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Used Power Transformers in Ohio, USA

  • K.K Sanwa,1SB1000,Transformer 1000kVA 100V 50/60Hz

    K.K Sanwa,1SB1000,Transformer 1000kVA 100V 50/60Hz

    • Manufacturer: Sanwa

    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...

    $85 USD
    Galion, OH
  • Moeller,Stz 0.8,Transformer 460V Pri 110V

    Moeller,Stz 0.8,Transformer 460V Pri 110V Sec 50-60 HZ

    • Manufacturer: Klöckner Moeller

    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...

    $48 USD
    Galion, OH
  • GE,55-172809G038,Control Transformer 240/480V- 24V 60Hz

    GE,55-172809G038,Control Transformer 240/480V- 24V 60Hz

    • 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 ...

    $24 USD
    Galion, OH
  • SQUARE D,9070T50D1,CONTROL TRANSFORMER 0.05KVA

    SQUARE D,9070T50D1,CONTROL TRANSFORMER 0.05KVA

    • Manufacturer: Square D
    • Model: 9070T50D1

    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,9070T150D13,CONTROL TRANSFORMER 0.15KVA

    SQUARE D,9070T150D13,CONTROL TRANSFORMER 0.15KVA

    • Manufacturer: Square D

    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 ...

    $30 USD
    Galion, OH
  • AUTOMATIC SWITCH CO.,106A203,TRANSFORMER CONT. DUTY

    AUTOMATIC SWITCH CO.,106A203,TRANSFORMER CONT. DUTY 125V DC PRE-OWNED

    • Manufacturer: AUTOMATIC SWITCH

    AUTOMATIC SWITCH CO.,106A203,TRANSFORMER CONT. DUTY 125V DC 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 p...

    $225 USD
    Galion, OH
  • General Electric,9T51B107,Transformers PH1 60 Hz

    General Electric,9T51B107,Transformers PH1 60 Hz Type QB

    • 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...

    $40 USD
    Galion, OH
  • EDWARDS,599,SIGNALING TRANSFORMER 120V AC PRIMARY

    EDWARDS,599,SIGNALING TRANSFORMER 120V AC PRIMARY 24V 40VA SECONDARY NEW

    • Manufacturer: Edwards

    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...

    $16 USD
    Galion, OH
  • HITRAN,WI0110-00,INSULATED DRY TYPE TRANSFORMER 1000KVA

    HITRAN,WI0110-00,INSULATED DRY TYPE TRANSFORMER 1000KVA PRI 480 TO 1140Y/658

    • Manufacturer: Hitran

    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 ...

    $8,500 USD

    Get financing

    Est. $167/mo

    Galion, OH
  • P&H,75Q330D1,INDUSTRIAL CONTROL TRANSFORMER 300VA 50/60HZ

    P&H,75Q330D1,INDUSTRIAL CONTROL TRANSFORMER 300VA 50/60HZ NOS

    • Manufacturer: P & H

    New, box is dirty and distressed 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 r...

    $400 USD
    Galion, OH
  • TRANS TEC OPT,2860,TRANSFORMER 3KVA PRI

    TRANS TEC OPT,2860,TRANSFORMER 3KVA PRI 480V SEC 208Y 3PH

    • Manufacturer: TRANS TEC

    REFURBISHED IN GOOD CONDITION 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 ...

    $300 USD
    Galion, OH
  • SQUARE D,9070-SK5271K-F30G13, TRANSFORMER DISCONNECT SWITCH

    SQUARE D,9070-SK5271K-F30G13, TRANSFORMER DISCONNECT SWITCH 600VAC

    • 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...

    $80 USD
    Galion, OH
  • Micron Industrial Control,C100BTZ13,Transformer 0.100 KVA

    Micron Industrial Control,C100BTZ13,Transformer 0.100 KVA 230/460 to 115V

    • Manufacturer: Micron

    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...

    $35 USD
    Galion, OH
  • GE,9T58B505G30,Transformer 20kva 60hz 1p

    GE,9T58B505G30,Transformer 20kva 60hz 1p

    • 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 ...

    $40 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 ...

    $144 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.