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Series M22 - the Installable

The most comprehensive M22 built-in signal device series is available in three sizes: Ø 30 mm, Ø 45 mm und Ø 65 mm. The high luminosity and signal effect is seen frontally and laterally due to the calotte. The luminaire is particularly durable and vibration-resistant, with a high degree of protection of IP65 and IP67 for prewired models. 

The M22 series buzzer, the loudest installation buzzer available on the market, is available as an add-on for the installation series.  The high sound pressure level (max. 100 dB) is mostly infinitely variable. Luminaire models with LED technology can be upgraded to an optical-acoustic combination with the piezo buzzer. Sound and light can be synchronised or separately controlled.