FAQs on lighting control with presence detectors, twilight switches and staircase light time switches

On this page we have brought together the most important questions and answers on the topic of lighting control with Presence detectorsTwilight switches and Staircase time switches.

How high is the current consumption of the ThebenHTS compact office 24V?

If no relay has become operative, the current consumption of the ThebenHTS compact office 24V is 0.4 Watts.  If both relays have become operative, the current consumption is 0.8 Watts.    

With Staircase light time switch ELPA 1 is it essential to connect 230 V (terminal L + N) when the multi-voltage input is used?

Yes, the 230 V operating voltage of the staircase light time switch ELPA 1 is essential.

Which light sensor matches the LUNA 111 top2 twilight switch?