Silent Knight 5820XL Addressable Fire Alarm Board Only

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  • Regular price $1,987.69




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 SD devices, expandable to 508 SD devices using the SD 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

• 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

• 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

• 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


The 5820XL can be surface or flush mounted


The 5820XL signal line circuit (SLC)

supports multiple device types of the same


• SK (System Sensor)

• SD

You cannot mix SD and SK SLC devices on a FACP.