Description
The Silent Knight SK-5210 is a zone expander module designed to double the detection capacity of the SK-5207 fire alarm control panel. It provides eight additional Class B (Style B) initiating device circuits, allowing integration of both 2-wire and 4-wire smoke detectors for enhanced system flexibility and coverage.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Silent Knight |
| Category |
Fire Alarm Equipment |
| Part Number |
SK-5210 |
| Subcategory |
Zone Expander Module |
| Type |
Conventional Zone Expansion |
| Compatible Panel |
Silent Knight SK-5207 Fire Alarm Control Panel |
| Number of Additional Zones |
8 Class B (Style B) zones |
| Expanded System Capacity |
Increases total zones from 8 to 16 |
| Device Compatibility |
2-wire and 4-wire smoke detectors, pull stations, and heat detectors |
| Circuit Supervision |
Fully supervised initiating circuits |
| Wiring Configuration |
Class B (Style B) |
| Mounting Type |
Installs within SK-5207 cabinet or remote accessory enclosure |
| Connection Type |
Plug-in ribbon cable or terminal interface |
| Operating Voltage |
24VDC nominal (from control panel) |
| Material |
High-reliability PCB with protective coating |
| Enclosure |
Compact modular board design |
| Indicators |
LED zone status indicators (if applicable) |
| Dimensions |
10 × 7 × 3 in |
| Weight |
1 lb |
| Certifications |
UL Listed, NFPA 72 compliant |
| Application |
Fire alarm system zone expansion |
Information About SK-5210
The SK-5210 zone expander from Silent Knight increases the input capacity of the SK-5207 conventional fire alarm control panel by providing eight additional Class B detection zones. This optional module enables system scalability for larger installations requiring more detection points, such as multi-room commercial or institutional buildings. It supports both 2-wire and 4-wire smoke detectors as well as manual pull stations, ensuring versatile device compatibility. The SK-5210 integrates seamlessly into the SK-5207 control system through a direct interface connection, maintaining full supervision and alarm reporting functionality. With simple installation and durable design, this module provides a cost-effective solution for expanding existing fire alarm infrastructure.
Key Features
- Eight Additional Detection Zones: Expands SK-5207 capacity from 8 to 16 Class B initiating circuits.
- Flexible Device Compatibility: Supports both 2-wire and 4-wire smoke detectors and manual pull stations.
- Class B Circuit Design: Provides supervised input wiring for reliable fault and alarm detection.
- Seamless Integration: Connects directly to the SK-5207 panel for plug-and-play system expansion.
- Compact and Durable Construction: Lightweight modular board fits neatly into control enclosures.
- Fully Supervised Circuits: Monitors open and short faults across all initiating device loops.
- Efficient Installation: Designed for easy wiring and quick configuration within existing systems.
- UL and NFPA Certified: Complies with recognized fire protection standards for safety and performance.
The SK-5210 delivers the reliability and precision required for scalable fire detection systems, enabling convenient expansion of conventional fire alarm installations.
