-40%
System Sensor D4120 4 Wire Photoelectric Duct Smoke Detector
$ 63.35
- Description
- Size Guide
Description
Features• Photoelectric, integrated low-flow technology.
• Air velocity rating from 100 ft/min to 4,000 ft/min (0.5 m/s to 20.32 m/sec).
• Versatile mounting options: square or rectangular configuration.
• Plug-in sensor offers superb false alarm immunity and the latest sensor technology.
• Broad ranges for operating temperature (–4°F to 158°F) and humidity (0% to 95% non-condensing).
• Patented sampling tube installs from front or back of the detector with no tools required.
• Increased wiring space with a newly added ¾-inch conduit knockout.
• One easy-access Test/Reset button and improved LED status.
• Patented interconnect feature for multi-fan shutdown.
• New high contrast terminal designations.
• Built-in short circuit protection from operator wiring errors.
• Field selectable settings for configuring the detector.
• Two DPDT Form-C relay contacts, 24 VAC/DC or 120VAC