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Base sounder, red, standalone



  • Volume up to 100 dB(A)
  • Robust, compact type with modern design
  • Great reliability and long service life
  • 11 different tone variants can be selected (incl. DIN tone)
  • For surface and flush-mounted cable feed


MSS 300‑SA
Operating voltage 9 V DC to 30 V DC
Current consumption from external source Standby: 1 mA Alarm: max. 20 mA
Operating voltage 15 V DC to 33 V DC
Current consumption from external source Quiescent state / alarm
MSS 401 LSN‑SA Standby: 2 mA Alarm: max. 20 mA
Current consumption from LSN
MSS 400 LSN‑SA Standby: 2 mA Alarm: max. 20 mA
MSS 401 LSN‑SA Max. 1.025 mA
Connections (inputs/outputs) 0.28 mm2 to 2.5mm2
Dimensions (W x H) 128 x 40.5 mm
Without packaging Approx. 230 g
With packaging Approx. 275 g
Material Plastic, ABS (Novodur)
Color Red, similar to RAL 3001 White, similar to RAL 9010
Protection class as per EN 60529 IP 54
Permissible operating temperature -10 °C to +55 °C
Permissible storage temperature -25 °C to +85 °C
Sound pressure level at a distance of 1 m Max. 100 dB (A)
Frequency range 440 Hz up to 2.85 kHz



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