Second Telephone Alarm and Signal Unit , eFSK Type 5842/1
  -   ExII-Telephone-signal-combination eFSK
  -   ExII-Telephone-signal-combination eFSK GOST
  -   Wetherproof Telephone-signal-combination
Explosion proof Optical-Acoustical Telephone Signal Combination with integrated telephone call relay for use in hazardous areas of zone 1 (Gas) GOST approval
Application: Indoors and Oudoors (IP66) II 2G Ex [ib] em IIC T6 , Housing: seawater resistant aluminium, Lens made by polycarbonate
Sounder volume: approx. 90 dB(A)
The TWIN-EExII is specifically designed for use as secondary telephone call
indicator or signalling device in industrial
applications with explosive atmospheres
and may
be used both indoors and outside.
The TWIN-EExII signalling device
is suitable for both wall and ceiling
mounting.
The device is a very compact unit comprising power supply, telephone
connection, strobe light, amplifier and
loudspeaker. The base is made of seawater-
proof cast aluminium and coated in plastic. The loudspeaker is made of
impact and cold-resistant plastic and
is mounted firmly on the housing. The
cap of the strobe light forms the housing
cover and is made of polycarbonate.
Please see below "ORDERING INFORMATION" for product diffrent options and relevant part numbers.