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Description

Siemens FDT421 Heat DetectorThe Intelligent Thermal (Heat) Detector (Model FDT421) provides an advanced method of detection, address programming supervision combined with sophisticated FACP communication. Model FDT421 uses a state of the art thermistor, microprocessor and advanced signal analysis, providing high reliability and accuracy. Features Built in ISOtechnology Compatible with Siemens Model `H series devices on the same loop (with Desigo Fire Safety Modular FireFinder

Compatible with: Model DB-11—series mounting bases

Mounting options are varied for application flexibility

providing a convenient strobe intensity selection

System performance is identical with either single or multi mode fiber

Class B or Class A or Class X network data connections

Listed to UL 268 and ULC-S529

The Fire-lite Notifier REL-47K End of Line Resistor is designed to maintain proper circuit supervision in fire alarm systems

The product also features a locking mechanism which secures the product to the bracket without any screws showing

The use of a break-rod can be a deterrent to vandalism without interfering with the minimum pull requirements needed for easy activation

Designed for EMI compatibility

These multi-purpose control relays offer SPDT or DPDT

Compatible with the Americans with Disabilities Act (ADA) requirements