MSS Stand-alone Signaling Devices are used independently without detector for signaling an alarm directly in the fire location. Visually, they blend perfectly with the series 320 and 420 fire detectors.
MSS 300‑SA | |
Operating voltage | 9 V DC to 30 V DC |
Current consumption from external source | Standby: 1 mA Alarm: max. 20 mA |
MSS 400 LSN‑SA / MSS 401 LSN‑SA | |
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 |
Weight |
Without packaging | Approx. 230 g |
With packaging | Approx. 275 g |
Housing | |
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 |