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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