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Noise Cut Transformer×電研精機研究所 - List of Manufacturers, Suppliers, Companies and Products

Noise Cut Transformer Product List

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Noise Cut Transformer NCT-F1

Noise Cut Transformer NCT-F1

This is the most basic and proven long-selling model.

It has a coaxial and different core structure, making it suitable for mass production and relatively inexpensive as a basic model, yet it possesses a significantly high noise attenuation rate among noise prevention products. Additionally, it is designed in a shape that faithfully adheres to the principles of noise prevention, equipped with triple shielding, housed in a sturdy and low-impedance outer casing, and has the capability to shield all conductive parts, including terminals and lead wires. Compared to the NCT-G type, it is slightly superior in efficiency and voltage fluctuation rate.

  • power supply

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Noise Cut Transformer NCT-F3/F4

Noise Cut Transformer NCT-F3/F4

Both input and output can switch between 100V and 200V.

For example, when used externally alongside your equipment, such as being placed in a consultation room in combination with medical devices, care has been taken with the appearance to ensure that it does not compromise the high-quality image of the entire room. Additionally, to facilitate easy installation and wiring, we have prepared two shapes to choose from—vertical (F3 type) and horizontal (F4 type)—to suit your installation space and aesthetic preferences.

  • power supply

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Noise Cut Transformer NCT-F5/F6

Noise Cut Transformer NCT-F5/F6

This is a cost-performance model suitable for embedded systems.

The NCT-F5 and F6 models are low-cost types that pursue cost performance. They are suitable for situations where appearance is not a concern, such as when integrated into the cabinet of the equipment being installed. By keeping the price down, we have successfully added new know-how to ensure that performance does not decline, resulting in good characteristics.

  • power supply

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Noise Cut Transformer NCT-I1

Noise Cut Transformer NCT-I1

Low price, standard type / Ideal for equipment integration.

This is a small, low-cost "Noise Cut Transformer" developed with a focus on general-purpose electronic devices for mass production and portable electronic devices. By utilizing a newly developed noise prevention mechanism (which has been newly patented), it effectively blocks normal mode noise across a wide frequency range, which cannot be prevented by conventional isolation transformers or shielded transformers, thereby significantly improving the noise resistance of the connected devices, all at a low cost. Additionally, its wideband common mode noise blocking capability protects the load devices from surges caused by induced lightning. In addition to standard voltage models, we can also produce units with custom voltages upon request, allowing for replacement of the power transformer in connected devices. Furthermore, it can eliminate the need for other noise prevention components such as power filters.

  • power supply

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Noise Cut Transformer NCT-I2

Noise Cut Transformer NCT-I2

It is a model with a receptacle for an outlet.

This is a small, low-cost "Noise Cut Transformer" developed with a focus on general-purpose electronic devices for mass production and portable electronic devices. By utilizing a newly developed noise prevention mechanism (which has been newly patented), it effectively blocks normal mode noise across a wide range of frequencies that cannot be prevented by conventional isolation transformers or shielded transformers, thereby significantly improving the noise resistance of the connected devices, all at a low cost. Additionally, its wide-band common mode noise blocking capability protects the load devices from surges caused by induced lightning. In addition to standard voltage products, we can also produce units at your desired voltage through made-to-order production, allowing for replacement of the power transformer in the connected devices. Furthermore, it can eliminate the need for other noise prevention components such as power filters.

  • power supply

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Noise Cut Transformer NCT-I4

Noise Cut Transformer NCT-I4

It is reassuring, especially in cases where a lightning surge is expected.

This is a small, low-cost "Noise Cut Transformer" developed with a focus on general-purpose electronic devices for mass production and portable electronic devices. By utilizing a newly developed noise prevention mechanism (which has been patented), it effectively blocks normal mode noise across a wide frequency range that cannot be prevented by conventional isolation transformers or shielded transformers, thereby significantly improving the noise resistance of the connected devices. Additionally, its wideband common mode noise blocking capability protects the load devices from surges caused by induced lightning. In addition to standard voltage models, we can also produce units with custom voltages upon request, allowing for replacement of the power transformer in connected devices. Furthermore, it can eliminate the need for other noise prevention components such as power filters.

  • power supply

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Noise Cut Transformer NCT-K

Noise Cut Transformer NCT-K

It is equipped with strict lightning protection and surge prevention.

The lightning surge that intrudes into the power line and reaches one coil of the lightning protection transformer first attempts to transfer electrostatically (through capacitive coupling) to the other coil. However, if the transformer has a shielding plate, this can be effectively prevented. Following this, a slower electromagnetic transfer (through inductive coupling) occurs, and there has been no lightning protection transformer equipped with a structure to prevent this; they have relied on added capacitors and varistors, which have been insufficient to protect low-resistance information devices and precision electronics. However, a structure like the "Noise Cut Transformer," which prevents high-frequency magnetic flux from lightning surges from crossing to the secondary side, can also prevent this electromagnetic transfer. The NCT-K type takes advantage of this characteristic, featuring high voltage insulation that withstands lightning surge impacts, excellent shielding with a very low impedance triple structure, and is designed and manufactured to easily direct powerful lightning surges to the ground, almost completely preventing them from escaping to the load side, making it a "Noise Cut Transformer for lightning protection."

  • power supply

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Noise Cut Transformer NCT-R5-J2

Noise Cut Transformer NCT-R5-J2

Even problems that cannot be solved by noise filters or shielded transformers!

