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Slient Knight 5820XL

IntelliKnight Addressable Fire Alarm Control Panel, support 99 SK detectors & modules, support for 127 Hochiki, Built-in digital communicator, Central station, Supports Class B


Honeywell IntelliKnight 5820XL Addressable Fire Alarm Control Panel


IntelliKnight 5820XL is the first fire alarm system to provide you with revolutionary value and performance in addressable sensing technology. The 5820XL FACP offers exclusive, built-in digital communication, distributed intelligent power, a modular design and an expanded, easy to use interface. Powerful features such as drift compensation and maintenance alert are delivered in this powerful FACP from Silent Knight.



  • Built in support for 99 SK detectors and 99 SK modules, expandable to 396 SK detectors and 396 SK modules using System Sensor protocol
  • Built in support for 127 Hochiki devices, expandable to 508 Hochiki devices using Hochiki protocol.
  • Uses standard wire no shielded or twisted pair required
  • Built-in digital communicator
  • Central station reporting by point or by zone
  • Built-in synchronization for appliances from AMSECO, Gentex, Faraday, System Sensor, and Wheelock
  • Flexput I/O circuits
  • Supports Class B (Style 4) and Class A (Style 6) configuration for SLC, SBUS, and Flexput circuits
  • Distributed, intelligent power
  • Drift compensation
  • 13 pre-programmed output cadences (including ANSI-3.41) and 4 programmable outputs
  • Built-in annunciator with 80-character LCD display
  • RS-485 bus provides communication to system accessories
  • Built-in RS-232 and USB interface for programming via PC
  • Built-in Form C trouble relay rated at 2.5 amps at 27.4 VDC
  • Improvements in SKSS software deliver five times faster uploads/downloads
  • Two built-in Form C programmable relays rated at 2.5 amps at 27.4 VDC
  • Supports sounder bases
  • 6 amp power supply and maximum charging capacity of 35 amp hours (An additional cabinet enclosure is required for batteries in excess of 18 amp hours)
  • Programmable date setting for Daylight Saving Time
  • Plex-1 door option combines a dead front cabinet door with a clear window, limiting access to the panel while providing single button operation of the reset and silence functions

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