Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

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

Search results for query: *

  1. gunter

    Monitoring obsolescence of electronic circuits

    Today electronic circuits have a life-cycle of 36..72 months. But several electronic product segments like automotive or automation need availability of the circuits for 10 or even 20 years (for extensions and repair). At my company we seek an early warning system to monitor our whole range of...
  2. gunter

    Minimum no. of CB opening on full SC current w/o maintenance

    10 years ago I was with a CB manufacturer and I like to comment this matter. Both ANSI C37 and IEC56 are not very specific on this topic of CB condition after SC interuption. Therefor manufacturers and independent test institutes usually perform additional tests on HV circuit breakers after a...
Back
Top