FDT421 Siemens Intelligent Thermal (Heat) Detector The Intelligent Thermal (Heat) Detector (Model FDT421 Siemens) 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.
Additionally, Each Model FDT421 unit is UL listed including advanced built-in ISOtechnology - a True Class-X1/2 SLC operation (use is optional) greatly improving system reliability and circuit integrity while providing advanced addressable fault finding.
Each model FDT421 is a cost-effective, two-wire / addressable thermal detector that provides a distinctive, advanced feature: seven (7) field-selectable temperature settings specially tailored for application-specific detection needs combined with Class-X SLC operation built-in avoiding additional installation and material cost.
The temperature-range settings for each Model FDT421 detector is between 135°F (57°C) 174°F (79°C) with fixed and rate-of-rise programmability. This variance provides the customer with maximum flexibility to program the temperature settings to suit m(more...)
Maximize Your Savings, Elevate Your Business:
Our Client Tier System is designed to reward you with better discounts as your business grows.
Every new account begins at our Base Tier, ensuring you receive value from your very first purchase.
As your yearly volume increases, so does your opportunity to save.
Streamline and Empower Your Business Operations
Our new B2B (Company) Accounts offer a comprehensive solution for companies seeking to streamline their procurement process and empower their teams.
With a B2B account on our website, your company can link multiple employee accounts under one central business panel. This integration provides a unified view of all transactions, invoices, and benefits, ensuring efficient management and coordination across your organization.