2 NM

The MSM foghorn model MSN30-Ex automatically provides a 360º beam of sound in the horizontal plane, it is specifically designed to be installed in places with thick fog or in off-shore platforms.

Designed as an aid to navigation, it provides an audible range over 2 nautical miles.

It is manufactured with high-quality and resistant manufacturing materials to achieve a long-service life under the harshest marine conditions. Due to his modular design, it is easy to increase or reduce the sound intensity at will.

This foghorn belongs to the ATEX / IECEx Classification Group II, Category 2 assuring a high protection level. This allows the use of this equipment in potentially explosive atmospheres, classified for Zone 1 and Zone 2.

Designed according to IALA Recommendation E-109 and Guidelines G1162 & G1090.

II 2G Ex d IIB T5 Gb IP66.

Technical specifications


GROUP II: Equipment on surface (no mining)
ZONE 1: Category 2

Audible range

Over 2 nautical miles

Beam of sound in the horizontal plane


3 Stacked emitters
Emission of 134 dB at 1 meter
Emergency Mode

As option

Protection against corrosion
Audible signal Morse code

Letter U or A

Junction "d" Box


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