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Current transformers Product List and Ranking from 4 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

Current transformers Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. null/null
  2. 東洋計器 Osaka//Industrial Electrical Equipment
  3. ヒラヰ電計機 東京営業所 Tokyo//Industrial Electrical Equipment
  4. 4 山陽電気工業 Hiroshima//Machine elements and parts
  5. 5 東京精電 Tokyo//Industrial Electrical Equipment
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Current transformers Product ranking

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. Current transformer CR2-□, CS1-□, CM1-15
  2. Current transformer "CT" 東洋計器
  3. Current transformer "ECT-40 Series" ヒラヰ電計機 東京営業所
  4. 4 Sanyo Electric Industry Co., Ltd. Information on Equipment Parts Design and Manufacturing 山陽電気工業
  5. 5 Measurement methods for current transformers (calibration methods). 東京精電

Current transformers Product List

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Sanyo Electric Industry Co., Ltd. Information on Equipment Parts Design and Manufacturing

Sanyo Electric Industry Co., Ltd. Information on Equipment Parts Design and Manufacturing

For instrument transformers, small transformers, current transformers (CT), and zero-sequence current transformers (ZCT), please leave it to us.

Sanyo Electric Industrial Co., Ltd. designs and manufactures special transformers and current transformers for industrial equipment. Under the corporate philosophy of responding to user trust with excellent technical capabilities, we particularly utilize toroidal winding technology to meet a wide variety of needs. We also pursue cost performance through design, manufacturing, and direct sales, and we accommodate short delivery times and small quantities. 【Categories】 ■ Current Transformers (CT) ■ Transformers ■ Coils ■ Split-type Current Transformers ■ Reactors *For more details, please download the PDF or feel free to contact us.

  • Inductor Coil
  • Other electronic parts

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Measurement methods for current transformers (calibration methods).

Measurement methods for current transformers (calibration methods).

Reading and comparing two values! An introduction to the measurement method (calibration method) of current transformers.

Our company performs calibration using a measurement method called comparative testing. Standard voltage transformers (VTs) and standard current transformers (CTs) are the reference VTs and CTs that have been tested at the Japan Electric Measuring Instruments Inspection Institute. Additionally, the test voltage transformers (VTx) and test current transformers (CTx) are, for example, the VTs and CTs for which we have received calibration requests from customers. For each, two values are read and compared. The values are small because they are theoretically the same ratio. *For more details, please refer to the related links page or feel free to contact us.*

  • Other FA equipment

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Current Transformer "CTC-NR Series"

Current Transformer "CTC-NR Series"

A round window-type double-mold low-voltage instrument transformer that can reduce wire winding work!

The "CTC-NR Series" is a current transformer for low-voltage instruments that can reduce the workload of wire winding. It uses a heat-resistant ABS resin case for its exterior, making it lightweight and easy to handle. This series is manufactured in accordance with the basic JIS-C-1731-1 standard, but products can also be made according to overseas standards such as IEC upon request. Please feel free to consult us. 【Features】 ■ Installation direction can be easily changed ■ Can use 600V vinyl wire for primary through conductors ■ Can be manufactured according to overseas standards ■ Uses a heat-resistant ABS resin case for the exterior ■ Lightweight and easy to carry *For more details, please refer to the catalog or feel free to contact us.

  • Electronic Components
  • Machine elements
  • Other measurement and measuring equipment

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Current transformer "ECT-40 Series"

Current transformer "ECT-40 Series"

Designed with a large through-window! It allows for direct conductor penetration even with pre-attached crimp terminals.

The "ECT-40 Series" is an epoxy-molded product series with a capacity of only 40VA. It is designed with a large through-window, allowing for direct conductor penetration even when crimp terminals are already attached, making it suitable for low-voltage meter current transformers. This series is manufactured in compliance with the basic JIS-C-1731-1 standard, but products can also be made according to overseas standards such as IEC upon request. Please feel free to consult us. 【Features】 ■ Reliable anti-vibration base structure ■ Usable even in environments with continuous vibration ■ Can be used not only for measurement but also for protection ■ Large diameter allowing for penetration up to 150mm busbars ■ Products can also be manufactured according to overseas standards such as IEC *For more details, please refer to the catalog or feel free to contact us.

  • Electronic Components
  • Machine elements
  • Other measurement and measuring equipment

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Current transformer "CT"

Current transformer "CT"

Compact, lightweight, and easy to use! High performance, low-cost current transformer.

The round window type (COM type) is suitable for cable wiring, while the square window type (CBM type) can be used for busbar wiring without cutting the primary conductor, making them ideal for distribution boards and control panels. Additionally, for small currents (5-30A), there is a type with primary windings that eliminates the need for the number of turns (COMA type) (up to 200A, 250A), and both primary and secondary types for small currents (CRM type) ranging from 0.1 to 10A are optimal as auxiliary current transformers. 【Features】 ○ The entire unit is molded with polyester resin, making it resistant to chemicals, with no insulation degradation due to aging or moisture absorption, and it is mechanically robust. ○ The mounting feet can be adjusted to change direction by 90°. ○ The CBM type can be mounted vertically or horizontally, or fixed to the primary conductor. For more details, please contact us or download the catalog.

  • Other measurement, recording and measuring instruments

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