- Protection degree IP 65
- Stabiliser bracket (optional)
- Ambient temperature -20°C to +55°C
- Call tone ≥ 95 dB(A), 1 m
- Explosion protection class
II 3 G Ex nA L IIC T5
II 3 D Ex tD A22 IP65 80°C
The new telephone for use in areas
with explosive atmospheres of zone 2
and 22. It’s housing is made of impact-
resistant and shockproof Polycarbonate
and approved for Zone 2 and 22
Within ranges of the chemical and
petrochemical industry combustible
atmospheres result again and again from
process engineering operational sequence.
Caused e.g. by gas, steam or nebula.
Its striking signal colour ensures the
FernTel 3 / Zone 2 cannot be missed
whenever a telephone is urgently needed
in Zone 2 and 22.
The resistance of housing and use of
screws of stainles steel are especially
advantageous for use in areas with high
air humidity and explosive atmospheres.
A deft hand movement and the
desk telephone is converted into
a wall telephone.