Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Register Log in
  • Congratulations IFRs on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. MakisMakaros

    Rated short-time withstand current Icw of Circuit Breakers

    I forgot to mention that no fuses are used before the Circuit Breakers, so we don't have a series or cascading protection method.
  2. MakisMakaros

    Rated short-time withstand current Icw of Circuit Breakers

    The situation that I have is: Main incomer ACB with 80kA Icw, main Bus-bar with 80kA Icw, vertical (distribution) busbars with 50kA and MCB's, MCCB's connected to the vertical bus-bars are 50kA (some are 80kA). My question is, how is it possible that the main and the vertical busbars have...
  3. MakisMakaros

    Rated short-time withstand current Icw of Circuit Breakers

    The available Short Circuit Current from the supply is 80 kA
  4. MakisMakaros

    Rated short-time withstand current Icw of Circuit Breakers

    Hi all, I have a LV MCC with rating 3NPE ~50Hz 380V/TN-S 2850A 80kA 1s 176kA peak. The incoming protection Circuit Breaker will of course have a rated short-time withstand current Icw=80kA. My question is, can the vertical bus-bars and the outgoing groups protection Circuit Breakers have a...

Part and Inventory Search

Back
Top Bottom