Published:
14 September 2012
Category:
Q&A
A. Speight asks whether he needs to use relays and contactors to operate a locally switched lighting system that is switched using the incoming telephone signal. His question has been answered by Schneider Electric (Theme – Electrical Control):
This Q & A is one of thousands posted in our Technical Expertise area, and answered on a daily basis by our Voltimum Experts.
Question: I need to design a lighting system that has local switching. Also, it must be switched by an incoming telephone signal.
Do I need to use relays and contactors? If so, which type?
Answer: You could consider using the Zelio Logic programmable relay with a PSTN modem interface module to control a contactor, which would switch the lighting circuit on.
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