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.

Typical Applications

  • Photovoltaic systems
  • Industrial automation equipment
  • Variable-speed drives
  • Servo drives
  • Inverters and converters
  • Elevators control cabinet
  • Power supplies
  • 3-phase power systems like UPS
  • Motor drive applications

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!

Related Products

Single-phase, 1-16A, 125/250VAC, 50/60Hz

Three-phase, 5-1600A, 250/440VAC, 50/60Hz

Single/There-phase, 1-100A, 125/250VAC, 50-400Hz

Single-phase, Two-Stage, 1-200A, 125/250VAC

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