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Used Power Transformers in Ohio, USA

  • 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
  • MICRON INDUSTRIES,C050BTZ15,INDUSTRIAL CONTROL TRANSFORMER PRI

    MICRON INDUSTRIES,C050BTZ15,INDUSTRIAL CONTROL TRANSFORMER PRI 230/460 SEC 120

    • Manufacturer: MICRON INDUSTRIES

    MICRON INDUSTRIES,C050BTZ15,INDUSTRIAL CONTROL TRANSFORMER PRI 230/460 SEC 120 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...

    $70 USD
    Galion, OH
  • EMERSON SOLA,E150,HEVI-DUTY CONTROL TRANSFORMER .150KVA

    EMERSON SOLA,E150,HEVI-DUTY CONTROL TRANSFORMER .150KVA 50/60HZ NOS

    • 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 ...

    $75 USD
    Galion, OH
  • Square D,9070T50D1SF41,Control Transformer 0.05 kVA

    Square D,9070T50D1SF41,Control Transformer 0.05 kVA

    • Manufacturer: Square D

    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...

    $65 USD
    Galion, OH
  • Daykin Electric,MDGTB-07,Midget Transformers Disconnect 480V

    Daykin Electric,MDGTB-07,Midget Transformers Disconnect 480V 1.1A 60Hz

    • Manufacturer: Electric

    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 ...

    $50 USD
    Galion, OH
  • Nunome Electric,NESH1200MUL08002-10,Transformer 1.2k 50/60Hz

    Nunome Electric,NESH1200MUL08002-10,Transformer 1.2k 50/60Hz

    • Manufacturer: Nunome Electric

    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...

    $280 USD
    Galion, OH
  • AJAX,1T83440,TRANSFORMER 1KVA 1PH PRI 480V

    AJAX,1T83440,TRANSFORMER 1KVA 1PH PRI 480V SEC 120V

    • Manufacturer: Ajax

    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
  • GE,9T51B0052,TRANSFORMER 2KVA PR 480V SEC

    GE,9T51B0052,TRANSFORMER 2KVA PR 480V SEC 120/240V

    • 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 ...

    $140 USD
    Galion, OH
  • ACME ELECTRIC,TB75N014,CONTROL TRANSFORMER 240X480V NEW

    ACME ELECTRIC,TB75N014,CONTROL TRANSFORMER 240X480V NEW

    • 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 ...

    $75 USD
    Galion, OH
  • GENERAL ELECTRIC,9T58R0046,TRANSFORMER .2KVA 240X480-115V NOS

    GENERAL ELECTRIC,9T58R0046,TRANSFORMER .2KVA 240X480-115V NOS

    • 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 ...

    $55 USD
    Galion, OH
  • SQUARE D,9070-SK5271N,TRANSFORMER DISCONNECT .87-1.09/.43-.54A 50/60

    SQUARE D,9070-SK5271N,TRANSFORMER DISCONNECT .87-1.09/.43-.54A 50/60 HZ

    • 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 ...

    $48 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
  • EMERSON,E300,HEVI-DUTY CONTROL TRANSFORMER .300KVA 240X480-120V

    EMERSON,E300,HEVI-DUTY CONTROL TRANSFORMER .300KVA 240X480-120V NOS

    • Manufacturer: Emerson

    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 ...

    $95 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.