Optical-acoustic siren OSA-2 is a stationary device designed for optical and acoustic signals. It is equipped with a digital input, working in “diode-in-series” mode. Input state enforces specific optical-acoustic signaling.
Optical – acoustic siren OSA-2
Product Description
Product description
OSA-2 is a device of M1 category and may thus be used in all underground mines with possible methane or coal dust explosion hazard.
Technical data
Power supply: |
9-16 VDC |
Current consumption: |
max. 200mA |
Line check type: |
diode at checked contact in series |
Casing internal protection: |
IP-54 |
Explosion-proof mark: |
 I M1 Ex ia I Ma |
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