Silent Knight WSK-PHOTO SWIFT Wireless Addressable Photoelectric Smoke Detector, White
Silent Knight WSK-PHOTO is an intelligent wireless photoelectric smoke detector for Silent Knight SWIFT systems. It transmits a digital representation of smoke density over a Class A wireless mesh to a WSK-WGI gateway and is powered by four CR123A batteries.
SKU: WSK-PHOTO-WHITE
Free 30-Day Returns
Hassle-free returns
1-Year Warranty
Manufacturer warranty
Product details
Silent Knight WSK-PHOTO is an intelligent wireless photoelectric smoke detector for Silent Knight SWIFT systems. It transmits a digital representation of smoke density over a Class A wireless mesh to a WSK-WGI gateway and is powered by four CR123A batteries.
Key features
- Wireless installation for sites where wiring is costly, obtrusive or hazardous
- Class A mesh network
- Frequency hopping
- Bi-directional communications
- Addressable code wheels (rotary address switches)
- Two panel-controlled LEDs (red, green and amber, solid or blink patterns)
- Tamper-resistant: cannot be removed from the base without a tool; base magnet triggers a supervisory tamper fault at the panel if removed
- Functional test with test magnet (M02-04-01 or M02-09-00)
- Commercial applications
Compatibility and documents
Listed as a SWIFT wireless device for the Silent Knight 6820U and 6700 fire alarm control panels, used with the WSK-WGI wireless gateway and the B501W base. The linked document is the official installation and maintenance instructions.
Download the installation instructions (PDF)
Lead time: typically ships in 2–3 weeks.
Specifications
| Model | WSK-PHOTO |
| Detector type | Intelligent wireless photoelectric smoke sensor (plug-in) |
| Operating voltage | 3.3 VDC |
| Standby current | 210 µA @ 3.3 VDC (one communication every 23.8 seconds with LED blink enabled) |
| Maximum alarm current (LED on) | 5 mA @ 3.3 VDC |
| Maximum transmit RF power | 17 dBm |
| Radio frequency range | 902-928 MHz |
| Operating temperature | 32°F to 120°F (0°C to 49°C) |
| Operating humidity | 10% to 93% RH, non-condensing |
| Battery type | 4 Panasonic CR123A or 4 Duracell DL123A |
| Battery life | 2 year minimum |
| Battery replacement | Upon TROUBLE BATTERY LOW display and/or during annual maintenance |
| Height | 2.4 in. (61 mm) installed in B501W base |
| Diameter | 4.0 in. (102 mm) installed in B501W base |
| Weight | 8.1 oz (230 g) installed in B501W base with 4 batteries |
| Spacing | 30 ft in low air flow applications with smooth ceilings (per NFPA 72); keep SWIFT devices at least 2 ft (60 cm) apart without an intervening structure |
| Included base | B501W (per 6820U / 6700 datasheets) |
| Gateway required | WSK-WGI wireless gateway |
| UL Listed | S6173 & S6228 |
| UL 268 | Listed |
| CSFM | 7254-0559:0509, 7272-0559:0506 |
| FM | Approved |
| FCC ID | AUBWFSSD |