Engineering Design

Motor Protection -Direct Temperature Sensing

The service life of electric motors is dependent on two (2) main components: Electrical components (i.e. windings & insulations); Mechanical components (i.e. core, shaft, bearings, frame and cooling system). The most common causes of electric…



Miniature Circuit Breaker Applications

Miniature circuit breakers despite being common in domestic use are not created equal. There are several types of MCBs with different tripping characteristics, each of which are designed for particular application. Table below loist the…



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Voltage Levels – IEC 61000-3-6

The following table provides the different voltage levels as per IEC. It is good to note that [1] is the only IEC standard that mentions about Medium voltage. All other IEC standards consider voltages above…



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