Noise Cut Transformer - 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

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

It has a coaxial and different core structure, is suitable for mass production, and is a relatively inexpensive basic model, but it has 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 possesses the quality 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.

  • Substation equipment
  • Noise Cut Transformer

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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 combined with medical devices and placed in a consultation room, 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.

  • Substation equipment
  • Noise Cut Transformer

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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.

  • Substation equipment
  • Noise Cut Transformer

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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 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, 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 models, 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.

  • Substation equipment
  • Noise Cut Transformer

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Noise Cut Transformer NCT-I2

Noise Cut Transformer NCT-I2

It is a model with a receptacle for the 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 patented), it effectively blocks normal mode noise across a wide frequency range that cannot be prevented by standard isolation transformers or shielded transformers, thereby significantly improving the noise resistance of the connected devices, all at a low price. Additionally, its wide-band 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 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 distribution and control panels
  • Noise Cut Transformer

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Noise Cut Transformer NCT-I4

Noise Cut Transformer NCT-I4

It is reassuring, especially when 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 standard 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 load devices from surges caused by induced lightning. In addition to standard voltage products, 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.

  • Internet System
  • Noise Cut Transformer

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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 that, 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 electronic equipment. However, a structure like the "Noise Cut Transformer" that prevents high-frequency magnetic flux from the lightning surge 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 the impact of lightning surges, excellent shielding with a very low impedance triple structure, and is designed and manufactured to easily divert 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."

  • Substation equipment
  • Noise Cut Transformer

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Noise Cut Transformer NCT-R5-J2

Noise Cut Transformer NCT-R5-J2

Troubles that cannot be solved with noise filters or shielded transformers!

This is a product designed with safety and ease of use in mind. Not only are the conductive parts such as terminals and coils shielded, but the core part is also enclosed in a case to prevent contact, ensuring greater safety than before.

  • Substation equipment
  • Noise Cut Transformer

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

[Noise Countermeasure Case] 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 with labor-saving in mind. 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.*

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[Noise Countermeasure Example] The analog signal from the weighing controller is unstable.

[Noise Countermeasure Example] The analog signal from the weighing controller is unstable.

In a servo-based weighing system, the analog signal from the weighing controller fluctuates.

At Company B's factory, which manufactures plastic products, there is an automatic weighing machine for resin raw material pellets that are transported by a conveyor belt. This system inputs the analog signal output from a device that detects the gate's opening degree via a potentiometer into a PLC for control, and sends signals to a servo driver for control. While operating this system, a problem occurred where the gate opened and closed in small increments, making accurate weighing impossible. If this continues, it will significantly impact product production... This case was related to "high-frequency noise propagating through the air." *For more details, please refer to the PDF materials 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 breakers and leakage current issues in "inverter devices" and "servo devices." [Contents (excerpt)] ■ Classification of faults caused by leakage current - Electric shock - Leakage fire - Malfunction of leakage breaker ■ Leakage current issues - When the insulation resistance (r) of the equipment decreases - Effects of the capacitor (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)

Support for 4 loops with one unit! It can also prevent leakage currents from harmonics and high frequencies!

This booklet includes information on measures against leakage current and the effects on high-frequency leakage current. The "Noise Cut Transformer" can significantly suppress 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 currents. [Contents] ■ Measures against leakage current using Noise Cut Transformer ■ Noise Cut Transformer supports four loops with one unit ■ Effects of 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!

Company F, an electrical equipment company, 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 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, and it was able 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 eliminated *For more details, please refer to the PDF document or feel free to contact us.

  • Safety and consumables
  • Noise Cut Transformer

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[Case Study] Event Equipment Rental Company, Company D

[Case Study] Event Equipment Rental Company, Company D

Event a big failure? Introducing measures to address noise troubles occurring with LED displays!

