Description
The System Sensor D4P120 is a 4-wire photoelectric duct smoke detector designed for use in HVAC duct systems operating on 120V AC power. This detector utilizes photoelectric sensing technology to identify smoke particles within the air stream, providing early warning of potential fire conditions before smoke is distributed throughout the building. The 4-wire configuration supports reliable integration with fire alarm and control systems, while the 120V AC operation makes it suitable for applications requiring line-voltage power. The D4P120 is commonly installed in air handling units, rooftop units, and ducted ventilation systems in commercial and industrial environments.
Key Features:
- 4-wire duct smoke detector with 120V AC operation
- Photoelectric sensing for early smoke detection in HVAC ducts
- Designed for air handling units, RTUs, and duct systems
- Compatible with fire alarm and control systems
- Provides early warning to prevent smoke circulation
- Suitable for commercial and industrial HVAC applications
- Durable construction for long-term reliability
- Supports code-compliant fire detection and system shutdown
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