Products / Emergency Announcement and Audio Systems / 4EVAC / C-500 End-of-Line Supervision Unit. EN54-16 Approved 4E-EOL
4EVACC-500 End-of-Line Supervision Unit. EN54-16 Approved4E-EOL
Product Code: 4E-EOL
An end-of-line (EOL) supervision unit for the C500. It is fitted at the far end of the loudspeaker line; because line integrity is read back from here at 20 kHz, a cable break or short circuit is reported as a fault without waiting for an alarm. 4EVAC lists the module with a thermal fuse, a 250 ohm load setting (125 ohm when cascaded) and under EN 54-16; the Ministry's General Technical Specification (22.3) requires all loudspeaker lines to be monitored for short-circuit, open-circuit and earth faults.
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