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Used basic in USA

  • Acme Electric FS21500 Industrial Control

    Acme Electric FS21500 Industrial Control Transformer, 1500VA, 50/60HZ. 1D-40

    • Manufacturer: Acme

    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, ...

    $90 USD
    Duncan, SC
  • ACME TB81211F3 Industrial Control Transformer.

    ACME TB81211F3 Industrial Control Transformer. Loc4E-20

    • Manufacturer: Acme

    ACME TB81211F3 Industrial Control Transformer. Loc4E20 Palmetto Automation Inc. of Duncan SC specializes in buying, selling, and repairing obsolete Used, Refurbished, and New industrial electronic equipment. ...

    $53 USD
    Duncan, SC
  • ACME AE06-0050 Transformer, 50VA. 4C-14

    ACME AE06-0050 Transformer, 50VA. 4C-14

    • Manufacturer: Acme

    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, ...

    $80 USD
    Duncan, SC
  • Acme Electric Industrial TB50N001F2 Control

    Acme Electric Industrial TB50N001F2 Control Transformer Loc4D21

    • Manufacturer: Acme

    Acme Electric Industrial TB50N001F2 Control Transformer Palmetto Automation Inc. of Duncan SC specializes in buying, selling, and repairing obsolete Used, Refurbished, and New industrial electronic equipment. Mo...

    $104 USD
    Duncan, SC

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.