For ventilation Special features: Operated with 230 V mains voltage and is therefore without ballast unit Potential-free contact for message "Not CLOSED" (contact closes when leaving position CLOSED) Technical data Version M3/...-500N/LA/EV1/AC Electrical properties Rated voltage 230 V AC/50 Hz (-15 %/+10 %) Nominal current approx. 0.2 A Cut-off electronic load cut-off,...