manufacturer: Nunome

    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 ...

    $32 USD
    Galion, OH
  • Acme,TA-2-81005,Transformer

    Acme,TA-2-81005,Transformer

    • 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 ...

    $32 USD
    Galion, OH
  • SIGNAL TRANSFORMER,DST-5-28,SPLIT/TRAP TRANSFORMER 12VA 12/240

    SIGNAL TRANSFORMER,DST-5-28,SPLIT/TRAP TRANSFORMER 12VA 12/240 LOT OF 2

    • Manufacturer: Signal

    SIGNAL TRANSFORMER,DST-5-28,SPLIT/TRAP TRANSFORMER 12VA 12/240 LOT OF 2 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...

    $35 USD
    Galion, OH
23456

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.