Three-Phase Four-Wire EMI Filter
Three-Phase Four-Wire EMI Filter
EMC, EMI Filter for industrial, Power Line Filter
Technical Data:
- Rated Voltage: 250/440VAC
- Rated Current: 5-200A
- Rated Frequency: 50/60Hz
- Test Voltage: Line/Line 1500VDC, Line/ Ground 2250VDC
- Climatic Category: 25/085/21
Product Description
Our 3-phase 4-wire Power Line Filter is designed to provide exceptional electromagnetic interference (EMI) suppression for industrial applications. Its advanced filtering technology ensures smooth operation by reducing noise and protecting sensitive equipment. This filter is ideal for environments requiring high-performance power systems, such as automation, motor drives, and uninterruptible power supplies (UPS). With a robust, space-saving design, it offers easy installation and reliable performance across various sectors, including industrial, commercial, and energy systems. Its efficient filtering capabilities contribute to enhanced system stability and equipment longevity.
The 3-phase 4-wire Power Line Filter effectively solves common challenges in complex industrial environments, such as electrical noise from heavy machinery and power surges. By minimizing EMI, it prevents equipment malfunctions, reduces downtime, and ensures continuous, stable power delivery essential for critical operations.
Compared to competing products, our 3-phase 4-wire Power Line Filter stands out with superior attenuation across a wide frequency range, compact construction, and enhanced thermal management. These advantages translate to longer filter life, lower maintenance costs, and seamless integration into existing power infrastructures.
Learn more in our latest blog:
“Optimizing Industrial Power Systems with 3-phase 4-wire Power Line Filters”
Typical Applications
The 3-phase 4-wire Power Line Filter is ideal for industrial equipment and power systems with four-wire configurations, delivering reliable EMI filtering to maintain stable and efficient operation in demanding settings.
Widely used in photovoltaic systems and other industrial applications, the 3-phase 4-wire Power Line Filter effectively suppresses electromagnetic interference, ensuring smooth power delivery and protecting sensitive components.
In 3-phase motors, UPS, switch-mode power supplies, and industrial automation equipment, this filter enhances system performance by reducing noise and preventing disruptions, contributing to longer equipment life and improved reliability.
Product Features
- Prevents interference voltage
- Easy installation with wiring, features a safety cover to prevent accidental contact
- Customizable products to meet specific customer requirements
- Versatile and general-purpose
- General-purpose and space-saving
- Certification: CE approved (designed according to UL939, CSA C22.2 No.8, IEC/EN 60939, CQC GB 15288/GB 15287-2008 standards)
Technical Data
| Type | Rated Current (A) | Rated Voltage | Rated Frequency | I Leakage (≤mA) | Test Voltage (2s) | Dim. | Output | Climate Category |
| ND4107-5Q | 5 | 250/440VAC | 50/60Hz | 1 250VAC/50Hz |
Line/Line 1500VDC Line/Ground 2250VDC |
Fig 1 |
|
25/85/21 |
| ND4109-10S | 10 | Fig 2 |
|
|||||
| ND4109-20S | 20 | |||||||
| ND4109-30S | 30 | |||||||
| ND4110-50S | 50 | Fig 3 | ||||||
| ND4111-80S | 80 | Fig 4 | ||||||
| ND4111-100S | 100 |
Circuit Diagrams
Outline Drawing (mm)
Insertion Loss
Insertion loss measured in 50Ω/50Ω system, as IEC/CISPR No. 17
A=Differential mode B=Common Mode
Factory and Production Line
Why choose us?
10+ years experience
With 10+ years experience in manufacturing power line filters, we bring deep industry knowledge to every product we create.
Wide Client Base
We are trusted by 1,000+ long-term customers, showcasing our ability to consistently meet and exceed client expectations.
Proven Quality
10,000+ positive feedbacks from satisfied clients attest to the quality and reliability of our products.
Customized Solutions
We offer tailored services to meet the specific needs of our customers, ensuring that every solution is perfect for your requirements.
Competitive Advantage
We prioritize innovation, offering products with excellent performance at a competitive price, ensuring the best value for your investment.
FAQs
Yes, we can provide customization services according to your requirements.
Yes, we offer sample services for testing. (What is the minimum order quantity for the product? Usually, we support a minimum order quantity of one. )
Typically, our products are made of stainless steel, nickel-plated carbon steel, aluminum, or other specified materials. Additionally, we can accommodate special material requests.
Generally, we provide specific product dimension information on the product page. However, if you require custom dimensions, please contact us.
Yes, we provide global shipping. With convenient international freight services, we can deliver goods to wherever you need.
Typically, for small batch orders, we ship within 1-3 weeks upon receiving the prepayment.
Feel free to reach out to us by submitting an inquiry form or visiting our “Contact Us” page,and we will respond to you within 24 hours.
We accept various payment methods including T/T, letter of credit, and PayPal.
We offer tiered pricing, with more favorable prices for bulk orders.
Shipping times vary depending on the method chosen, but generally, goods are delivered within 7-30 days after dispatch.
We offer various shipping methods including by sea, air, truck, and railway.
For any product quality issues, we will respond within 24 hours and provide effective solutions.
Yes, we offer a comprehensive after-sales service, including a 2-year warranty on our products. You can rest assured after purchasing from us.
Yes, we have a professional technical team and our own EMC laboratory.
Yes, but we will review your qualifications to determine if you can become our distributor.
Yes, we accept OEM or ODM orders.
Contact us to get your quote!
Product Category
Contact Us
- 24-hour online service
- Own factory processing
Related Products
Single/Three-phase, 10-30A, 250/480VAC, 50/60Hz
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