Siemens FDT421 Heat Detector imported eBay this feature allows technicians to

this feature allows technicians to identify issues quickly

and horn strobes include a variety of features that increase their application versatility while simplifying installation

Inputs can be independently configured via the fire control panel for alarm

AM-50 Series amplifiers are 50 watt

E3 Series Combined Fire and Mass Notification System

Siemens FDT421 Heat Detector imported eBay this feature allows technicians toThe 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