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Home > Products > AC EMI Filter > 3 Phase Filter > Three Phase Four Line EMI Noise Filter
Three Phase Four Line EMI Noise Filter
Three Phase Four Line EMI Noise Filter
  • Three Phase Four Line EMI Noise Filter
  • Three Phase Four Line EMI Noise Filter

Three Phase Four Line EMI Noise Filter

    Payment Type: T/T
    Incoterm: FOB,CFR,CIF,EXW
    Min. Order: 2 Piece/Pieces
    Delivery Time: 7 Days
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Basic Info

Operating Frequency: 50/60Hz

Climatic Category(IEC 60068-1): 25/085/21(-25℃/+85℃ Damp Heat Test For 21 Days)

Rated Voltage: 440VAC

Rated Current: 0.5~800A@40℃

Test Voltage: 2250VDC, 3S(line-line); 1760VDC, 3S(line

Additional Info

Packaging: Carton

Productivity: 500,000pcs annually

Brand: FILTEMC

Transportation: Ocean,Air

Place of Origin: Jinan

Certificate: ISO9001, CE, UL, TUV, RoHS

HS Code: 8548900001

Port: Qingdao,Jinan,Beijing

Product Description

High Performance Three Phase Four Line EMI Noise Filter is produced accoring to customer's requirements.

We can provide in-time quotation. Samples can be ready within 3 days.

All the products will be inspected before delivery.

The most important thing is that our leadtime can meet the customers' requirement.

Features and Benefits of Three Phase Four Line EMI Noise Filters:

  • Suitable for three-phase plus neutral line power supply.
  • Compact structure, simple and time-saving installation, specially suitable for applications with limited space, highly cost effective.
  • FT410 series are one-stage common mode general purpose three-phase four-line filters.
  • Excellent common and differential mode filtering effect for interference from 150KHz to 30MHz.


Typical Applications of Three Phase Four Line EMI Noise Filters:

  • Machine tools
  • Power inverter
  • Frequency conversion equipment
  • Mechanical equipment Automation equipment
  • Medical device and other electric applications with three-phase and neutral power supply


Technical Data of FT410 Series EMI Filters


Important Note on Three Phase Four Line EMI Noise Filter:

1. Storage of EMI Filters:EMI filters mustn't be left out in the heat of the sun or exposed to the rain, it should be stored in warehouse with good ventilation, surrounding temperature between -30℃ and +65℃ , the highest relative air humidity lower than 90%, and no corrosive liquid or gas.

2. Installation of Three Phase Four Line EMI Noise Filters:


  • EMI filters should be installed at power input, and the line inside the chassis be as short as possible to reduce radiated interference.
  • Both input and output lines of EMI filters neither be intersected nor be tied up by string.
  • Make sure the mounting flange fully grounded, and keep the ground cable as short as possible if filters are connected to other equipment.
  • If the terminal is stud, please use two spanners to fasten the screw nut when connecting to avoid stud rotating and thus causing changes to the internal circuit and consequently leading to filters arcing, short circuit, broken down or the filtering effect worsened. First use spanner1 to fix the screw nut near the metal case, then use spanner2 to tighten the screw nut in front( shown as Figure1), otherwise the terminals may be damaged. Apply the same for the connection of other phases.
  • Keep the tools fastening the stud be vertical to the metal case of filter when installing terminal block filters ( shown as Figure2 ), must not tilt( shown as Figure3 ), otherwise the terminal blocks may be damaged.


3. Reminding and Warning:

Please read all the safety warnings and instructions before installing filters and putting them into use:


  • Don't take terminals as supporting point when moving filters to avoid the terminals distortion, loosening or broken.
  • The protective earth connections shall be the first to be made when theThree Phase Four Line EMI Noise Filter is installed and the last to be disconnected.
  • Filters generate leakage current, please make sure they are well grounded before putting into operation.
  • If the rated current is higher than 50A, we recommend grounding by the earth terminals but not only through the metal case of filters.
  • Danger of electric shock: EMC filters contain components that store an electric charge. Dangerous voltages can continue to exist at the filter terminals for longer than five minutes even after the power has been switched off. The working conditions ofThree Phase Four Line EMI Noise Filter should comply with the technical parameters stated on the label, over voltage or overload could cause damage to filters. It is suggested to take proper over current protection measures.
  • Current drop occurs when the surrounding temperature rise, fail to follow the current drop requirement may lead to impermissible exceeding of the component temperature, as a result the service life of filters will be shortened after long time running.


Looking for ideal Three Phase Filter Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Three Phase Four Line Filter are quality guaranteed. We are China Origin Factory of Three Phase Noise Filter. If you have any question, please feel free to contact us.

Product Categories : AC EMI Filter > 3 Phase Filter

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