Three-phase Input Filter

Three-phase Input Filter
3-Line EMI Filter, Series A

Construction
3-phase, 3-wire filter
Metal case
Various terminal connection configurations

Features
1. High insertion loss
2. Excellent EMI noise suppression
3. Optimized for long motor cable and operation under full load
4. Guaranteed compliance with EN 55011/IEC 61800-3
5. Design complies with IEC 60939, UL 1283, CSA 22.2 No.8

Inverters and Frequency Converters Applications
Elevators, cranes, traction system
HVAC systems (heating, ventilation and air conditioning)
General three phase motor drive systems
Machine tools: printing machine, packaging machine, milling and drilling machine,
Textile machine
Three-phase power supplies and UPS

Technical Data
Rated voltage(VR) 440VAC, 50/60Hz
Rated current(IR) 5 ~ 1200A @ 40 °C
Test voltage(VP) 2250VDC, 5S(Line to line) 2550VDC, 5S(Line to case)
Temperature range (operation and storage) -25 °C /+85 °C (25/085/21 IEC 60068 − 1)
Overload capability (thermal) 1.5 x IR 3min/hour 2.5 x IR 30s/hour
Filter Selection Table
Filter type Rated current @40°C [A] Typical drive power rating[KW] Leakage current @400VAC/50Hz [mA] Rtyp[mΩ] Input/Output connections Dimensions Weight
NFI-0005-SA 5 0.75 ~ 1.5 < 6 18     Picture A 0.8
NFI-0010-SA 10 2.2 ~ 4 < 6 7     Picture B 1.5
NFI-0020-SA 20 5.5 ~ 7.5 < 6 7.4     Picture C 2.8
NFI-0036-SA 36 11 ~ 15 < 6 3.7     Picture C 3
NFI-0050-SA 50 18.5 ~ 22 < 6 2.1     Picture C 3.1
NFI-0065-SA 65 30 < 10 1.9     Picture D 5
NFI-0080-SA 80 37 < 10 2.3     Picture E 7.2
NFI-0100-SA 100 45 < 10 2.1     Picture E 7
NFI-0150-SA 150 55 ~ 75 < 10 1.9     Picture E 7.7
NFI-0200-SA 200 90 < 30 0.4     Picture F 5.5
NFI-0250-BA 250 110 ~ 132 < 30 0.22     Picture G 6.9
NFI-0300-BA 300 160 < 30 0.21     Picture G 6.9
NFI-0400-BA 400 200 < 30 0.1     Picture H 12
NFI-0600-BA 600 215 ~ 315 < 30 0.13     Picture H 12.4
NFI-0900-BA 900 400 < 30 0.19     Picture I 21.5
NFI-1200-BA 1200 630 < 30 0.12     Picture I 21.7

Note: If the leakage current of the filter is greater than 0.5mA, the product should not be used unless there is reliable grounding connection and protective measures. Otherwise, the risk of electric shock exists.

Electrical Diagram
  • NFI-0005-SA~NFI-0036-SA
  • NFI-0050-SA~NFI-1200-BA
Conducted emission measurement
Hz (MHz) 0.15 0.5 1 5 10 30
Input side noise level without EMI Filters(AV/dBμV) 92 84 80 66 61 44
Input side noise level with EMI Filters(AV/dBμV) 20 25 34 32 40 36
Noise damping factor due to EMI Filter application 3981-fold 891-fold 199-fold 50-fold 11-fold 2.5-fold
Product Size
  • Picture A
  • Picture B
  • Picture C
  • Picture D
  • Picture E
  • Picture F
  • Picture G
  • Picture H
  • Picture I
Insertion Loss (typical values at Z=50Ω))
  • NFI-0005-SA
  • NFI-0010-SA
  • NFI-0020-SA
  • NFI-0036-SA
  • NFI-0050-SA
  • NFI-0065-SA
  • NFI-0080-SA
  • NFI-0100-SA
  • NFI-0150-BA
  • NFI-0200-BA
  • NFI-0250-BA
  • NFI-0300-BA
  • NFI-0400-BA
  • NFI-0600-BA
  • NFI-0900-BA
  • NFI-1200-BA

  • common mode
  • differential mode
3-Line EMI Filter, Series B

Construction
Three-phase, 3-wire filter
Metal case
Solid and safe connector blocks
Book style design

Product Features
1. Compact book style design and low weight
2. High insertion loss
3. Excellent EMI noise suppression
4. Degree of protection IP20
5. Ensured compliance with EN 55011/IEC 61800-3
6. Design complies with IEC 60939, UL 1283, CSA 22.2 No.8

Applications
3-phase variable speed motor drives, servo drives, inverters and converters machines or process automation equipment
HVAC equipment, elevators, power supplies, UPS
Machine tools: printing machine, packaging machine, milling and drilling machine, textile machine and so on.

Technical Data
Rated voltage(VR) 480VAC, 50/60Hz
Rated current(IR) 7 ~ 150A @ 40 °C
Dielectric breakdown voltage(VP) 2250VDC, 5S(Line to line) 2550VDC, 5S(Line to case)
Temperature range(operation and storage) -25 ° C /+100 °C (25/100/21 IEC 60068 − 1)
Overload capability (thermal) 1.5 x IR 3min/hour 2.5 x IR 30s/hour
Filter Selection Table
Filter type Rated current@40 °C
[A]

Typical VFD power rating[KW]

Leakage current @400VAC/50Hz
[mA]
Rtyp[mΩ] Input/Output connections
Dimensions
Weight
NFI-0007-TB 7 4 < 5 9     Picture A 0.9
NFI-0016-TB 16 7.5 < 5 7     Picture B 1.2
NFI-0030-TB 30 15 < 5 5     Picture C 1.6
NFI-0042-TB 42 18.5 < 5 3.2     Picture C 1.6
NFI-0050-TB 50 22 < 5 2.1     Picture D 3.1
NFI-0065-TB 65 30 < 5 1.9     Picture D 3.1
NFI-0080-TB 80 37 < 10 2.3     Picture E 6
NFI-0110-TB 110 45 < 10 2     Picture E 6
NFI-0150-TB 150 55~75 < 10 1.8     Picture E 6

Note: If the leakage current of the filter is greater than 0.5mA, the product should not be used unless there is reliable grounding connection and protective measures. Otherwise, the risk of electric shock exists.

Electrical Diagram
  • NFI-0007-TB~NFI-0042-TB
  • NFI-0050-TB~NFI-0150-TB
Conducted emission measurement
Frequency (MHz) 0.15 0.5 1 5 10 30
Input side noise level without EMI Filter (AV/dBμV) 92 84 80 66 61 44
Input side noise level with EMI Filters(AV/dBμV) 20 25 34 32 40 36
Noise damping factor due to EMI Filter application 3981-fold 891-fold 199-fold 50-fold 11-fold 2.5-fold
Construction
  • Picture A
  • Picture B
  • Picture C
  • Picture D
  • Picture E
Insertion Loss(typical values at Z=50Ω)
  • NFI-0007-TB
  • NFI-0016-TB
  • NFI-0030-TB
  • NFI-0043-TB
  • NFI-0050-TB
  • NFI-0065-TB
  • NFI-0080-TB
  • NFI-0150-TB

  • common mode
  • differential mode

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