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Used Cutler-Hammer Current Transformer (Ct) in Texas, USA

  • Cutler Hammer,D60LT1,Current Transformer

    Cutler Hammer,D60LT1,Current Transformer

    • Manufacturer: Cutler-Hammer

    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. 25 help. Pricing We ...

    $25 USD
    Houston, TX
  • Cutler Hammer 75kVA 480V 60Hz

    Cutler Hammer 75kVA 480V 60Hz 3P 4W Transformer 208/120 V48M28T75J 🟦

    • Manufacturer: Cutler-Hammer
    • Model: V48M28T
    • Phase type: Three-phase

    Cutler Hammer 75kVA 480V 60Hz 3P 4W Transformer 208/120 V48M28T75J **The breaker(s) included in this purchase can be modified. If you want different breakers than what is currently listed or the box with no break...

    $2,317 USD
    Arlington, TX
  • Cutler-Hammer,13542H9B,Current Transformer 600V Max 6.2-38A

    Cutler-Hammer,13542H9B,Current Transformer 600V Max 6.2-38A

    • Manufacturer: Cutler-Hammer

    Used and in good condition. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures to ma...

    $30 USD
    Houston, TX

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.