Hazardous area require the use of acoustic and optical signals for warning or information purposes. The Sounder with beacon light SL16 is often necessary to use optical signal in very noisy surroundings.

The aluminum housing is made to the IP66 degree of protection and may be used indoors or outdoors. Explosion protection class enables the unlimited use of the signaling device in all hazardous areas, zones 1 and 2.

The SL16 is protected against corrosion, and fulfills the requirements of contact safety class I, II. An equipotential bonding is not required.

All outer fastening parts are manufactured in noncorrosive materials. The device is available in several versions with various levels of operating voltage and flash energy and various signaling colors.