Siemens (Pyro) OP921
Siemens (Pyro) OP921
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The Siemens (Pyro) OP921 is a state-of-the-art heat detector designed for enhanced fire safety in various environments. Engineered with precision and reliability, the OP921 serves as a pivotal component in fire detection systems, ensuring prompt alert in the event of a fire.
Technical Details:
- Model: OP921
- Type: Heat Detector
- Temperature Range: 0°C to 70°C (32°F to 158°F)
- Operating Voltage: 10.5V to 33V DC
- Current Consumption: < 50 µA (Standby)
- Alarm Threshold: Fixed at 58°C (136°F)
- Dimensions: 100 mm x 40 mm
Material:
- Fire-retardant plastic housing for durability and safety
- Robust electronic components ensuring longevity and reliability
Intended Use:
- Ideal for indoor applications in residential, commercial, and industrial settings
- Designed to detect heat generated by fire, thus providing early warning to mitigate risk
Key Features:
- Fast heat detection capabilities to quickly identify temperature rises
- Compatible with Siemens fire alarm systems for seamless integration
- Low current consumption for energy-efficient operations
- Easy installation process minimizes downtime during setup
- Reliable performance under a range of environmental conditions
The Siemens (Pyro) OP921 is a dependable choice for those seeking high-performance heat detection solutions, ensuring safety and security in your premises.


