MST71 Buzzer element contin/pulse 24VDC

Part No.: 685.829.55
Series: MST 71
Diameter in mm: 70 mm
Voltage: 24V DC
Sound output: 95
Protection rating: IP65





Mechanical data

Height 53 mm
Diameter 70 mm
Materials PC
Housing colour Black
Protection category IP65
Working temperature minimum -30°C
Working temperature maximum +50°C
Weight with packaging 1 g
Product weight 1 g

Electrical data

Operating voltage 24V
Operating voltage type DC
Operating voltage tolerance +/- 10%
Rated operational voltage 24 VDC
Rated operational current 20 mA
Rated inrush current 500 mA
Protection class Protection class 3
Pollution degree 3
Request to external PSU SELV/PELV

Acoustic data

Volume (max) at 1m distance 95,0 dB (A)
Acoustic signal image Continuous tone
Pulse tone
Audio frequency 2900 Hz
Acoustic service life 5,000 h minimum

Approval data

Conforms with CE Yes
Conforms with ATEX-directive No
Conforms with CCC No
Conforms with UL No
Conforms with FCC No
Conforms with IC No
EAC certificate available No
Conforms with UKCA (Importer) Yes (WERMA (UK) Ltd.)
Conforms with AS-I No
ICAO Certification No
Conforms with DNV No
Conforms with RoHS CN No
Conforms with VdS No


Dimensional Drawing


Signal Tower——MST 71

Techn. datasheet 685.829.55