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  Voltage range:
 
 
   400 – 520 V AC,  50 / 60 Hz
 
 
  Rated current:
 
 
   6 – 1000 A
 
 
  3 Phases + Neutral
 
  
 
  NF-4-FTN
 
 
  High Performance Compakt Filters
 
 
  Current ratings 8 – 160A
 
 
  High attenuation
 
 
  Compact style housing
 
 
  Hohe Sättigungsfestigkeit
 
 
  High saturatuion strenght
 
 
  UL approval
 
  
 
  NF-K-4
 
 
  High Performance 2-Stage Filters
 
 
  Current ratings 16 – 180A
 
 
  Very high attenuation
 
 
  Very low leakage current
 
 
  Small dimensions (bookstyle)
 
 
  For high emissions
 
 
  UL approval
 
  
 
  NF-4
 
 
  High Performance Four-Line Filters
 
 
  Current ratings 6 – 1000A
 
 
  Very high attenuation
 
 
  Very low leakage current
 
 
  High saturatuion strenght
 
 
  For high emissions
 
  
 
  NF-4-SD
 
 
  4-Line Compact filter
 
 
  Current ratings 6 – 20A
 
 
  Very low leakage current
 
 
  Very compact style housing
 
 
  For industrial applications
 
 
  UL approval
 
 
  NF-4-FTR
 
 
  Compact Main Input Filters
 
 
  Current ratings 8 – 160A
 
 
  High attenuation
 
 
  Very low leakage current
 
 
  Compact style housing
 
 
  Suitable as main input filter
 
  
  
 
  NF-4-FSK
 
 
  Compact Filter for Industrial Applications
 
 
  Current ratings 16 – 100A
 
 
  High attenuation
 
 
  Very low leakage current
 
 
  Compact style housing
 
 
  For industrial applications
 
  
 
  NF-4-FTT
 
 
  High Performance Collective EMC Filters
 
 
  Current ratings 16 – 200A
 
 
  High attenuation
 
 
  Very low leakage current
 
 
  Compact style housing
 
 
  Suitable as main input filter
 
  
 
  NF-4-PPR
 
 
  Universal Main Supply Filters
 
 
  Current ratings 8 – 250A
 
 
  High attenuation
 
 
  Very low leakage current
 
 
  Flat style housing
 
 
  Suitable as main input filter