I actually had a call from Schneider technical to assist in selecting a downstream protection sub board circuit breaker. They mentioned a suggestion to put fuses in the board.
*This off course the solution to lift the kA rating for the down stream designed equipment.
I could not help but to smile and confirm Schneider has some beautifully designed “cascadable” ciruit breakers for just about any solution.
As an after thought I mentioned that designing with fuses – I don’t think electricians appreciate it much. – even though one can add the striker with switch method – you have to have the fuses at hand when they blow -don’t you?
If I am the maintenance electrician I will swear you to hell and gone when the motors start burning because of single phasing – because it is not traditional to have single phase protection in plants.
Ahhh, but did you know that Lovato overloads actually has phase loss protection – actually to be more precise – before I sell an idea that’s not totally true -it is “phase failure sensitive”?
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