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SASK 421.4

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Description

Description

Protection plug-in current transformers for primary nominal currents from 200 A up to 400 A, secondary nominal current 5 A or 1 A (optional 2A) in protection class 5P5 and 10P5.

Technical Data

  • Therm. nominal continuous current Icth: 1,2 x IN
  • Therm. nominal short-time current Ith: 60 x IN, 1 sec.
  • Max. operating voltage Um: 0.72 kV
  • Isolation test voltage: 3 kV, Ueff, 50 Hz, 1 min.
  • Nominal rated frequency: 50...60 Hz
  • Isolation class: E
  • Bus bar 1: 20 x 10 mm
  • Round conductor: 20 mm
  • Width: 71 mm
  • Height: 85,5 mm
  • Depth: 58 mm
 
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