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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
  • 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
  • Reliance,TR-13402,Transformer

    Reliance,TR-13402,Transformer

    • Manufacturer: Reliance 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 ...

    $76 USD
    Galion, OH
  • 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
  • QTY. 1. GCA / PRECISION

    QTY. 1. GCA / PRECISION SCIENTIFIC FUL-KONTROL (CONTROL TRANSFORMER ONLY) 120 V

    • Manufacturer: Thermo Fisher Scientific

    QTY. 1. GCA / PRECISION SCIENTIFIC FUL-KONTROL (CONTROL TRANSFORMER ONLY) 120 V 1000 WATTS 50/60 CYCLE CAT. NO: VT8N4. OUTPUT AMPS: 10. .

    Texas City, TX
  • 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
  • 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
  • QTY. 1. SUPERIOR ELECTRIC CO.

    QTY. 1. SUPERIOR ELECTRIC CO. POWERSTAT VARAC (VARIABLE A.C.) AUTO TRANSFORMER

      QTY. 1. SUPERIOR ELECTRIC CO. POWERSTAT VARAC (VARIABLE A.C.) AUTO TRANSFORMER 120V 50/60HZ OUTPUT: 0-140 VOLTS AC. AMPS: 10.

      Texas City, TX
    • HAMMOND,143843,INDUSTRIAL CONTROL TRANSFORMER 250VA

      HAMMOND,143843,INDUSTRIAL CONTROL TRANSFORMER 250VA

      • 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 ...

      $100 USD
      Galion, OH
    • GE,9T56Y1808,Transformer

      GE,9T56Y1808,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 ...

      $28 USD
      Galion, OH
    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.