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 Powerhouse 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

    How to Select Circuit breaker for the High Efficiency Motor? 

    To select circuit breaker for the High efficiency motor, Please follow as specified. 

    1) If the subtransient starting current is known (indicated by the motor manufacturer) and is less than 19 In motor (A peak). In this case, the starter components can be selected directly from the coordination tables from the latest Complimentary Technical Catalog, whatever the value of the starting current (for Id > 7.5 In).
    Example: for a 110 kW 380/415 V 3-phase motor, the selected components are: NSX250-MA220/LC1-F225/LR9-F5371

    2) If the subtransient starting current is unknown or greater than 19 In motor (A peak).In this case, the value used for the motor power in the coordination tables should be increased by 20 % to satisfy optimum starting and coordination conditions.
    Example: for a 110 kW 380/415 V 3-phase motor, the selected components are
    those for a motor power of 110 + 20 % = 132 kW: NSX400 Micrologic 4.3M/LC1-F265/LR9-F5371

    Attached document for further reference. 
     

    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