In den Stromkreis des Heizgerätes darf kein Fehlerstrom-Schutzschalter eingebaut werden, da der Ofen bei Erdung ausreichend geschützt ist. Fehlerstrom-Schutzschalter dienen der Sicherheit von Elektrokleingeräten, wie z. B. einer Kaffeemaschine.
According standard 60364-7-703 (Electrical installations of buildings) part 703.412.5, the sauna heater shall not be connected via residual current protective device (RCDs). Only a certified electrician is allowed to connect your electrical sauna heater.
703.412.5 Additional protection by residual current protective devices (RCDs)
Additional protection shall be provided for all circuits of the sauna, except for the sauna heater, by the use of one or more residual current protective devices with a rated residual operating current not exceeding 30 mA.
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