The Thorn Security MD501 (Part No. 516.033.001) is a conventional heat detector designed for fire detection systems where heat sensing is more suitable than smoke detection. It is identified as a rate-of-rise heat sensor, making it suitable for detecting rapid increases in ambient temperature. The MD501 is associated with the Thorn Security/Minerva fire detection range and is used in conventional fire alarm installations. It is suitable for replacement, maintenance, and retrofit applications in compatible fire detection systems.
Features
- Conventional heat detection technology
- Rate-of-rise heat sensing
- Designed for reliable fire detection
- Suitable for Thorn Security/Minerva fire alarm systems
- Suitable for areas where smoke detectors may be unsuitable
- Compact detector design for ceiling installation
- Suitable for replacement and retrofit requirements
- Available as an original/legacy spare for compatible systems
Typical Applications
- Marine and shipboard fire detection systems
- Engine rooms and machinery spaces
- Boiler and utility rooms
- Kitchens and areas with fumes or dust
- Industrial fire alarm installations
- Commercial fire detection systems
- Thorn Security/Minerva system maintenance and replacement
