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Used controller in Ohio, USA

  • Trusted Seller
    Hammond Power Solutions Industrial Control

    Hammond Power Solutions Industrial Control Transformer - Ph500mqmj

    • Manufacturer: Hammond

    New, Industrial Control Transformer, Made In China

    $80 USD
    Euclid, OH
  • Trusted Seller
    Hammond Power Solutions 1000 Va

    Hammond Power Solutions 1000 Va Industrial Control Transformer - Ph1000mqmj

    • Manufacturer: Hammond

    New No Box, Made In China Name: Industrial Control Transformer | Arrival date: 10-13-2025 | Dimensions l x w x h (inches): 6 x 8 x 5 | Capacity: 1000 VA | Electrical: 50/60/440/480 | Weight (lb.): 23 | Available ...

    $100 USD
    Euclid, OH
  • ACME,TA-2-54535,INDUSTRIAL CONTROL TRANSFORMER VA:50 1-PHASE

    ACME,TA-2-54535,INDUSTRIAL CONTROL TRANSFORMER VA:50 1-PHASE NOS

    • Manufacturer: Acme

    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 ...

    $60 USD
    Galion, OH
  • Trusted Seller
    Cutler Hammer 2147A11G01 Control Power

    Cutler Hammer 2147A11G01 Control Power Transformer

    • Manufacturer: Cutler-Hammer

    Model number: 2147A11G01 | Mpn: 2147A11G01 | Shipping weight: 20 lbs | Shipping dimensions: 13 x 12 x 10 in | Reference sku: 1034203

    $7,860 USD

    Get financing

    Est. $154/mo

    Delta, OH
  • Trusted Seller
    Cutler Hammer 2147A11G01 Control Power

    Cutler Hammer 2147A11G01 Control Power Transformer

    • Manufacturer: Cutler-Hammer

    “New without Factory Packaging” Model number: 2147A11G01 | Mpn: 2147A11G01 | Shipping weight: 20 lbs | Shipping dimensions: 13 x 11 x 10 in | Reference sku: 1030691

    $6,740 USD

    Get financing

    Est. $132/mo

    Delta, OH
  • Stancor,P-8395,Control Transformer

    Stancor,P-8395,Control Transformer

    • Manufacturer: Stancor

    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 ...

    $35 USD
    Galion, OH
  • SYLVANIA,TR23-3,CONTROL TRANSFORMER

    SYLVANIA,TR23-3,CONTROL TRANSFORMER

    • Manufacturer: SYLVANIA

    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 ...

    $40 USD
    Galion, OH
  • Allen Bradley,1497-N8,Control Transformer Ser A

    Allen Bradley,1497-N8,Control Transformer Ser A

    • 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 ...

    $32 USD
    Galion, OH
  • Square D,9070 EO-3,Industrial Control Transformer

    Square D,9070 EO-3,Industrial Control Transformer

    • Manufacturer: Square D

    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 ...

    $32 USD
    Galion, OH
  • Hevi-Duty,E0603PB,Industrial Control Transformer

    Hevi-Duty,E0603PB,Industrial Control Transformer

    • Manufacturer: Hevi-Duty

    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 ...

    $20 USD
    Galion, OH
  • ACME,TA-2-54536,INDUSTRIAL CONTROL TRANSFORMER VA:100 1-PHASE

    ACME,TA-2-54536,INDUSTRIAL CONTROL TRANSFORMER VA:100 1-PHASE NOS

    • Manufacturer: Acme

    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
  • ACME,TA-2-54537,INDUSTRIAL CONTROL TRANSFORMER VA:150 1-PHASE

    ACME,TA-2-54537,INDUSTRIAL CONTROL TRANSFORMER VA:150 1-PHASE NOS

    • Manufacturer: Acme

    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
  • Stancor,P-8657,Control Transformer 117V

    Stancor,P-8657,Control Transformer 117V

    • Manufacturer: Stancor

    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 ...

    $20 USD
    Galion, OH
  • MICRON INDUSTRIES,C050BTZ15,INDUSTRIAL CONTROL TRANSFORMER

    MICRON INDUSTRIES,C050BTZ15,INDUSTRIAL CONTROL TRANSFORMER

    • Manufacturer: Micron

    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 ...

    $35 USD
    Galion, OH
  • STANCOR,P-6375,CONTROL TRANSFORMER 1-PHASE NOS

    STANCOR,P-6375,CONTROL TRANSFORMER 1-PHASE NOS

    • Manufacturer: Stancor

    STANCOR,P-6375,CONTROL TRANSFORMER 1-PHASE 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 photos then it will not ...

    $45 USD
    Galion, OH
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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.