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Used Power Transformers in Texas, USA

  • QTY. 1. STACO ENERGY PRODUCTS

    QTY. 1. STACO ENERGY PRODUCTS VARIABLE TRANSFORMER

    • Manufacturer: Staco

    QTY. 1. STACO ENERGY PRODUCTS VARIABLE TRANSFORMER INPUT 110V OUTPUT 0 TO 150V. 10 AMP.(VARIAC)

    Texas City, TX
  • Cutler Hammer 112.5kVA 480V 60Hz

    Cutler Hammer 112.5kVA 480V 60Hz Transformer 208Y/120 3P 4W V48M28T12H 🟦

    • Manufacturer: Cutler-Hammer
    • Model: V48M28T
    • Phase type: Three-phase

    Cutler Hammer 112.5kVA 480V 60Hz Transformer 208Y/120 3P 4W V48M28T12H ***30-day Warranty- Guaranteed to work or your money back.*** ***This item may exhibit signs of prior use, such as scratches, scuffs, or dent...

    $2,643 USD
    Arlington, TX
  • MGM,300KVA 3 Phase Dry Type

    MGM,300KVA 3 Phase Dry Type Transformer HV 2400 LV 208Y/120 60 Hz

    • Manufacturer: MGM

    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 ...

    $4,800 USD
    Galion, OH
  • QTY. 1. SUPERIOR ELECTRIC POWERSTAT

    QTY. 1. SUPERIOR ELECTRIC POWERSTAT VARIABLE AUTO TRANSFORMER

      QTY. 1. SUPERIOR ELECTRIC POWERSTAT VARIABLE AUTO TRANSFORMER 50/60HZ 1 PH 120 VAC IN 0-140 VAC OUT 10 AMPS.

      Texas City, 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
    • HAMMOND POWER SENTINEL H TRANSFORMER

      HAMMOND POWER SENTINEL H TRANSFORMER (QTY4)

      • Manufacturer: Hammond

      Hammond Power Sentinel H Transformer – 120/240V – Phase 1 – 25KVA – 60 Hertz – 4 Units Available – Call For Pricing

      Katy, TX
    • Hammond,DO75JCUB1T,75 KVA Transformer HV 460V-

      Hammond,DO75JCUB1T,75 KVA Transformer HV 460V- LV 230Y/133V 3PH

      • Manufacturer: Hammond

      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 ...

      $1,600 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
    • Hammond,K500QJAB1D,Transformer 500KVA HV-2300V LV-460V 3PH

      Hammond,K500QJAB1D,Transformer 500KVA HV-2300V LV-460V 3PH

      • Manufacturer: Hammond

      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 ...

      $6,000 USD

      Get financing

      Est. $118/mo

      Galion, OH
    • GENERAL ELECTRIC,631X27,TRANSFORMER

      GENERAL ELECTRIC,631X27,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 ...

      $25 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
    • MGM Transformer AD370-G0825 45kVA 3PH

      MGM Transformer AD370-G0825 45kVA 3PH 208-277VAC Dry Type HT Enclosed 45 kVA

      • Manufacturer: MGM Transformer

      Home Contact About Technology Industrial Lab & Test Electrical Semiconductor MGM Transformer AD370-G0825 45kVA 3PH 208-277VAC Dry Type HT Enclosed 45 kVA Manufacturer: MGM Transformer Model: AD370-G0825 Condition...

      $1,100 USD
      Leander, TX
    • Tamura,3FD-536,Transformer 130B

      Tamura,3FD-536,Transformer 130B

      • Manufacturer: Tamura

      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...

      $14 USD
      Galion, OH
    • Sterling,BT-111-08-2T,Transformer

      Sterling,BT-111-08-2T,Transformer

      • Manufacturer: Sterling

      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 ...

      $12 USD
      Galion, OH
    • Trusted Seller
      CAT Caterpillar Control GP 118-0175-02

      CAT Caterpillar Control GP 118-0175-02 Power Transformer Controller

      • Manufacturer: Caterpillar

      CAT Caterpillar Control GP 118-0175-02 Power Transformer Controller This CAT Caterpillar Control GP 118-0175-02 Power Transformer Controller is new. This unit comes with a 30 day satisfaction guarantee. Includes ...

      $1,195 USD
      Converse, TX
    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.