Instant Short Circuit Tripping Setting of Circuit Breaker

Input fields:

  • Phase: Voltage(L-L)
  • Phase: Voltage(L-N)
  • Instantaneous Short-Circuit Triping Set
  • Accuracy
  • Cable Size
  • Cable Material
  • Actual Length of Cable

Selection of Circuit Fuse

  • Circuit Wire Size
  • OUTPUT: Circuit Fuse Size(Max)
Software:Selection of fuse and setting of instant short circuit tripping of CB
Version:22.8.2012 New
Developer:Jignesh Parmar
Size:83.5 Kb
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Selection of fuse and setting of instant short circuit tripping of CB

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Page edited by E.C. (Google).


  1. Dimara
    Jul 27, 2016

    I would like to ask you about the Locked Rotor Current. Why do you use M19 (which is 0.746*M19) instead of K19? Why do you multiply the power in KW with 0.746? Thank you :)

  2. burhanaldin
    Jan 11, 2014


  3. ayob
    Jan 10, 2014

    very thanks for useful spreadsheet

  4. […] as a fuse.Unlike a circuit breaker, fuse is self-destructive which requires replacement after it disconnects a circuit.Some CBs also perform switching function with or without current flowing in the circuit. A hybrid […]

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