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Used Power Transformers in Ohio, USA

  • Adjust-A-Volt,T51U,Variable Transformer (G078)

    Adjust-A-Volt,T51U,Variable Transformer (G078)

    • Manufacturer: Standard 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 ...

    $50 USD
    Galion, OH
  • Dormeyer Products,8626-3,Transformer 460V 60HZ

    Dormeyer Products,8626-3,Transformer 460V 60HZ

    • Manufacturer: Dormeyer

    Used and in very 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 ...

    $40 USD
    Galion, OH
  • NUNOME ELECTRIC,L32930,TRANSFORMER 55VA NOS

    NUNOME ELECTRIC,L32930,TRANSFORMER 55VA 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 ...

    $40 USD
    Galion, OH
  • FERN,N-050E,INDUSTRIAL CONTROL TRANSFORMER .050KVA

    FERN,N-050E,INDUSTRIAL CONTROL TRANSFORMER .050KVA

    • Manufacturer: FERN

    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
  • MICRON INDUSTRIES,C050BTZ15,INDUSTRIAL CONTROL TRANSFORMER

    MICRON INDUSTRIES,C050BTZ15,INDUSTRIAL CONTROL TRANSFORMER

    • 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 ...

    $35 USD
    Galion, OH
  • Square D,9070 EO-3,Industrial Control Transformer

    Square D,9070 EO-3,Industrial Control Transformer

    • 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 ...

    $32 USD
    Galion, OH
  • Signal Transformer,241-6-28,Transformer

    Signal Transformer,241-6-28,Transformer

    • Manufacturer: Signal

    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...

    $25 USD
    Galion, OH
  • Hevi-Duty,E0603PB,Industrial Control Transformer

    Hevi-Duty,E0603PB,Industrial Control Transformer

    • Manufacturer: Hevi-Duty

    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
  • SQUARE D,9070V800D35,TRANSFORMER 800KVA

    SQUARE D,9070V800D35,TRANSFORMER 800KVA

    • Manufacturer: Square D

    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...

    $300 USD
    Galion, OH
  • WEM,BV24855,TRANSFORMER 115/220V 50/60HZ

    WEM,BV24855,TRANSFORMER 115/220V 50/60HZ

    • Manufacturer: WEM

    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
  • NSD Corporation,3.1H-4.0 H,Transformer Chokecoil

    NSD Corporation,3.1H-4.0 H,Transformer Chokecoil

    • Manufacturer: NSD Corporation

    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
  • Square D,9070T5200D1,Industrial Control Transformer

    Square D,9070T5200D1,Industrial Control Transformer

    • 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 ...

    $20 USD
    Galion, OH
  • ACME,TA-2-54536,INDUSTRIAL CONTROL TRANSFORMER VA:100 1-PHASE

    ACME,TA-2-54536,INDUSTRIAL CONTROL TRANSFORMER VA:100 1-PHASE NOS

    • 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 ...

    $100 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
  • Hevi-Duty,D-44310,75VA Type SXO Industrial Control

    Hevi-Duty,D-44310,75VA Type SXO Industrial Control Transformer

    • Manufacturer: Hevi-Duty

    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 ...

    $38 USD
    Galion, OH
56789

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.