This FAQ has been written for NEAL (North East Africa and Levant) region. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
Either circuit breakers or fuses can be used as the overcurrent protection for a VFD.
Fuses are less likely to have nuisance outages than circuit breakers and are a better option for circuits that have a high-fault current.
However, fuses can drop out one leg of a three-phase circuit and cause damage to a motor if not properly equipped with phase-loss detection.
Circuit breakers can easily be reset if tripped and do not require spares to be stored, which can be costly.
Fuses are less likely to have nuisance outages than circuit breakers and are a better option for circuits that have a high-fault current.
However, fuses can drop out one leg of a three-phase circuit and cause damage to a motor if not properly equipped with phase-loss detection.
Circuit breakers can easily be reset if tripped and do not require spares to be stored, which can be costly.
Released for: Schneider Electric Egypt and North East Africa
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