Honeywell TC840MES – Addressable and similar items

Honeywell TC840MES – Addressable Multi-Criteria Fire Detector The Honeywell TC840MES is an intelligent addressable multi-criteria fire detector designed for professional fire alarm systems. It combines optical smoke detection and thermal (heat) sensing in one device, providing faster and more reliable fire detection while reducing false alarms. It is commonly used in commercial and industrial buildings as part of EN54-compliant fire detection systems. Key Features Intelligent multi-criteria detection (smoke + heat) Optical photoelectric smoke sensing chamber Built-in thermal sensor (fixed + rate-of-rise detection) Addressable device for Honeywell fire alarm loops Advanced signal processing to reduce false alarms Dual LED indicators with 360 visibility Automatic drift compensation (self-adjusting sensitivity) Compatible with Honeywell/Notifier-style addressable panels Plug-in design for easy installation and replacement Technical Specifications Model: TC840MES Type: Multi-criteria smoke + heat detector Detection Principle: Optical + thermal (photo-thermal) Electrical: Operating voltage: 15 – 32 V DC Standby current: approx. 200–300 µA Alarm current: up to ~7 mA (LED active) Thermal Detection: Fixed temperature threshold: ~58C Environmental: Humidity range: 10% – 93% (non-condensing) Designed for indoor open-area protection Functionality Detects smoldering fires (smoke) and rapid heat increase Intelligent algorithms combine both signals for alarm decision Automatic contamination compensation (reduces maintenance alarms) Continuous self-monitoring via fire control panel Suitable for environments with variable fire risks Installation Plug-in detector head with compatible base (e.g. B501 series) Address set via rotary switches Ceiling-mounted installation Fully supervised via addressable loop system Applications Offices and commercial buildings Hotels and shopping centers Warehouses and logistics facilities Industrial and technical rooms Public buildings and infrastructure Advantages for Buyers Dual detection (smoke + heat) improves reliability Lower false alarm rate than standard smoke detectors Fully addressable system integration Stable performance in changing environments Easy installation and maintenance Short Sales Summary (for listings) Honeywell TC840MES Multi-Criteria Detector – addressable fire detector combining optical smoke and heat sensing (58C), designed for professional EN54 fire alarm systems, offering reliable detection with low false alarm rate and easy plug-in installation.