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Used transformator transformator in Ohio, USA

  • POWER TRANSFORMERS,PL2030,TRANSFORMER LOT OF 2

    POWER TRANSFORMERS,PL2030,TRANSFORMER LOT OF 2 PRE-OWNED

    • Manufacturer: POWER TRANSFORMERS

    POWER TRANSFORMERS,PL2030,TRANSFORMER LOT OF 2 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 photos then it...

    $50 USD
    Galion, OH
  • Control Transformer,Class 2 218739,Transformer 115V

    Control Transformer,Class 2 218739,Transformer 115V 50-60Cy 10VA

    • Manufacturer: Control Transformer

    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...

    $20 USD
    Galion, OH
  • TRANS TECH,CPT360224006,CONTROL POWER TRANSFORMER 2KVA

    TRANS TECH,CPT360224006,CONTROL POWER TRANSFORMER 2KVA 120/240V

    • Manufacturer: Trans Tech

    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
  • MILWAUKEE TRANSFORMER,X-148025,TRANSFORMER 175VA 230/460-115V

    MILWAUKEE TRANSFORMER,X-148025,TRANSFORMER 175VA 230/460-115V

    • Manufacturer: Milwaukee

    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
  • 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
  • Dongan,36-05-N,Transformer .050 KVA 60 HZ

    Dongan,36-05-N,Transformer .050 KVA 60 HZ

    • 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 ...

    $20 USD
    Galion, OH
  • Transformers Inc,050025,Transformer 2 KVA

    Transformers Inc,050025,Transformer 2 KVA

    • Manufacturer: Transformers inc

    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...

    $96 USD
    Galion, OH
  • Signal Transformer,241-7-16,Transformer Enclosure

    Signal Transformer,241-7-16,Transformer Enclosure

    • Manufacturer: Signal Transformer

    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...

    $130 USD
    Galion, OH
  • Transformer Engineering Corp,400-5 Ratio 600V

    Transformer Engineering Corp,400-5 Ratio 600V 50 VA 60 Cycles

    • Manufacturer: Transformer Engineering Corp

    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
  • Dongan,35-M015,120/240V .15KVA Transformer

    Dongan,35-M015,120/240V .15KVA Transformer

    • 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 ...

    $24 USD
    Galion, OH
  • Control Transformer,8FP11-1,DC TANK REACTOR CHOKE

    Control Transformer,8FP11-1,DC TANK REACTOR CHOKE 350 Microhenry 300 Amps

    • Manufacturer: control transformer

    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
  • Trusted Seller
    Hammond Power Solutions Industrial Control

    Hammond Power Solutions Industrial Control Transformer - Ph500mqmj

    • Manufacturer: Hammond

    New, Industrial Control Transformer, Made In China

    $80 USD
    Euclid, OH
  • TRIAD MAGNETICS,F-260U,POWER TRANSFORMER NOS

    TRIAD MAGNETICS,F-260U,POWER TRANSFORMER NOS

    • Manufacturer: Triad

    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
  • Trusted Seller
    Rex Power Magnetics 30 Kva

    Rex Power Magnetics 30 Kva Transformer - Rc30c1-x

    • Manufacturer: Rex Power Magnetics

    Name: Transformer | Arrival date: 04-01-2025 | Dimensions l x w x h (inches): 16 x 11 x 12 | Capacity: 30 KVA | Electrical: 3/60/230/260 | Weight (lb.): 30 | Available quantity: 1

    $80 USD
    Euclid, OH
  • Trusted Seller
    Hammond Power Solutions 1000 Va

    Hammond Power Solutions 1000 Va Industrial Control Transformer - Ph1000mqmj

    • Manufacturer: Hammond

    New No Box, Made In China Name: Industrial Control Transformer | Arrival date: 10-13-2025 | Dimensions l x w x h (inches): 6 x 8 x 5 | Capacity: 1000 VA | Electrical: 50/60/440/480 | Weight (lb.): 23 | Available ...

    $90 USD
    Euclid, OH
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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.