Siemens FDT 421 Intelligent Thermal (Heat) Detector

Siemens FDT 421 Intelligent Thermal Heat Detector

The Siemens FDT 421 is a high-performance, intelligent thermal detector engineered for mission-critical fire safety in industrial and marine automation environments. As a trusted supplier, NN Senso Wave offers this advanced detector to ensure maximum reliability, precision, and system integrity for complex fire alarm control panels (FACP).

Advanced Detection Technology

Equipped with a state-of-the-art thermistor and microprocessor-based signal analysis, the FDT 421 delivers exceptional accuracy. It features built-in ISOtechnology™, enabling 'True Class-X' SLC operation, which enhances circuit integrity and allows for advanced addressable fault finding. This cost-effective, two-wire addressable unit is designed to streamline installation while maintaining the highest safety standards.

Key Features and Flexibility

• Seven Field-Selectable Settings: Program temperature ranges between 135°F (57°C) and 175°F (79°C) with fixed and rate-of-rise options.
• Low-Temperature Warning: Configurable 40°F (4.4°C) alert to prevent water pipe freezing, compliant with NFPA 72.
• System Compatibility: Compatible with Desigo Fire Safety Modular, FireFinder XLS/V, and Desigo FC/FV series FACPs.
• Reliable Construction: UL-listed hardware ensuring high reliability in harsh industrial or marine conditions.

Industrial & Marine Applications

The Siemens FDT 421 is ideal for facilities requiring scalable fire protection. Its flexibility makes it suitable for diverse environments, from large-scale manufacturing plants to maritime fire safety systems. By leveraging its addressable architecture, facility managers can achieve granular control over detection zones.

Why Choose NN Senso Wave?

At NN Senso Wave, we specialize in providing authentic industrial and marine automation components. We deliver the Siemens FDT 421 brand-new, ensuring you receive a high-quality product that integrates seamlessly into your existing safety infrastructure. With our commitment to professional service and global logistics, we ensure your critical components arrive efficiently and ready for deployment.