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Used Distribution Transformers in South Carolina, USA

  • 1500 KVA Westinghouse Transformer

    1500 KVA Westinghouse Transformer

    • Manufacturer: Westinghouse

    1500 KVA Westinghouse Transformer – Reliable Power Distribution We are offering a 1500 KVA Westinghouse Transformer designed for efficient and reliable power distribution in commercial, industrial, and large-scal...

    Spartanburg, SC
  • Square D 500SV1B 0.5 kVA

    Square D 500SV1B 0.5 kVA Wall Mount Power Distribution Transformer. 1D-63

    • Manufacturer: Square D

    Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...

    $89 USD
    Duncan, SC
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    Automatic Transfer Switch - Eaton

    Automatic Transfer Switch - Eaton

    • Manufacturer: Eaton

    READ THE TERMS AND CONDITIONS BEFORE BIDDING. *Charleston County does not have a loading dock *Charleston County does not ship nor prepare for shipping *Charleston County can not provide assistance loading items....

    North Charleston, SC
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  • Eaton ATC-300+ Transfer Switch Controller

    Eaton ATC-300+ Transfer Switch Controller Rev. V3.4 (REFURB) 2B

    • Manufacturer: Eaton

    ATC-300 transfer switch. Make sure to specicfy the firmware version. Version 4 is available and can also work in place of V3.4 but not the other way around. Palmetto Automation Inc. of Duncan SC specializes in bu...

    $2,250 USD
    Duncan, SC

Overview

Distribution transformers step down medium-voltage power to the lower voltages used by homes, businesses and local grids. They come as oil-filled or dry-type units, with features like on-load tap changers, conservators and cooling systems. Buyers look for capacity (kVA/MVA), voltage ratings, insulation condition and transportability when selecting used units for substations or commercial sites.

FAQ

What should I inspect when buying a used distribution transformer?

Check the nameplate ratings, kVA and voltage class, manufacturing date, oil condition or insulation status, tap changer condition, bushing integrity, maintenance and fault records, and results of recent electrical tests (insulation resistance, turns ratio, winding resistance, and DGA if oil-filled).

How do I ship a distribution transformer safely?

Use heavy-equipment carriers with proper lifting gear and blocking. For oil-filled units confirm local rules—some jurisdictions require draining or special containment. Secure and protect bushings and tap changers, use skid or frame supports, and arrange permits/escort for oversized loads.

What regular maintenance does a distribution transformer need?

Perform periodic visual inspections, oil testing (DGA, moisture, acidity) for oil-filled units, check and service tap changers, clean and tighten bushings and connections, monitor temperature and load, and repair leaks or corrosion promptly. Follow manufacturer intervals and keep detailed records.