Product Details
Description
- Photoelectric, integrated low-flow technology
- NEMA 4 models for outdoor mounting
- Versatile mounting options: square or rectangular configuration
- Plug-in sensor offers superb false alarm immunity and the latest sensor technology
- 2:1 sensor-to-power capability allows one power board to monitor both supply and return smoke sensors
- Patented sampling tube installs from front or back of the detector with no tools required
- Increased wiring space with a newly added 3/4-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
- Backward compatibility
D4120W
ResideoSystem SensorGenesisHoneywell AnalyticsThermal SolutionsSalisburySelecta IncHoneywellSelectaFirst AlertBRKAubeHoward LeightAirSoft
