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Used loading in USA

  • Trusted Seller
    300KVA Federal Pacific Transformer 480v

    300KVA Federal Pacific Transformer 480v x 208Y/120(S6LLST7781)

    • Manufacturer: Federal Pacific

    *Handling times for freight shipments average 5 days, but may vary depending on size, weight, location, and current trucking conditions. This does not include shipping time.* Item Dimensions - L X W X H - 44X27X5...

    Shippensburg, PA
  • Federal Pacific T43T30E 30 KVA

    Federal Pacific T43T30E 30 KVA HV: 480V LV: 240/120V Transformer

    • Manufacturer: Federal Pacific

    Up for sale is nice lightly used Federal Pacific 30 KVA transformer, model T43T30E . HV: 480V LV: 240/120V Please see pictures of tag for all specification. Can be seen in person at Sky-Pole, Inc. in Santa Clari...

    $1,100 USD
    Santa Clarita, CA

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.