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Used temperature controllers in Fujian, China

  • Trusted Seller
    107540-01A | Bently Nevada Transformer

    107540-01A | Bently Nevada Transformer

    • Manufacturer: Bently Nevada

    BENTLY NEVADA 107540-01A Transformer BENTLY NEVADA 107540-01A Transformer Transformer (HSCT), 350822 High Voltage Sensors (HVS), and 4-20 mA process signals corresponding to motor temperature measurements. The Be...

    Fujian, China
  • Trusted Seller
    R11W-F10/7-2 | AMC RESOLVER TRANSFORMER

    R11W-F10/7-2 | AMC RESOLVER TRANSFORMER

    • Manufacturer: AMC Schou

    AMC R11W-F10/7-2 RESOLVER TRANSFORMER AMC R11W-F10/7-2 RESOLVER TRANSFORMER Designed for reliable operation, the R11W-F10/7 can be used in a wide range of space critical applications where environmental sealing i...

    Fujian, China
  • Trusted Seller
    W-ZG02/V | Weishaupt Ignition Transformer

    W-ZG02/V | Weishaupt Ignition Transformer

    • Manufacturer: Weishaupt

    Weishaupt W-ZG02/V Ignition Transformer Weishaupt W-ZG02/V Ignition Transformer The W-ZG 02 electronic ignition unit used in Weishaupt burners is particularly energy efficient and extremely reliable. The W-ZG 02 ...

    Fujian, China

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.