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Used same in Ohio, USA

  • Federal Pacific,FH51CEMD-3,Transformer 51KVA HV 460V

    Federal Pacific,FH51CEMD-3,Transformer 51KVA HV 460V Low 230Y/133 3PH

    • Manufacturer: Federal Pacific

    New Unused a few scratches on top will arrange shipping with buyer Skidded Weight 420Lbs Measuring 24"x24"x40" Please see pictures for details and condition. You will receive what’s in the pictures. If we have mu...

    $1,200 USD
    Galion, OH
  • Federal Pacific,FH51CEMD,Transformer 51KVA Pri 460

    Federal Pacific,FH51CEMD,Transformer 51KVA Pri 460 Sec 230Y/133 3PH

    • Manufacturer: Federal Pacific

    New Unused will arrange shipping with buyer Skidded Weight 420Lbs Measuring 24"x24"x40" Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same ite...

    $1,200 USD
    Galion, OH
  • FEDERAL PACIFIC,2751A0354,CURRENT TRANSFORMER NOS

    FEDERAL PACIFIC,2751A0354,CURRENT TRANSFORMER NOS

    • Manufacturer: Federal Pacific

    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

Overview

Current transformers (CTs) convert high alternating currents into a scaled secondary current for meters, relays and protection systems. Available as window, wound or bar types, CTs vary by ratio, accuracy class and saturation behavior. Proper selection focuses on rated primary current, burden, insulation, knee-point for protection use, and condition when buying used for substations, switchgear, or industrial panels.

FAQ

What should I check when buying a used CT?

Verify the nameplate ratio and accuracy class, inspect for physical damage or oil leaks, request recent ratio and insulation test reports, and confirm the CT type (wound/window/bar) and its knee-point if used for protection.

How should a CT be prepared and shipped safely?

Drain and seal oil-filled CTs if required, protect bushings and cores, short and ground the secondary terminals, secure the unit to prevent shock, and use a carrier experienced with electrical equipment plus insurance.

What routine maintenance and tests are essential for CTs?

Perform visual inspections, insulation resistance tests, ratio and polarity checks, check for oil contamination on liquid-filled units, and schedule periodic accuracy and dielectric tests per manufacturer guidelines.