Chapter 2: Product description
Stratos EX Hazardous Area Aspirating Smoke Detection System Installation Manual 11
Specification Value
IP rating IP50
SELV rating (EN 60950) Class III
[1]Devices, such as local sounders and beacons can demand high inrush currents, which may
damage the relays. If relays are used to drive the device directly, a suitable 47 Ω current-limiting
resistor should be placed in series with the load.
Recommended cable
Specification Value
Section 1.5 mm²
Current rating 16.5 A
Resistance < 13.3 Ω/km
Impedance 115 Ω
Overall Diameter < 8.1 mm
Features
The following is a list of major features of the EX detector:
• Patented “artificial intelligence” known as ClassiFire (automatically learns
environment)
• Laser dust discrimination (LDD)
• Quick and easy installation
• Self-adjusting between the range of 0.4% and 2.0% obscuration
• Pre-engineered sampling pipe network designs