Sealed Unit Parts Co D4120 Duct Smoke Detector 24 v ac 120 v ac

Product Description

The Sealed Unit Parts Co D4120 is a 4-wire photoelectric duct smoke detector suitable for various duct configurations. It is designed to operate in airflow speeds from one hundred to four thousand feet per minute, making it effective in diverse conditions. This detector works in temperatures between negative four to one hundred fifty-eight degrees Fahrenheit and in humidity levels from zero to ninety-five percent (non-condensing).

• 4-wire photoelectric, integrated low flow technology
• Air velocity rating from 100 to 4000 ft./min.
• Versatile mounting options are square or rectangular configuration

Product Highlights

This smoke detector features a plug-in sensor that enhances false alarm immunity with easy installation and maintenance. The design allows for a spacious wiring area and includes a three-quarter-inch conduit knockout. Up to fifty detectors can be interconnected. When one unit detects smoke, all interconnected units will activate, allowing for pinpointing of the fire source.

Product Information

Standard Information

• Brand: Sealed Unit Parts Co (SUPCO)
• MPN: D4120

Technical Specifications

• Airflow Speed: 100 to 4000 ft./min.
• Operating Temperature: -4 to 158 degrees F
• Humidity Range: 0 to 95% (non-condensing)
• Sensor Configuration: 4-wire
• Relay Contacts: 2 DPDT form-C
• Voltage: 24 v ac/dc or 120 v ac
• Interconnection Capability: Up to 50 detectors
• Test/Reset Button: Yes