SD500-PS | Silent Knight Single-Action Addressable Pull Station 24VDC
Silent Knight · Industrial Automation & Electrical
Description The Silent Knight SD500-PS is a single-action addressable pull station designed for use with Silent Knight IntelliKnight fire alarm control panels. It operates at 24VDC and provides fast, reliable manual fire alarm activation, featuring gold-plated contacts for corrosion resistance and a key-operated reset for secure maintenance. Technical Specifications Condition New/Never Used Surplus Brand Silent Knight Category Fire Alarm Equipment Part Number SD500-PS Subcategory Addressable Pull Station Type Single-action manual station System Compatibility Silent Knight IntelliKnight addressable FACPs Operating Voltage 24VDC nominal Standby Current 5mA typical Alarm Current 25mA typical Status Indicator Bi-color LED (green for normal, red for alarm) Reset Method Key-operated lock mechanism Contact Type Gold-plated corrosion-resistant contacts Mounting Options Surface mount or flush mount Mounting Box Type Single-gang electrical box Programming Method DIP switch addressing for fast configuration Color Red Construction Material High-impact ABS plastic housing Dimensions 4.5" (H) × 5.5" (W) × 2.0" (D) Operating Temperature Range 32°F to 120°F (0°C to 49°C) Environment Indoor, non-explosive locations Compliance UL Listed, NFPA 72 compliant Country of Origin USA (depending on batch) Weight 2.00 lbs Information About SD500-PS The SD500-PS pull station is part of Silent Knight’s addressable IntelliKnight fire alarm system series, offering dependable manual alarm initiation and simple installation. Designed for fast response, it allows building occupants to trigger a fire alarm with a single downward pull motion. The unit features gold-plated switch contacts to ensure long-term reliability and corrosion resistance, even in humid environments. DIP switch programming simplifies setup and addressing, while the integrated LED provides visual feedback for normal and alarm conditions. Its rugged red ABS housing supports both flush and surface mounting, making it adaptable for various fire protection system layouts. Key Features Single-Action Activation: Provides quick and intuitive alarm initiation with a single downward pull. Addressable Communication: Designed for direct connection to Silent Knight IntelliKnight panels for precise point identification. Key-Operated Reset: Allows authorized personnel to easily reset the station after activation using a standard key lock. Gold-Plated Contacts: Corrosion-resistant design ensures consistent electrical performance over time. DIP Switch Programming: Simplifies device addressing for faster installation and commissioning. Visual Status Indication: LED shows green for normal operation and red during an active alarm for immediate feedback. Flexible Mounting Options: Can be surface- or flush-mounted in a single-gang box for installation versatility. Certified Safety Compliance: UL Listed and NFPA 72 compliant for use in commercial and institutional fire alarm systems. The SD500-PS delivers the reliability and precision required for manual alarm initiation in addressable fire alarm systems, combining durability, serviceability, and user-friendly operation.
Brand: Silent Knight · Category: Industrial Automation & Electrical
Key features
- Single-Action Activation: Provides quick and intuitive alarm initiation with a single downward pull.
- Addressable Communication: Designed for direct connection to Silent Knight IntelliKnight panels for precise point identification.
- Key-Operated Reset: Allows authorized personnel to easily reset the station after activation using a standard key lock.
- Gold-Plated Contacts: Corrosion-resistant design ensures consistent electrical performance over time.
- DIP Switch Programming: Simplifies device addressing for faster installation and commissioning.
- Visual Status Indication: LED shows green for normal operation and red during an active alarm for immediate feedback.
- Flexible Mounting Options: Can be surface- or flush-mounted in a single-gang box for installation versatility.
- Certified Safety Compliance: UL Listed and NFPA 72 compliant for use in commercial and institutional fire alarm systems.
Specifications
| Manufacturer part number | SD500-PS |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Silent Knight |
| Category | Fire Alarm Equipment |
| Part Number | SD500-PS |
| Subcategory | Addressable Pull Station |
| Type | Single-action manual station |
| System Compatibility | Silent Knight IntelliKnight addressable FACPs |
| Operating Voltage | 24VDC nominal |
| Standby Current | 5mA typical |
| Alarm Current | 25mA typical |
| Status Indicator | Bi-color LED (green for normal, red for alarm) |
| Reset Method | Key-operated lock mechanism |
| Contact Type | Gold-plated corrosion-resistant contacts |
| Mounting Options | Surface mount or flush mount |
| Mounting Box Type | Single-gang electrical box |
| Programming Method | DIP switch addressing for fast configuration |
| Color | Red |
| Construction Material | High-impact ABS plastic housing |
| Dimensions | 4.5" (H) × 5.5" (W) × 2.0" (D) |
| Operating Temperature Range | 32°F to 120°F (0°C to 49°C) |
| Environment | Indoor, non-explosive locations |
| Compliance | UL Listed, NFPA 72 compliant |
| Country of Origin | USA (depending on batch) |
| Weight | 2.00 lbs |
| Product type | Addressable Pull Station |
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