Silent Knight 5104B

Fire Alarm Communicator. Four-zone digital communication of fire and trouble.

Condition: New
Brand: Silent Knight
Status: Obsolete
SKU: 29140
Manufacturer Part #: 5104B
Secondary Part #: SK-5104, 005104-L8


The Silent Knight Model 5104B is a six-zone fire control communicator providing digital fire reporting over ordinary telephone lines, eliminating the need for costly leased lines. It’s UL 864 and NFPA 72 approved for monitoring local evacuation controls.

Additional information

Weight 15 lbs
Dimensions 3.00 × 12.25 × 14.50 in


Production Status




  • UL 864 Listed as an NFPA 72 Central Station or Remote Station protected premise unit
  • FM approved
  • Can be used as a stand-alone or as a add-on DACT
  • Six fully supervised inputs: one Class A input, and five Class B inputs
  • Downloadable for remote programming
  • 60 hours of standby power
  • Fuseless overload protection with automatic reset circuitry and fault indicators — eliminates the cause of most field calls.
  • Dual phone line interface Automatic self tests every 24 hours with report sent to central station
  • Reports in SIA and most major communications formats
  • Operates on loop start phone lines ahead of the building PBX system.
  • A single, programmable output is provided for alarm or dialer failed conditions (cannot be used for evacuation purposes).


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5104B; Fire Control Communicator


Silent Knight - Data Sheet

Model 5104B; Fire Communicator


Silent Knight - Installation Sheet