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New Power Transformers in Ohio, USA

  • Dayton,4VZE2G,Transformer Lot Of 3 NOS

    Dayton,4VZE2G,Transformer Lot Of 3 NOS

    • Manufacturer: Dayton

    New, boxes are dirty from storage. Lot of 3. 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 rev...

    $32 USD
    Galion, OH
  • GE,9T58K1803,Core & Coil Transformer

    GE,9T58K1803,Core & Coil Transformer

    • 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 ...

    $200 USD
    Galion, OH
  • Teknik,ENL20052/V4 555 698,24V Transformer

    Teknik,ENL20052/V4 555 698,24V Transformer

    • Manufacturer: Teknik

    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 ...

    $85 USD
    Galion, OH
  • NUNOME ELECTRIC,L32929,TRANSFORMER 100VA NOS

    NUNOME ELECTRIC,L32929,TRANSFORMER 100VA NOS

    • Manufacturer: NUNOME ELECTRIC

    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 ...

    $60 USD
    Galion, OH
  • RIB,TR20VA007,TRANSFORMER LOT OF 2 NEW

    RIB,TR20VA007,TRANSFORMER LOT OF 2 NEW

    • Manufacturer: RIB

    New in original boxes, dirty from storage. Lot of 2. 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. Pl...

    $20 USD
    Galion, OH
  • P&H,75Z653-D3,TRANSFORMER .055KVA NOS

    P&H,75Z653-D3,TRANSFORMER .055KVA NOS

    • Manufacturer: P & H

    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 ...

    $50 USD
    Galion, OH
  • GE,9T58B1805,Specialty Transformer Type-IP

    GE,9T58B1805,Specialty Transformer Type-IP

    • 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 ...

    $560 USD
    Galion, OH
  • Dongan,83-20-1515,Transformer 20Kva 480V 3Phase

    Dongan,83-20-1515,Transformer 20Kva 480V 3Phase

    • Manufacturer: Dongan

    New unused older stock. We will arrange shipping with the buyer. The weight is 375Lbs and the measurements are 28"x28"x24". Please see pictures for details and condition. You will receive what’s in the pictures. ...

    $700 USD
    Galion, OH
  • GS,Y750,HEAVY DUTY CONTROL CIRCUIT TRANSFORMER

    GS,Y750,HEAVY DUTY CONTROL CIRCUIT TRANSFORMER 750 KVA NOS

    • Manufacturer: Sola/Hevi-Duty

    New 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 pictures to...

    $56 USD
    Galion, OH
  • Dormeyer Industries,DCT-20-120,Transformer 120V 50-60Hz

    Dormeyer Industries,DCT-20-120,Transformer 120V 50-60Hz

    • Manufacturer: Dormeyer Industries

    New unused with 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 pictures...

    $30 USD
    Galion, OH
  • P&H,75Q319D1,TRANSFORMER 250VA NOS

    P&H,75Q319D1,TRANSFORMER 250VA NOS

    • Manufacturer: P & H

    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,368B530P1,Transformer 110V NOS

    GE,368B530P1,Transformer 110V NOS

    • Manufacturer: GE

    New 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 pictures to...

    $60 USD
    Galion, OH
  • ALLEN-BRADLEY,X-208238,TRANSFORMER 120V 60/50CY NOS

    ALLEN-BRADLEY,X-208238,TRANSFORMER 120V 60/50CY NOS

    • Manufacturer: Allen-Bradley

    ALLEN-BRADLEY,X-208238,TRANSFORMER 120V 60/50CY 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 it will...

    $15 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
  • REVERE,RT-1850SL/M,PLUG IN TRANSFORMER 18VAC 50VA

    REVERE,RT-1850SL/M,PLUG IN TRANSFORMER 18VAC 50VA NOS

    • Manufacturer: REVERE

    REVERE,RT-1850SL/M,PLUG IN TRANSFORMER 18VAC 50VA 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 it wi...

    $25 USD
    Galion, OH
45678

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.