Discover our Clipsal Smart Home packages as seen on the Block

in location

OR

I'm looking for

  • Wholesalers
    • Uncheck All Check All
  • EXPERTISE
    • Expand
    • Expand
    • Expand
    • Uncheck All Check All
  • Switchboard Manufacturers
    • Uncheck All Check All
OR

The best way to see what Clipsal electric products can do for your home is seeing them in action at a Clipsal Display Centre.

Product stock may vary according to location. If you're after a specific product range, please check with your chosen location before visiting.

10 Results
    Load More Load Complete
    Change Location

    What is the meaning of the B, C, D, K and Z curves for C60 Multi-9 circuit breakers?

    Issue:  
    What do the B curve, C curve, D curve, K curve and Z curve designations mean on Multi 9 breakers?

    Product Line:
    Circuit Breakers

    Environment:
    Applies to the ac rated C60 Multi-9 devices

    Resolution:
    For C60 Multi-9 devices, ac rated, the following is the meaning of the trip curves:
    B curve: 3.2 - 4.8 times amp rating for UL489 and UL1077 (3 - 5 times amp rating for IEC)
    C curve: 7 - 10 times amp rating
    D curve: 10 - 14 times amp rating
    K curve: 10 - 14 times amp rating
    Z curve: 2.4 to 3.6 times amp rating
    Trip curves are included in the 0860CT0201 catalog.

    Didn’t find what you were looking for?

    Try Searching Again View Our Categories

    Need further assistance?

    Our Customer Care department provides total customer service solutions for our residential, industrial and commercial applications.

    Get Assistance