This product features a safe design that takes into account safety and ease of use. Not only does it shield conductive parts such as terminals and coils, but the core part is also enclosed in a case to prevent contact, ensuring greater safety than before.

  • power supply

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[Noise Countermeasure Example] In a logistics warehouse, sensor modules frequently malfunction.

[Noise Countermeasure Example] In a logistics warehouse, sensor modules frequently malfunction.

Is the inverter motor used in the conveyor involved? Here is an introduction to noise countermeasure examples.

In Company F's logistics warehouse, picking, packaging, packing, sorting, labeling, and other processes are carried out collectively, with each unit arranged along a conveyor. Various sensors such as proximity sensors, displacement sensors, image sensors, inkjet printers, and barcode readers are extensively used, creating an automated transport line designed for labor-saving. There have been frequent issues with these sensor modules failing over a wide range. Even after replacing the components of the modules, cases of repeated failures continued to occur... *For more details, please refer to the PDF document or feel free to contact us.*

  • Other contract services

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[Countermeasure Example] When the painting robot operates, the leakage breaker trips.

[Countermeasure Example] When the painting robot operates, the leakage breaker trips.

Leakage current detected! No wiring faults or insulation issues found; where could the cause be?

Company A, which develops and manufactures painting robots, has a customer who has decided to initially adopt one set of the new robot on a trial basis. If all goes well, there is a significant possibility of introducing five sets in the future. The equipment was delivered, and the adjustment work was progressing smoothly. It seemed that we would soon be able to hand it over to the customer. However, suddenly the customer reported, "The existing painting robot's ground fault circuit interrupter is tripping irregularly. It seems that a ground fault occurs when the new robot starts or stops. We cannot proceed with the acceptance inspection under these circumstances!" *For more details, please refer to the PDF document or feel free to contact us.*

  • Other FA equipment
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Basic Knowledge and Countermeasures for Noise in AC Power Systems

Basic Knowledge and Countermeasures for Noise in AC Power Systems

Introducing troubleshooting on-site using expressions that are as easy to understand as possible!

In recent years, manufacturing equipment, control devices, and inspection devices have been miniaturized, enhanced in performance, and made more labor-saving, leading to faster control signals and lower operating voltages. As a result, they tend to be more susceptible to noise, but due to the increasing complexity of control processes, it has become difficult to identify the causes of noise-related issues, making it challenging to implement noise countermeasures. This document introduces the types and characteristics of noise in AC power systems, as well as countermeasure methods, from the perspective of troubleshooting in the field, using expressions that are as easy to understand as possible. [Contents (excerpt)] ■ Types of power supply noise ■ Transient noise and continuous noise ■ Noise propagation paths and loops *For more details, please refer to the PDF document or feel free to contact us.

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Rediscovering the Charm of Noise Cut Transformers! Vol. 3 Leakage Current Countermeasures (1)

Rediscovering the Charm of Noise Cut Transformers! Vol. 3 Leakage Current Countermeasures (1)

It is also highly effective in preventing leakage current in "inverter equipment" and "servo equipment."

This booklet includes classifications of faults caused by leakage current and information on leakage current issues. The "Noise Cut Transformer," which is extremely effective for noise countermeasures and lightning induction measures, has also proven to be highly effective in addressing the recent increase in malfunctions of leakage circuit breakers and leakage current issues in "inverter equipment" and "servo equipment." 【Contents (excerpt)】 ■ Classification of faults caused by leakage current - Electric shock - Leakage fire - Malfunction of leakage circuit breakers ■ Leakage current issues - When the insulation resistance (r) of equipment decreases - Effects of the capacitance (c) between ground *For more details, please refer to the PDF document or feel free to contact us.

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Rediscovering the Charm of Noise Cut Transformers! Vol. 4 Leakage Current Countermeasures (2)

Rediscovering the Charm of Noise Cut Transformers! Vol. 4 Leakage Current Countermeasures (2)

One device can handle four loops! It can also prevent leakage currents from harmonics and high frequencies!

This booklet covers measures against leakage current and the effects on high-frequency leakage current. The "Noise Cut Transformer" can significantly suppress the passage of leakage current from DC to GHz range due to its common mode wideband high attenuation characteristics. As a result, it can prevent not only the fundamental wave components (50Hz/60Hz) but also harmonics and high-frequency leakage current. [Contents] ■ Measures against leakage current using the Noise Cut Transformer ■ The Noise Cut Transformer can handle four loops with one unit ■ Effects of the Noise Cut Transformer on high-frequency leakage current *For more details, please refer to the PDF document or feel free to contact us.

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[Case Study] Electric Equipment Company F

[Case Study] Electric Equipment Company F

Real Trouble: The digital signage is not working! The source of the noise was identified as the lighting fixtures!

The electrical equipment company, Company F, was responsible for electrical work at a certain terminal station and was in charge of the installation of digital signage using LCD displays. The construction was progressing smoothly as scheduled, but the digital signage experienced unexplained malfunctions and system crashes. In response, our company investigated whether noise was observed during malfunctions or if there were any nearby devices generating noise. It was determined that the source of the noise was coming from nearby lighting fixtures, so we proposed the introduction of a "Noise Cut Transformer" for the power supply of the lighting fixtures. After the introduction, the malfunctions of the digital signage completely ceased, allowing it to display beautiful images. [Case Summary] ■ Problem: Unexplained malfunctions and system crashes of digital signage ■ Product Introduced: Noise Cut Transformer ■ Effect: Malfunctions of the digital signage completely ceased *For more details, please refer to the PDF document or feel free to contact us.

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