This guidance covers circuit-breakers conforming with BS EN 60898 series (commonly referred to as MCBs) and BS EN 61009 series (commonly referred to as RCBOs).
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Primarily, circuit-breakers are selected for overcurrent protection of the wiring system and fault / electric shock protection. In certain cases, to avoid unintentional operation, the peak current values of the loads have to be taken into consideration. This guide relates to selection of circuit-breakers when supplying LED lighting so as to avoid unintentional operation by inrush currents.
The circuit-breakers considered in this guide are those conforming with:
• BS EN 60898 series which are referred to as MCBs, and
• BS EN 61009 series which are referred to as RCBOs