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Used Current Transformer (Ct) in Ohio, USA

  • Trusted Seller
    MO-6478, LIEBERT EMERSON A225C TRANSFORMER

    MO-6478, LIEBERT EMERSON A225C TRANSFORMER CORE. 225 KVA. 480 H.V. 208/120 L.V.

    • Manufacturer: Liebert - Vertiv

    “Contact us directly for a freight quote or you can setup your own freight. Please provide ship to address. Loading is included with the sale of the item.”

    $1,999 USD
    Willoughby, OH
  • Trusted Seller
    MO-5900, GE 9T23Q9872 TRANSFORMER. 30

    MO-5900, GE 9T23Q9872 TRANSFORMER. 30 KVA. 480 HV. 208/120 LV. 3 PH.

    • Manufacturer: GE

    “Contact us directly for a freight quote or you can setup your own freight. Please provide ship to address. Loading is included with the sale of the item.”

    $399 USD
    Willoughby, OH
  • E.I.L INSTRUMENTS,5-RL-201,CURRENT TRANSFORMER 5-400HZ 600V

    E.I.L INSTRUMENTS,5-RL-201,CURRENT TRANSFORMER 5-400HZ 600V RATIO 200:5 A NOS

    • Manufacturer: E.I.L 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 ...

    $35 USD
    Galion, OH
  • WESTON,605,CURRENT TRANSFORMER NOS

    WESTON,605,CURRENT TRANSFORMER NOS

    • Manufacturer: Weston

    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
  • EATON,C0150E2A,INDUSTRIAL CONTROL TRANSFORMER 150VA 230X460V

    EATON,C0150E2A,INDUSTRIAL CONTROL TRANSFORMER 150VA 230X460V PRI 115V SEC NOS

    • Manufacturer: Eaton

    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 ...

    $55 USD
    Galion, OH
  • WESTINGHOUSE,CSB-10,CURRENT TRANSFORMER

    WESTINGHOUSE,CSB-10,CURRENT TRANSFORMER

    • Manufacturer: Westinghouse

    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 ...

    $55 USD
    Galion, OH
  • Duncan,DCBW,400:5A Current Transformer

    Duncan,DCBW,400:5A Current Transformer

    • Manufacturer: Duncan

    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
  • WESTON INSTRUMENTS,605,CURRENT TRANSFORMER NOS

    WESTON INSTRUMENTS,605,CURRENT TRANSFORMER NOS

    • Manufacturer: WESTON 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 ...

    $20 USD
    Galion, OH
  • SIMPSON,1305,CURRENT TRANSFORMER NOS

    SIMPSON,1305,CURRENT TRANSFORMER NOS

    • Manufacturer: Simpson

    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
  • Tyco,2RL-500,Current Transformer

    Tyco,2RL-500,Current Transformer

    • Manufacturer: Current

    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 ...

    $16 USD
    Galion, OH
  • SIEMENS,MT1000A,CONTROL TRANSFORMER 1000VA

    SIEMENS,MT1000A,CONTROL TRANSFORMER 1000VA

    • Manufacturer: Siemens
    • Model: MT1000A

    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 ...

    $115 USD
    Galion, OH
  • GENERAL ELECTRIC,631X23,CURRENT TRANSFORMER

    GENERAL ELECTRIC,631X23,CURRENT TRANSFORMER

    • 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 ...

    $45 USD
    Galion, OH
  • GENERAL ELECTRIC,JGH-0,CURRENT TRANSFORMER

    GENERAL ELECTRIC,JGH-0,CURRENT TRANSFORMER

    • 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 ...

    $35 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
  • Toyo Keiki,JIS C1731,Current Transformer

    Toyo Keiki,JIS C1731,Current Transformer

    • Manufacturer: Toyo

    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 ...

    $24 USD
    Galion, OH
34567

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.