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Numens (403-016) – Best Non-Addressable 12/24V 4-Wire Smoke & Heat Detector with Relay Output & Auto-Reset
The Numens 403-016 is a non-addressable smoke and heat detector designed for 12/24V 4-wire conventional fire alarm systems. Featuring a built-in relay output and auto-reset function, it delivers fast, reliable fire detection with automatic recovery after alarm conditions, ensuring dependable fire protection.
Available on backorder
The Numens 403-016 Non-Addressable Smoke & Heat Detector is a high-performance conventional fire detection device designed to provide fast and reliable detection of both smoke and heat. Featuring advanced dual-sensor technology, it accurately identifies fire hazards while helping to reduce false alarms, making it an ideal solution for residential, commercial, and industrial fire protection.
Operating on 12/24V DC, the detector is designed for 4-wire conventional fire alarm systems and includes a built-in relay output for seamless integration with fire alarm control panels, sirens, emergency lighting, access control systems, and other safety equipment. The auto-reset function automatically restores the detector to its normal operating condition after the alarm has been cleared, reducing maintenance time and improving overall system efficiency.
Built for durability and long-term reliability, the Numens 403-016 is suitable for offices, hotels, hospitals, schools, shopping malls, warehouses, factories, apartment buildings, and other facilities requiring dependable conventional fire detection.
Key Features
- Non-addressable smoke and heat detector
- Dual-sensor technology for smoke and heat detection
- Operates on 12/24V DC power supply
- Compatible with 4-wire conventional fire alarm systems
- Built-in relay output for external device integration
- Auto-reset function for automatic recovery after alarm clearance
- Fast and accurate fire detection
- Helps minimize false alarms
- Easy installation and maintenance
- Suitable for residential, commercial, and industrial applications
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