Technical Specifications

1. Operating Voltage: 24 VDC Loop, 24 VDC Power Supply
2. Operating Current:
• Loop: Standby Current 1mA, Alarm Current 5mA
• Power Supply: Standby Current 3mA, Alarm Current 35mA
3. Sounder Output: 94dB @ 1 Meter
4. Wiring: Non-polarized 2-core for loop
5. Non-polarized 2-core for power supply
6. Operating Environment:
• Temperature: -10~+50°C
• Relatives Humidity: 95%
7. Dimensions: Diameter 110mm, Height 97.5mm

Addressable Sounder

1. Identical in appearance and features to the S-A491 but without the Strobe element