Three-Phase Three-Wire EMI Filter
Three-Phase Three-Wire EMI Filter
EMC, EMI Filter for industrial, Three-Phase Three-Wire
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 3-Wire Power Line Filter is meticulously engineered to deliver high-performance electromagnetic interference (EMI) suppression for three-phase power systems. By effectively filtering out unwanted noise and harmonics from power lines, it ensures the stable and reliable operation of electrical equipment. Designed for industries operating in demanding environments, this filter guarantees smooth power transmission while safeguarding sensitive electronic devices from disruptions. Offering exceptional protection, it minimizes system downtime and enhances overall operational efficiency, making it an indispensable solution for critical applications.
The 3-Phase 3-Wire Power Line Filter addresses the pain points of excessive EMI in industrial environments, such as signal instability, equipment malfunction, and reduced power quality. By providing consistent filtering across a wide frequency range, it helps maintain compliance with EMC standards and reduces maintenance needs associated with EMI-related failures.
Compared to other solutions on the market, our 3-Phase 3-Wire Power Line Filter features a robust structure, high insertion loss, and low leakage current. These advantages ensure long-term durability, superior filtering performance, and easy integration into existing systems, giving our customers a reliable edge in demanding operational scenarios.
Learn more in our latest blog:
“How 3-Phase 3-Wire Filters Enhance Power Quality in Industrial Systems”
Typical Applications
The 3-Phase 3-Wire Power Line Filter is widely used in photovoltaic systems and industrial automation equipment, where stable power and EMI suppression are essential for protecting sensitive electronics and ensuring continuous operation.
In variable-speed drives, servo drives, inverters, and converters, the 3-Phase 3-Wire Power Line Filter minimizes conducted noise, ensuring reliable performance and helping prevent system faults caused by electromagnetic interference.
Applications such as elevator control cabinets, UPS systems, motor drives, and power supplies rely on the 3-Phase 3-Wire Power Line Filter to maintain clean power delivery, enhancing system stability and extending equipment lifespan.
Product Features
- Prevents interference voltage
- Easy to install with wiring and safety cover to prevent accidental contact
- Customizable to meet specific customer requirements
- Space-saving, designed for quick and hassle-free installation in various setups
- Available with various output connection options
- Certification: CE approved (designed according to UL939, CSA C22.2 No.8)
Technical Data
| Type | Rated Current (A) | Rated Voltage | Rated Frequency | I Leakage (≤mA) | Test Voltage (2s) | Dim. | Output | Climate Category |
| ND3107-5Q | 5 | 250/440VAC | 50/60Hz | 1 250VAC/50Hz |
Line/Line 1500VDC Line/Ground 2250VDC |
Fig 1 |
|
25/85/21 |
| ND3109-10S | 10 | Fig 2 |
|
|||||
| ND3109-20S | 20 | |||||||
| ND3109-30S | 30 | |||||||
| ND3110-50S | 50 | Fig 3 | ||||||
| ND3111-80S | 80 | Fig 4 | ||||||
| ND3111-100S | 100 | |||||||
| ND3111-150S | 150 | Fig 5 | ||||||
| ND3111-200S | 200 |
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!
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