Silent Knight SK-PHOTO-R-W Addressable Photoelectric Smoke Detector with Remote Test Input.

Compliance

• UL Listed
• UL 268
• NFPA 72
• ULC S536

Key features

• Photoelectric sensing with a remote test input for walk-test without entering protected space
• Operating range 15 to 32 VDC; alarm current 2 mA at 24 VDC
• Duct-suitable temperature range: -4°F to 158°F (-20°C to 70°C) in duct applications
• Airflow range 0 to 4,000 ft/min (0 to 1,219 m/min) for duct applications
• Rotary dial address switches and 10% to 93% non-condensing humidity rating

The SK-PHOTO-R-W is an addressable photoelectric smoke detector with a remote LED annunciator output and test capability for the Silent Knight SK protocol SLC. ULC S536 listing indicates compliance with Canadian maintenance standards, making this model appropriate for cross-border projects. It integrates with Silent Knight 5820XL and 6500 series panels (a Honeywell brand). The remote test input lets technicians initiate functional tests from a control point without entering the detector's coverage area.

Verify panel/device family compatibility before ordering.