Siemens (Pyro) FDOT421-RC

The Siemens FDOT421 is an intelligent, addressable multi-criteria fire detector that combines optical and thermal sensors to provide early and reliable fire detection. It is designed for use with Siemens’ Desigo Fire Safety systems and is UL 268 7th edition listed.

Key Features:

• Multi-Criteria Detection: Integrates optical and thermal sensors to detect a wide range of combustion products, enhancing detection accuracy and reducing false alarms.

• Advanced Signal Processing: Utilizes sophisticated algorithms to analyze sensor data, ensuring prompt and reliable fire detection.

• Built-in Isolation: Features advanced built-in isolation to improve system reliability by preventing faults from affecting other devices on the loop.

• Microprocessor-Based Design: Incorporates state-of-the-art microprocessor circuitry for self-diagnostics and supervision, ensuring optimal performance.

Specifications:

• Operating Temperature Range: 32°F to 100°F (0°C to 38°C)

• Humidity Range: Up to 95% non-condensing

• Air Velocity Range: 0 to 300 feet per minute for open area applications; 0 to 4,000 feet per minute for direct in-duct applications

• Compatibility: Compatible with Siemens’ Desigo Fire Safety Modular and FC/FV20 control panels