SR 400

SR 400 is an outdoor piezo siren. The siren has blue flash indication and selectable loudness levels. SR 400 is equipped with inner plastic casing for protection of the electronic parts and bidirectional tamper for higher protection.

The siren comes with built-in NiMH battery (9V/ 180mAh).

SR 400 has a flat plastic cover, which is especially suitable for company sticker or logo (size up to 250x120mm).

SR 400 is certified according to EN 50131 Grade 3 Class IV

SKU: 544 Category:


  • Selectable  sound output – 85 dB/1m; 105 dB/1m
  • Piezo speaker
  • Plastic housing
  • Built-in tamper
  • Built-in spirit level
  • Built-in NiMH battery
  • Large flat cover for company sticker or logo (size up to 250x120mm)
  • Blue flash
Power supply 9 – 15 VDC
Current consumption:
– Stand-by mode
– Alarm mode
10 mA
270 mA
Back-up battery 9V, 180mAh, built-in
Frequency 2.8 – 3.1 KHz
Loudspeaker type Piezo
Operating temperature -30°C ÷ +70°C
Housing ABS plastic box
Protection IK08; IP45
Dimensions 309 x 197 x 40 mm
Weight 1.24kg

















Product Documents

Marketing Documentation

SR 400 - Datasheet
Updated at 30.01.2020 Size 0.13MB
SR 400 - Datasheet (Portuguese)
Updated at 28.05.2020 Size 0.15MB


SR 400 - Declaration of conformity
Updated at 15.10.2021 Size 0.33MB

Technical Documentation

SR 400 - Installation manual
Updated at 15.10.2021 Size 2.61MB

Product pictures