Current-load relievers

Thermostats and Controls

Current-load relievers

Where necessary, current limiters temporarily disconnect selected circuits (electric water heater, corridor heating, bedrooms, etc.) to ensure that the current drawn does not exceed the set value, for example, the rating of the main circuit breaker.

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A practical example of this is in family homes. If, during the day, there is a simultaneous occurrence of relatively short-term but energy-intensive appliances (induction hob, dishwasher, washing machine, microwave, etc.), the current load reducer gradually disconnects less essential circuits, such as the water heater, or the heating in the bedroom or bathroom. But only until the peak demand drops again. As a result, the house can have a main circuit breaker rated at just 3 × 25A, instead of the usual 3 × 32A. A lower-rated circuit breaker means not only a lower connection fee, but also lower standing charges for reserved power capacity.