Before every switch-on procedure and during operation a fully automatic verification is performed in order to check the correct supply conditions.
The classic “test button” is eliminated.
Measuring errors caused, for example, by the wearing of a glove when switching on are indicated by the signal unit flashing red. In this case, the PRCD-S+ from PCE gives a visual warning and does not switch on.
Failure situations like external voltage on the PE conductor or fault current above rated values cause a interruption of L and N. The PE conductor stays closed and keeps being monitored !
The PE conductor circuit is switched on in advance and switched off with a delay.
Overvoltage will be detected – the PRCD-S+ switches off or cannot be switched on.
Undervoltage will be recognized and the PRCD-S+ switches off.
The LED signal unit (red/green) visualizes error situations and offers a permanent status indication.
The PRCD-S+ recognises conductor interruptions or wiring errors from the source system.
The PRCD-S+ from PCE is very handy and light weight, much simpler in comparison to an isolation transformer and cheaper in acquisition and usage.
PC Electric GmbH ⋅ 4973 St. Martin im Innkreis, Diesseits 145 ⋅ AUSTRIA
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