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Used Power Transformers in Ohio, USA

  • Marelco,M-10822S,7.5kVA Transformer 44A724699.004

    Marelco,M-10822S,7.5kVA Transformer 44A724699.004

    • Manufacturer: Marelco

    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 s...

    $220 USD
    Galion, OH
  • Transformatik,61305-901,1-Phase Control Transformer 60Hz 400VA

    Transformatik,61305-901,1-Phase Control Transformer 60Hz 400VA 115V

    • Manufacturer: Transformatik

    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 the part number(s) m...

    $75 USD
    Galion, OH
  • NuTone,101-N,Class 2 Doorbell Transformer 16V

    NuTone,101-N,Class 2 Doorbell Transformer 16V 60 Cycles Line 120

    • Manufacturer: NuTone

    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...

    $18 USD
    Galion, OH
  • MICRON INDUSTRIES,B500MBT713RK,CONTROL TRANSFORMER 500VA NOS

    MICRON INDUSTRIES,B500MBT713RK,CONTROL TRANSFORMER 500VA NOS

    • 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 ...

    $275 USD
    Galion, OH
  • ROMAN,T46680SB1DUWX,WELD TRANSFORMER 40KVA 480V

    ROMAN,T46680SB1DUWX,WELD TRANSFORMER 40KVA 480V

    • Manufacturer: Roman

    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 ...

    $450 USD
    Galion, OH
  • Basler,TRR00475,Transformer 75VA 120/208/240/480V NOS

    Basler,TRR00475,Transformer 75VA 120/208/240/480V NOS

    • Manufacturer: Basler

    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...

    $45 USD
    Galion, OH
  • RIB,TR75VA003,Transformer 24Vac 75VA 277V

    RIB,TR75VA003,Transformer 24Vac 75VA 277V

    • Manufacturer: RIB

    New unused without original box 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...

    $45 USD
    Galion, OH
  • RELIANCE ELECTRIC,69000-8W,TRANSFORMER 460V AC 50/60HZ

    RELIANCE ELECTRIC,69000-8W,TRANSFORMER 460V AC 50/60HZ NOS

    • Manufacturer: Reliance Electric

    RELIANCE ELECTRIC,69000-8W,TRANSFORMER 460V AC 50/60HZ 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 then ...

    $325 USD
    Galion, OH
  • MICROTRAN TAMURA,PSD5-48/3FD-548,TRANSFORMER LOT OF 4

    MICROTRAN TAMURA,PSD5-48/3FD-548,TRANSFORMER LOT OF 4 NOS

    • Manufacturer: MICROTRAN-TAMURA

    MICROTRAN TAMURA,PSD5-48/3FD-548,TRANSFORMER LOT OF 4 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 then i...

    $40 USD
    Galion, OH
  • Trusted Seller
    MO-6365, ELECTRIC SERVICE 2000/2666 KVA

    MO-6365, ELECTRIC SERVICE 2000/2666 KVA DRY TRANSFORMER. 13800 HV. 480Y/277 LV.

    • Manufacturer: The Electric Service Co.

    “Contact us directly for a freight quote or you can setup your own freight. Please provide ship to address. Loading is included with the sale of the item.”

    $35,000 USD

    Get financing

    Est. $659/mo

    Willoughby, OH
  • ALLEN BRADLEY,25634-141-01,TRANSFORMER .075KVA 240/480V

    ALLEN BRADLEY,25634-141-01,TRANSFORMER .075KVA 240/480V

    • Manufacturer: Allen-Bradley

    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
  • JOSLYN CLARK,KTR672,TRANSFORMER 45VA 240/480 VOLT

    JOSLYN CLARK,KTR672,TRANSFORMER 45VA 240/480 VOLT .045 KVA NOS

    • Manufacturer: Clark

    JOSLYN CLARK,KTR672,TRANSFORMER 45VA 240/480 VOLT .045 KVA 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 t...

    $335 USD
    Galion, OH
  • P&H,75Q314D1,Control Transformer 300VA 50/60HZ

    P&H,75Q314D1,Control Transformer 300VA 50/60HZ

    • Manufacturer: P & H

    New unused without original box 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...

    $300 USD
    Galion, OH
  • Trusted Seller
    MO-6116, AMETEK 25 KVA REGULATING

    MO-6116, AMETEK 25 KVA REGULATING TRANSFORMER. IPC 1025. 480 VAC. 1 PH. 208.3 A.

    • Manufacturer: AMETEK Powervar

    “Contact us directly for a freight quote or you can setup your own freight. Please provide ship to address. Loading is included with the sale of the item.”

    $4,500 USD
    Willoughby, OH
  • Trusted Seller
    MO-5811, OLSUN 1500/2000 KVA DRY

    MO-5811, OLSUN 1500/2000 KVA DRY TYPE TRANSFORMER. 4160 HV. 480 LV. YR: 2007.

    • Manufacturer: OLSUN

    “Contact us directly for a freight quote or you can setup your own freight. Please provide ship to address. Loading is included with the sale of the item.”

    $25,000 USD

    Get financing

    Est. $471/mo

    Willoughby, OH
7891011

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.