Hello all. I'm designing a paging call sysytem with 4 500W class D amplifiers which output 100V audio to loudspeakers in a refinery. I have the amplifiers and the relative Controller Network unit installed in a
600 x 600 x 42 rack unit cabinet. I have the mains voltages output to a multisocket units which I have protected with residual current devices. I was wondering whether it is possible and how so to protect the 100V output from the amplifiers which goes to the loudspeakers within the refinery. By this I mean the terminals in both the cabinet and the relative connections on the loudspeakers. I mean just in case anyone touches the terminals ... to avoid/minimize possible electrical shocks. Regards.- posted
11 years ago