Thorn Security 811PH MX Optical Smoke and Heat Detector
Discover the Thorn Security 811PH MX, a reliable EN54-compliant optical smoke and heat multi-sensor detector. Designed for addressable fire alarm systems using the Tyco MX digital protocol for fast, accurate fire detection and reduced false alarms.
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Thorn Security 811PH MX Optical Smoke and Heat Detector
The Thorn Security 811PH is an advanced, addressable multi-sensor detector designed for modern fire alarm systems. It combines high-performance optical smoke sensing with a sophisticated thermal (heat) sensor to provide reliable and rapid detection of a wide range of fire types. By analyzing both smoke and heat signatures, the 811PH significantly reduces the potential for false alarms while enhancing detection speed. Operating on the robust Tyco MX Digital Protocol, it ensures secure and intelligent communication with the fire alarm control panel. This detector is fully compliant with EN54 standards, making it an ideal choice for commercial, industrial, and public buildings requiring a high level of fire safety.
Technical Specifications:
- Model: 811PH
- Part Number: 516.800.507
- Detector Type: Combined Optical Smoke and Heat Multi-Sensor
- Communication Protocol: Tyco MX Digital Protocol
- Heat Sensor Compliance: prEN54-5 Class A1R, A2S
- Smoke Sensor Compliance: prEN54-7
- Operating Voltage: 17 – 33 Vdc (Loop Driven)
- Operating Temperature: -25°C to +70°C

| Brand | Thorn Security |
|---|---|
| Model | 811PH |
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ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
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Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
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