SK-5808 | Silent Knight 127-Point Addressable Fire Alarm Control Panel with Communicator
Silent Knight · Fire & Life Safety
Description The Silent Knight SK-5808 is a single-loop, addressable fire alarm control panel that supports up to 127 devices with integrated digital communication. It combines advanced sensing technology, distributed intelligent power, and an easy-to-use interface to provide dependable fire detection and reporting. Technical Specifications Condition New/Never Used Surplus Brand Silent Knight Category Fire Alarm Systems Part Number SK-5808 Subcategory Fire Alarm Control Panels Primary AC 120 Vrms at 50/60 Hz, 2.75A Operating Voltage 27.4 VDC system power Total Accessory Load 6A @ 27.4 VDC Notification Power 6A @ 27.4 VDC, power-limited Notification & Auxiliary Circuits 3A per circuit @ 27.4 VDC Standby Current 170 mA Alarm Current 365 mA Battery Charging Capacity 7.0–35 AH Battery Size in Panel 18 AH max. (larger batteries in RBB cabinet) Zone Capacity Up to 125 zones Output Groups Up to 125 Relays One Form C trouble relay, two Form C programmable relays (2.5A @ 27.4 VDC each) Communication Interfaces Built-in digital communicator, RS-485 bus, RS-232, USB Supported Protocols SK and SD (not mixable on same loop) Operating Temperature 32°F to 120°F (0°C to 49°C) Enclosure Color Red Flush Mount Dimensions 14.5" W x 24.75" H x 3.5" D (36.8 x 62.9 x 8.73 cm) Overall Dimensions 16" W x 26.4" H x 4.65" D (40.6 x 67 x 11.8 cm) Weight 28 lbs (12.8 kg) Information About SK-5808 The SK-5808 is part of Silent Knight’s IntelliKnight® series, designed to deliver advanced fire protection with addressable technology and built-in digital communication. It supports up to 99 SK detectors, 99 SK modules, or 127 SD devices, along with 125 programmable zones and output groups, making it highly versatile for a range of building applications. The system integrates distributed intelligent power, drift compensation, and maintenance alerts, helping reduce false alarms and improve long-term reliability. With features such as built-in annunciator, RS-485 communication, PC connectivity via USB or RS-232, and compatibility with system accessories like the 5860 remote annunciator and 5824 printer interface, the SK-5808 offers scalability and convenience for modern fire protection systems. Key Features: Addressable Capacity: Supports up to 127 addressable points, including SK and SD protocol devices. Flexible Zoning: Provides up to 125 programmable zones and 125 output groups for system organization. Integrated Communicator: Dual-line digital communicator supports detailed reporting to remote monitoring stations. Notification Options: Four outputs configurable as 2 Class A (Style Z) or 4 Class B (Style Y), plus auxiliary power. Relay Integration: Includes one Form C trouble relay and two Form C programmable relays rated at 2.5A. Advanced Detection Features: Drift compensation and maintenance alerts enhance performance and reduce false alarms. Programmable Outputs: Offers 13 pre-programmed cadences including ANSI 3.41, with four programmable outputs. Service and Programming Tools: Built-in LCD annunciator, USB/RS-232 interface, remote upload/download, and event history storage. Device Synchronization: Supports AMSECO, Gentex®, Faraday, System Sensor®, and Wheelock® appliances for compliance. The SK-5808 delivers the reliability and precision required for modern addressable fire detection, comprehensive alarm reporting, and large-scale system integration.
Brand: Silent Knight · Category: Fire & Life Safety
Key features
- Addressable Capacity: Supports up to 127 addressable points, including SK and SD protocol devices.
- Flexible Zoning: Provides up to 125 programmable zones and 125 output groups for system organization.
- Integrated Communicator: Dual-line digital communicator supports detailed reporting to remote monitoring stations.
- Notification Options: Four outputs configurable as 2 Class A (Style Z) or 4 Class B (Style Y), plus auxiliary power.
- Relay Integration: Includes one Form C trouble relay and two Form C programmable relays rated at 2.5A.
- Advanced Detection Features: Drift compensation and maintenance alerts enhance performance and reduce false alarms.
- Programmable Outputs: Offers 13 pre-programmed cadences including ANSI 3.41, with four programmable outputs.
- Service and Programming Tools: Built-in LCD annunciator, USB/RS-232 interface, remote upload/download, and event history storage.
- Device Synchronization: Supports AMSECO, Gentex®, Faraday, System Sensor®, and Wheelock® appliances for compliance.
Specifications
| Manufacturer part number | SK-5808 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Silent Knight |
| Category | Fire Alarm Systems |
| Part Number | SK-5808 |
| Subcategory | Fire Alarm Control Panels |
| Primary AC | 120 Vrms at 50/60 Hz, 2.75A |
| Operating Voltage | 27.4 VDC system power |
| Total Accessory Load | 6A @ 27.4 VDC |
| Notification Power | 6A @ 27.4 VDC, power-limited |
| Notification & Auxiliary Circuits | 3A per circuit @ 27.4 VDC |
| Standby Current | 170 mA |
| Alarm Current | 365 mA |
| Battery Charging Capacity | 7.0–35 AH |
| Battery Size in Panel | 18 AH max. (larger batteries in RBB cabinet) |
| Zone Capacity | Up to 125 zones |
| Output Groups | Up to 125 |
| Relays | One Form C trouble relay, two Form C programmable relays (2.5A @ 27.4 VDC each) |
| Communication Interfaces | Built-in digital communicator, RS-485 bus, RS-232, USB |
| Supported Protocols | SK and SD (not mixable on same loop) |
| Operating Temperature | 32°F to 120°F (0°C to 49°C) |
| Enclosure Color | Red |
| Flush Mount Dimensions | 14.5" W x 24.75" H x 3.5" D (36.8 x 62.9 x 8.73 cm) |
| Overall Dimensions | 16" W x 26.4" H x 4.65" D (40.6 x 67 x 11.8 cm) |
| Weight | 28 lbs (12.8 kg) |
| Product type | Fire Alarm Control Panels |
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