MSS Detector Base Sounders

MSS Detector Base Sounders
  • Volume up to 100 dB(A)
  • Electronic tone generator integrated into the signaling device
  • 11 different tone variants can be selected (incl. DIN tone)
  • Great reliability and long service life
  • For surface and flush-mounted cable feed
  • The LSN types maintain LSN loop functions in the event of wire interruption or short-circuit thanks to two integrated isolators
  • Details
    MSS 300 / MSS 300‑WH‑EC
    Operating voltage 9 V DC to 30 V DC
    Current consumption from external source Standby: 1 mA Alarm: max. 20 mA
    MSS 400 LSN / MSS 401 LSN
    Operating voltage 15 V DC to 33V DC
    Current consumption from external source
    MSS 401 LSN Standby: 2 mA Alarm: max. 20 mA
    Current consumption from LSN
    MSS 400 LSN Standby: 2 mA Alarm: max. 20 mA
    MSS 401 LSN Max. 1.025 mA
    Connections (inputs/outputs) 0.28 mm2 to 2.5 mm2
    Dimensions (W x H) 128 x 40.5 mm
    Without packaging Approx. 220 g
    With packaging Approx. 260 g
    Material Plastic, ABS (Novodur)
    Color White, similar to RAL 9010
    Protection category as per EN 60529 (with detector) IP 30
    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




    LSN vds
  • Certificates (6)
  • Documents (3)

Product variants

MSS 300 Base sounder white

Control via C-point of the detector

Commercial Type No.: MSS 300
Product No.: 4.998.025.371

MSS300-WH-EC Base sounder, white

Control through fire panel via interface

Commercial Type No.: MSS300-WH-EC
Product No.: 4.998.120.501