Professional 4-Wire Smoke Detector with NO Relay and LED Indication
The Dahua Smoke Detector FAD201A is a 4-wire non-addressable smoke detector featuring normally open (NO) relay output and LED alarm indication. This Dahua smoke detector provides reliable fire detection through photoelectric sensing technology with visual and electrical alarm outputs. Moreover, its 4-wire design enables both power supply and dedicated alarm signaling, making it ideal for professional fire safety installations requiring integration with alarm controllers and building management systems.
4-Wire Non-Addressable Design
This Dahua smoke detector uses 4-wire configuration providing separate circuits for power and alarm signaling. The non-addressable design simplifies installation while maintaining reliable fire detection capabilities. As a result, you achieve cost-effective smoke detection for zone-based alarm systems without the complexity of addressable systems, perfect for small to medium-sized installations.
NO Relay Output for System Integration
The FAD201A features normally open relay output that closes upon smoke detection, triggering connected alarm systems and automation devices. This Dahua smoke detector enables integration with alarm controllers, building automation, emergency lighting, and ventilation systems. Consequently, single smoke detection events can trigger coordinated responses including alarms, evacuation protocols, and HVAC shutdown for smoke containment.
LED Alarm Indication
A key feature of the Dahua smoke detector is its LED indicator that provides visual confirmation of alarm status. The LED illuminates during smoke detection, enabling quick visual identification of triggered detectors in multi-zone installations. Therefore, maintenance personnel and emergency responders can rapidly locate fire sources during emergencies, accelerating response times.
Professional Fire Safety Integration
The FAD201A integrates with Dahua alarm controllers including ARC2008C-V3 and ARC2016C-V3 models through standard 4-wire connections. The photoelectric sensing technology provides reliable smoke detection while the relay output enables comprehensive fire safety automation.
Key Features
- 4-wire non-addressable smoke detector
- NO (normally open) relay output
- LED alarm indication
- Photoelectric smoke sensing technology
- Compatible with Dahua alarm controllers
- Visual alarm status confirmation
- System integration capability
- Professional fire safety installation
- Zone-based detection
- Ceiling or wall mount
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