Industry Fire alarm component

Industry Fire alarm component.
Explosion proof ExdIICT6 grade oil field, chemical factory applied fire system component.
IP65 weather proof and dust proof industry grade heat detector.
Relay output hardwired heat detector can work with conventional and addressable fire alarm control panel.
Specification:
1. Explosion proof: ExdII CT6
2. Working voltage: DC-20V~DC28V
3. Standby current: <=0.6mA
4. Alarm current: 10mA~30mA
5. Alarm status: Red LED light on
6. Working environment
temperature: -20C ~+55C
relative humidity: <=95% non condensation
Atmospheric pressure: 80kPa~110kPa
7. input wiring diameter: 2-M22*1.5
https://vedardalarm.com/heat-detector-explosion-proof-fire-alarm-component-p-181