5104B | Silent Knight Six-Zone Addressable Fire Alarm Control System

Silent Knight · Fire & Life Safety

Description  The Silent Knight 5104B is a six-zone fire control communicator designed to provide digital fire reporting over standard telephone lines, eliminating the need for costly leased connections. It is UL 864 and NFPA 72 approved, fully supervised, and capable of monitoring sprinkler systems, fire detection systems, and dry contact alarm devices.     Technical Specifications  Condition New/Never Used Surplus Brand Silent Knight Category Fire Alarm Systems Part Number 5104B Subcategory Fire Control Communicators Primary AC 120 VAC 60 Hz, 40 watts Standby Current 50 mA Alarm Current 135 mA Stand-Alone Power Input 120 VAC 60 Hz, 40 watts Standby Battery 12V 7 AH rechargeable (max three per system) Load Current 60 mA standby, 120 mA alarm Inputs Six supervised (1 Class A, 5 Class B) Programming Remote downloadable Indicators Power (Green), Trouble Silenced (Yellow), Dialer Failure (Yellow), Telephone Line Fault (2 Red) Operating Temperature 32°F to 120°F (0°C to 49°C) Humidity 10%–93% non-condensing Dimensions 12.25" W x 14.5" H x 3.0" D (31.1 x 36.8 x 7.6 cm) Weight 15 lbs (6.75 kg) Color Red Communication Formats SIA, SK 3/1, Sescoa 3/1, Contact ID, SK 4/2, Radionics BFSK Telephone Requirements FCC registered, RJ31X jack (2 required), Ringer equivalence 0.0B Relay Output Single programmable output for alarm or dialer failed condition Battery Charging Capacity Supports 60 hours of standby power Approvals UL864, NFPA 72, FM, CSFM, MEA   Information About 5104B The 5104B is a supervised fire control communicator that delivers digital reporting of alarm, trouble, and supervisory signals through standard phone lines. It supports six inputs, including one Class A and five Class B circuits, and can monitor sprinkler systems, valve tampers, or contact-type alarm devices. The communicator automatically tests its phone line interface every 24 hours and switches to a backup line if the primary fails for more than 60 seconds, ensuring reliable transmission. With fuseless overload protection, automatic reset circuitry, and remote programmability, the 5104B is designed to reduce service calls and streamline fire protection monitoring. Key Features: Six Supervised Inputs: Includes one Class A input and five Class B inputs for versatile system monitoring. Reliable Digital Communication: Transmits alarm, trouble, and supervisory conditions via standard telephone lines. Stand-Alone or Add-On Use: Functions as a dedicated communicator or as a DACT for an existing fire alarm system. Automatic Supervision: Continuously monitors AC, batteries, zone inputs, and phone lines, with local trouble alerts. Phone Line Redundancy: Dual-line interface with automatic switchover if the primary line fails. Remote Programming: Supports downloadable programming for efficient configuration and updates. Overload Protection: Features fuseless automatic reset circuitry and fault indicators to reduce field maintenance. Long Standby Power: Provides up to 60 hours of standby operation with approved rechargeable batteries. The 5104B delivers the reliability and precision required for digital fire reporting, remote supervision, and NFPA-compliant fire monitoring applications.

Brand: Silent Knight · Category: Fire & Life Safety

Key features

• Six Supervised Inputs: Includes one Class A input and five Class B inputs for versatile system monitoring.
• Reliable Digital Communication: Transmits alarm, trouble, and supervisory conditions via standard telephone lines.
• Stand-Alone or Add-On Use: Functions as a dedicated communicator or as a DACT for an existing fire alarm system.
• Automatic Supervision: Continuously monitors AC, batteries, zone inputs, and phone lines, with local trouble alerts.
• Phone Line Redundancy: Dual-line interface with automatic switchover if the primary line fails.
• Remote Programming: Supports downloadable programming for efficient configuration and updates.
• Overload Protection: Features fuseless automatic reset circuitry and fault indicators to reduce field maintenance.
• Long Standby Power: Provides up to 60 hours of standby operation with approved rechargeable batteries.

Specifications

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