Description
The Fenwal Detect A Fire 12 E28020 003 05 is a rugged, industrial grade heat detection sensor designed to provide reliable over temperature and fire detection in commercial and industrial safety systems. This vertical mount unit activates at a fixed temperature of 225 °F and is engineered to open its contact on temperature rise, making it ideal for fire protection, alarm initiation, and suppression release applications.
Key Features
- Fixed temperature Detect A Fire heat detector with a 225 °F activation point for dependable fire/overheat sensing.
- Open on temperature rise contact action to signal control systems when the set temperature is reached.
- Vertical mount configuration for straightforward installation in safety and control panels.
- 300 series stainless steel shell and mounting head for corrosion resistance and long service life.
- Hermetically sealed internal contacts protect against environmental contaminants and ensure reliable switching performance.
- +7 °F / −8 °F tolerance around the setpoint for accurate activation.
- Wide industrial applications including fire alarm initiating circuits and extinguishing system release