The event equipment rental company D experienced issues with the LED display's image becoming distorted and sought our assistance to find a fundamental solution to prevent this problem from occurring. Many of our products are designed for integration within devices or for fixed use in facilities, making them unsuitable for transport and use at various event venues. To prevent image distortion, we proposed the installation of a "Noise Cut Transformer" to the power supply, which completely blocks the intrusion of high-frequency noise, and developed a special portable version of the product exclusively for D. After implementation, they no longer faced similar issues. 【Case Summary】 ■ Problem: Image distortion on the LED display ■ Product Implemented: Special version of the Noise Cut Transformer for D ■ Effect: No longer troubled by issues *For more details, please refer to the PDF document or feel free to contact us.

  • Safety and consumables
  • Noise Cut Transformer

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[Case Study] Pharmaceutical Manufacturer C Research Institute

[Case Study] Pharmaceutical Manufacturer C Research Institute

Unexplained stoppage of the centrifuge, what is its true nature? Introducing a case that achieved stable operation of research equipment!

At the C Research Institute, research and development of new drugs is being conducted, and many facilities are operational; however, there were issues occurring. It was speculated that the cause might be the deterioration of the power supply environment due to voltage fluctuations, but this remained merely a hypothesis, and we were in trouble. Since there are various factors that can deteriorate the power supply environment, we first proposed the introduction of cost-effective high-frequency noise countermeasure products and provided a trial unit. When we installed a "Noise Cut Transformer" on the centrifuge to check if the situation would change, the issues that had occurred daily completely ceased from the very first day of installation. Subsequently, we introduced the solution to other devices that had experienced issues, and those devices also stopped having problems, achieving stable operation of the research equipment. [Case Summary] ■ Problem: Unable to identify the cause of the issues ■ Proposal: Cost-effective high-frequency noise countermeasure products ■ Introduced Product: Noise Cut Transformer ■ Result: Troubles resolved with high-frequency noise countermeasures ■ Conclusion: It is important to implement measures suitable for the factors causing disturbances that deteriorate the power supply environment. *For more details, please refer to the PDF document or feel free to contact us.

  • Safety and consumables
  • Noise Cut Transformer

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[Case Study] POS System Development Company A

[Case Study] POS System Development Company A

Is it prohibited to use while charging? We will introduce cases where the cause was identified and the trouble was resolved!

Company A, a manufacturer of POS system development, has been focusing on the spread of tablet-type POS systems and has delivered them to many stores. However, recently, complaints have been received from newly supplied stores stating that "malfunctions occur, making it impossible to operate." Company A conducted daily investigations to resolve this issue, but identifying the cause proved difficult, leading to a prolonged period of uncertainty. We estimated that the conductive noise transmitted through the power line was entering the tablet via the charger, causing the troubles. We proposed the "Noise Cut Transformer," which can eliminate power noise. After installation, the troubles completely disappeared, and normal operations were restored. [Case Summary] ■ Problem: Unable to operate while charging ■ Product Introduced: Noise Cut Transformer ■ Effect: Troubles completely resolved *For more details, please refer to the PDF document or feel free to contact us.

  • Safety and consumables
  • Noise Cut Transformer

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Noise Cut Transformer NCT-R3-J6

Noise Cut Transformer NCT-R3-J6

The latest three-phase model that improves noise reduction performance while considering safety and ease of use.

The "Noise Cut Transformer" has improved noise attenuation performance, safety, and ease of use. It is a disturbance wave blocking transformer. Focusing on the fact that various noise disturbances are caused in different environments by high-frequency noise below 150 kHz, which is not covered by major EMC standards such as the IEC 61000-4 series, we have generally enhanced the noise attenuation performance, particularly in the range of several tens to several hundred kHz. Additionally, not only the conductive parts such as terminals and coils but also the core part is enclosed in a case to prevent contact, making it safer to use.

  • Substation equipment
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Noise Trouble Consultation Room

Noise Trouble Consultation Room

With over 50 years of experience, we offer consulting services for noise control suitable for your company's electromagnetic environment.

Our "Noise Trouble Consultation Room" was established in 1983 as a specialized technical department for noise trouble measures. Since then, we have received consultations on various noise disturbances amounting to 3,000 cases annually and have been working on their resolution. To date, we have accumulated an extensive track record and rich experience, receiving significant recognition from various sectors.

