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Used Current Transformer (Ct) in Ohio, USA

  • Hunterdon,A-2313-20,Current Transformer 50VA 1040/5 Ratio

    Hunterdon,A-2313-20,Current Transformer 50VA 1040/5 Ratio

    • Manufacturer: Hunterdon

    New unused without original box NOS. 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 pictu...

    $150 USD
    Galion, OH
  • GE GENERAL ELECTRIC,687X5,CURRENT TRANSFORMER JCS-0

    GE GENERAL ELECTRIC,687X5,CURRENT TRANSFORMER JCS-0 600:5

    • Manufacturer: GE

    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 ...

    $900 USD
    Galion, OH
  • TE CONNECTIVITY CROMPTON,76RL-301,CURRENT TRANSFORMER RATIO:300:5

    TE CONNECTIVITY CROMPTON,76RL-301,CURRENT TRANSFORMER RATIO:300:5 NEW

    • Manufacturer: TE Connectivity

    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 ...

    $25 USD
    Galion, OH
  • WESTON INSTRUMENTS,605,CURRENT TRANSFORMER NOS

    WESTON INSTRUMENTS,605,CURRENT TRANSFORMER NOS

      $20 USD
      Galion, OH
    • HAMMOND,A1-TRC-Q0C-287,TRANSFORMER 350VA

      HAMMOND,A1-TRC-Q0C-287,TRANSFORMER 350VA

      • Manufacturer: Hammond

      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 ...

      $350 USD
      Galion, OH
    • Sola,301587,1-Phase Constant Voltage Transformer 190/380V

      Sola,301587,1-Phase Constant Voltage Transformer 190/380V 2.18A

      • Manufacturer: SOLA

      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...

      $80 USD
      Galion, OH
    • SIEMENS,MT1500A,CONTROL TRANSFORMER 1.5KVA 50/60HZ

      SIEMENS,MT1500A,CONTROL TRANSFORMER 1.5KVA 50/60HZ

      • Manufacturer: Siemens

      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
    • HUNTERDON TRANSFORMER,TTC-22520-1,REACTOR 1PH FREQ 60/300

      HUNTERDON TRANSFORMER,TTC-22520-1,REACTOR 1PH FREQ 60/300 IND 0.118H CURRENT 17A

      • Manufacturer: HUNTERDON TRANSFORMER

      NEW STILL IN ORIGINAL BOX WILL ARRANGE SHIPPING WITH BUYER WEIGHT 240LBS MEASURING 25"X32"X30" What's Included? See photos. We try our best to provide full details of each item and any included accessories, but i...

      $1,800 USD
      Galion, OH
    • SQUARE D,5NR-301,CURRENT TRANSFORMER 300:5 RATIO

      SQUARE D,5NR-301,CURRENT TRANSFORMER 300:5 RATIO NOS

      • 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 ...

      $25 USD
      Galion, OH
    • Midwest,6CT1158,Current Transformer 150/5 Ratio 25-400

      Midwest,6CT1158,Current Transformer 150/5 Ratio 25-400 Cycles

      • Manufacturer: Midwest Electric

      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 ...

      $68 USD
      Galion, OH
    • Current,MW0230,Transformer 6KV 50-400Hz Ratio: 300/1

      Current,MW0230,Transformer 6KV 50-400Hz Ratio: 300/1

      • Manufacturer: Current

      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...

      $60 USD
      Galion, OH
    • INDUSTRIAL SOLUTIONS,NA,GLOBE INDUCTOR TRANSFORMER 3PH

      INDUSTRIAL SOLUTIONS,NA,GLOBE INDUCTOR TRANSFORMER 3PH 50/60HZ 600V 130A

      • Manufacturer: ISI

      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 ...

      $440 USD
      Galion, OH
    • Daykin Electric,LTFS-13,Transformer Disconnect 750VA 480V

      Daykin Electric,LTFS-13,Transformer Disconnect 750VA 480V 1.6A

      • Manufacturer: Daykin Electric

      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...

      $160 USD
      Galion, OH
    • J Schneider Elektrotechnik,DTB 1000PC 68274/1,

      J Schneider Elektrotechnik,DTB 1000PC 68274/1, Transformer 50/60 Hz 40A

      • Manufacturer: Schneider

      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...

      $100 USD
      Galion, OH
    • COMPTON INSTRUMENTS,806-940U-SSLA,CURRENT TRANSFORMER 1000:1 LOT

      COMPTON INSTRUMENTS,806-940U-SSLA,CURRENT TRANSFORMER 1000:1 LOT OF 3

      • Manufacturer: COMPTON INSTRUMENTS

      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 ...

      $30 USD
      Galion, OH
    56789

    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.