S2-ASD-300 Addressable Optical Smoke Detector

The S2-ASD-300 is an addressable optical smoke detector equipped with a built-in isolator and designed according to EN 54-7 and EN 54-17. It uses a dedicated optical smoke chamber with scattering IR light technology to sense smoke, including very fine particles, while helping reduce interference from dust, insects, and false environmental light. The detector supports easy address programming with a handheld programmer, includes a remote indicator output, and is compatible with WISE addressable panels and other SENS addressable panels. Its low power consumption, durable ABS construction, and humidity tolerance make it a strong option for residential and commercial environments.

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Technical Specifications
Model S2-ASD-300
Design Standard EN 54-7, EN 54-17
Power Supply Voltage 27 V
Standby Consumption 0.6 mA @ 27 V
Alarm State Current 1.3 mA @ 27 V
Operating Temperature -10 to 70 °C
Humidity 95% (without condensation)
Dimensions 50 × 100 mm
Weight 120 gr
Maximum Line Voltage 28 V
Minimum Line Voltage 15 V
Maximum Isolation Voltage (VSO max) 6 V
Minimum Isolation Voltage (VSO min) 2 V
Maximum Reconnection Voltage (VSC max) 6 V
Minimum Reconnection Voltage (VSC min) 2 V
Maximum Rated Continuous Current with Switch Closed (IC max) 400 mA
Maximum Rated Switching Current (IS max) 600 mA
Maximum Leakage Current (IL max) 8 mA
Maximum Series Impedance with Switch Closed (ZC max) 0.5 Ω

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