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New Power Transformers in Texas, USA

  • Trusted Seller
    Eaton RS57 Transformer Rodent Screen

    Eaton RS57 Transformer Rodent Screen Kit Power Transformers

    • Manufacturer: Eaton

    “New!” SPECIFICATIONS Application Commercial / Institutional Buildings / Structures - Commercial / Institutional Buildings / Structures - Other Approximate Weight 1 Brand Eaton Catalog Number RS57 Dimensions 21.8...

    $600 USD
    Chico, TX
  • Trusted Seller
    Square D MPZB7S40FSS Unit Substation

    Square D MPZB7S40FSS Unit Substation Mini Power-zone 7.5 KVA 1 Phase 480-120/240 Power Transformers

    • Manufacturer: Square D

    Square D MPZB7S40FSS Unit Substation Mini Power-zone 7.5 KVA 1 Phase 480-120/240

    $6,300 USD

    Get financing

    Est. $124/mo

    Chico, TX
  • Unknown,TR-16102,Transformer

    Unknown,TR-16102,Transformer

    • Manufacturer: Unbranded

    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 ...

    $28 USD
    Galion, OH
  • Shape Electronics,W8509,Transformer

    Shape Electronics,W8509,Transformer

    • Manufacturer: Shape Electronics

    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 ...

    $28 USD
    Galion, OH
  • Unknown,10701-01E,Transformer 605 0349

    Unknown,10701-01E,Transformer 605 0349

    • Manufacturer: Unbranded

    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 ...

    $28 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
  • 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
  • UNIVERSAL ENTERPRISES,UL1585,FOOT MOUNT TRANSFORMER 120

    UNIVERSAL ENTERPRISES,UL1585,FOOT MOUNT TRANSFORMER 120 VAC 50/60HZ NOS

    • Manufacturer: UNIVERSAL

    UNIVERSAL ENTERPRISES,UL1585,FOOT MOUNT TRANSFORMER 120 VAC 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...

    $30 USD
    Galion, OH
  • HITRAN,WI0110-00,INSULATED DRY TYPE TRANSFORMER 1000KVA

    HITRAN,WI0110-00,INSULATED DRY TYPE TRANSFORMER 1000KVA PRI 480 TO 1140Y/658

    • Manufacturer: Hitran

    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 ...

    $8,500 USD

    Get financing

    Est. $167/mo

    Galion, OH
  • Daihen,100kVA,Transformer JEC-2200-1995 Pr 460V Sec

    Daihen,100kVA,Transformer JEC-2200-1995 Pr 460V Sec 210-105 Single Phase

    • Manufacturer: Daihen

    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 ...

    $2,000 USD
    Galion, OH
  • ALLEN BRADLEY,80022-197-12 3 KVA, TRANSFORMER

    ALLEN BRADLEY,80022-197-12 3 KVA, TRANSFORMER PRI 480V SEC 120V 1PH

    • 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 ...

    $850 USD
    Galion, OH
  • Emerson,DT651H51S 51KVA,Transformer HV 460V Low

    Emerson,DT651H51S 51KVA,Transformer HV 460V Low 460Y/266 3PH

    • Manufacturer: Emerson

    New Unused will arrange shipping with buyer Skidded 376Lbs Measuring 30"x32"x33" Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the ...

    $1,200 USD
    Galion, OH

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.