  • Lightning protection
  • Noise Cut Transformer

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Noise Cut Transformer NCT-J

Noise Cut Transformer NCT-J

Decisive effect against noise leakage from inverters! It can also be widely used for other three-phase applications.

This is a "Noise Cut Transformer" developed to prevent malfunctions and communication disruptions caused by noise associated with the rapidly increasing use of "general-purpose inverters." Of course, it can also be used for other applications. The noise generated by conventional inverters has been difficult to sufficiently mitigate with LC filters and similar devices. This is due to the presence of a significant amount of noise in the frequency range below 100 kHz, where the effectiveness of the filters diminishes, as well as issues such as leakage current when filters are used, and the influence of grounding conditions and the impedance of power and load devices. The NCT-J is a trump card that can solve these problems all at once.

  • Substation equipment
  • Noise Cut Transformer

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Noise Cut Transformer NCT-I3

Noise Cut Transformer NCT-I3

It is a low-cost model equipped with basic performance. It is very convenient when connecting loads such as measuring instruments and audio equipment via a plug.

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 standard 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 the connected devices. Furthermore, it can eliminate the need for other noise prevention components such as power filters.

  • Substation equipment
  • Noise Cut Transformer

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Noise Cut Transformer NCT-G

Noise Cut Transformer NCT-G

We have received high praise from cutting-edge research institutions, starting with the field of nuclear physics.

The coil's positioning is structured in an eccentric axis and eccentric core format, making it particularly effective in high-frequency areas and suitable for achieving high prevention effects. Compared to the NCT-F series, a higher attenuation rate can be achieved. It is designed faithfully to the principles of noise prevention, featuring a triple shielding body and a robust, low-impedance outer casing, constructed with shapes and materials that shield all conductive parts, including terminals and lead wires.

  • Substation equipment
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Noise Cut Transformer NCT-Z

Noise Cut Transformer NCT-Z

The core, coil, shield, case, and even the lead wires have all been manufactured in strict adherence to the theory.

This product has been developed through efforts since 1960, revealing the theoretically most superior design and obtaining patents for its structure and manufacturing methods. It has been made commercially available by improving the manufacturing methods and materials. The core shape and coil arrangement are of an off-axis eccentric twist design, exhibiting outstanding performance from several kHz to GHz. It is primarily used in laboratories, space development, laser-related equipment, precision experimental instruments, and for measuring minute signals.

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Noise trouble case / Flow meter values fluctuate during inverter pump operation.

Noise trouble case / Flow meter values fluctuate during inverter pump operation.

Numerous examples! Introducing case studies of troubles caused by noise. Robots, logistics warehouses, plasma arc welding, servo-based weighing systems, etc...

【Noise Trouble Cases】 ■ The flow meter value fluctuates when the inverter pump is operating. ■ When the painting robot operates, the leakage breaker malfunctions. ■ In the logistics warehouse, the sensor module frequently fails. ■ The system experiences abnormal stops during plasma arc welding. ■ In the servo-based weighing system, the analog signal from the weighing controller fluctuates. ■ Frequent errors occur in the district heating and cooling system. ■ When the overseas compressor operates, a leakage current alarm is triggered. We also introduce many cases on our company website "Noise Maybe Blog," so please take a look. (You can view it from the link below.)

  • Substation equipment
  • Noise Cut Transformer

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Noise Cut Transformer NCT-R3-U2

Noise Cut Transformer NCT-R3-U2

This model has obtained certification for the insulation material UL standard "UL1446" and the structural UL standards "UL5085-1, UL5085-2."

This is a medium-capacity noise filter transformer that complies with UL standards. It is a model certified under the UL standard for insulation materials "UL1446" and the UL standards for construction "UL5085-1, UL5085-2." This product will be custom-made according to your specifications.

  • Substation equipment
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[Case Study] An alarm for leakage current is triggered when the overseas compressor operates.

[Case Study] An alarm for leakage current is triggered when the overseas compressor operates.

I want you to clarify the cause of the alarm sounding! Here is an introduction to noise countermeasure examples!

Since you have already confirmed that there are no abnormalities in the insulation of the equipment, we considered another possibility. Generally, high-frequency noise is generated from the compressor. Typically, some noise reduction product is installed on the compressor to prevent the high-frequency noise generated from affecting surrounding equipment. In principle, that noise reduction product should be able to sufficiently prevent the outflow of high-frequency noise. However, when several adverse conditions overlap, that noise reduction product can sometimes become a cause of dispersing high-frequency noise. Upon checking with the customer, it was confirmed that a noise reduction product is also installed on the compressor of the equipment, so we focused our investigation on the surrounding area. *For more details, please refer to the PDF document or feel free to contact us.*

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[Information] This will solve it! An Introduction to Noise Countermeasures for Inverters

[Information] This will solve it! An Introduction to Noise Countermeasures for Inverters

A simple explanation of the generation principles and specific countermeasures regarding the theme of "inverter noise issues."

The Electric Research Institute has accumulated numerous case studies of noise trouble resolution over more than half a century since its establishment. In this document, we will introduce the basics of noise countermeasures for inverters based on the knowledge we have gained so far. With the theme of "Inverter Noise Issues," we will explain the generation principles and specific countermeasures in an easy-to-understand manner. We hope this will be helpful in addressing noise problems. 【Contents (excerpt)】 ■ Is that really harmonics? ■ I want to quickly try countermeasure products without all the roundabout explanations... ■ It's amazing how easily I can understand this, like magic! ■ Let's consider the balance between effectiveness and cost! *For more details, please refer to the PDF document or feel free to contact us.

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[Information] This will convince you! A Reintroduction to Noise Control

[Information] This will convince you! A Reintroduction to Noise Control

We introduce some creative perspectives and basic knowledge about noise!

Since the establishment of the Noise Trouble Consultation Room, Dengen Seiki Research Institute has been receiving various questions regarding noise on a daily basis. The noise troubles faced by our customers are diverse, and it is necessary to take appropriate measures that fit the specific situation, making it impossible to discuss methods in a general way. In this document, we introduce some creative perspectives and basic knowledge necessary for troubleshooting noise issues on-site. We hope you find it useful in addressing noise problems. [Contents] ■ Volume 1: Let's Identify the Affected Areas! - Introduction - Have you considered re-evaluating your current methods? - What are the reasons for "not understanding"? - Why not think from a broader perspective? *For more details, please refer to the PDF document or feel free to contact us.

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Booklet: Rediscovering the Charm of Noise-Cutting Transformers! Vol. 1

Booklet: Rediscovering the Charm of Noise-Cutting Transformers! Vol. 1

Extremely wideband among noise suppression elements! Lightning surge voltage can also be significantly attenuated!

This booklet introduces the wideband attenuation characteristics of the "Noise Cut Transformer," which can attenuate not only noise but also "lightning surges." The attenuation range for line noise that can be prevented covers normal mode (between lines) from 10kHz to 1GHz, and common mode from DC to 1GHz. In comparison, the attenuation range of typical LC filters for power supplies is from 100kHz to 30MHz, making the bandwidth of attenuation extremely wide among noise prevention devices. [Contents] ■ Normal Mode Attenuation Characteristics ■ Common Mode Attenuation Characteristics *For more details, please refer to the PDF document or feel free to contact us.

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Discovering the Charm of Noise-Cutting Transformers Again! Vol. 2

Discovering the Charm of Noise-Cutting Transformers Again! Vol. 2

When used indoors where impulse coordination is maintained, it can withstand induced lightning!

This booklet introduces impulse voltages as defined by the overvoltage category/JIS. The standard impulse withstand voltage for the "Noise Cut Transformer" is 5kV (5000V). Up to an impulse voltage of 5kV (standard impulse voltage of 1.2/50μs as defined by JEC-0202), it can protect equipment from induced lightning without insulation breakdown. If you have concerns about impulse coordination or when using it in outdoor panels, please consider the NCT-K type or I4 type with an impulse withstand voltage of 10kV, or the NCT-K type and P type with an impulse withstand voltage of 30kV. [Contents] ■ Impulse voltages as defined by the overvoltage category/JIS *For more details, please refer to the PDF materials or feel free to contact us.

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