General; Operation; Description - Eaton Ex ResistTel IP2 Mode D'emploi

1 General

The telephone ExResistTel IP2 is an explosion proof version of the weatherproof
telephone ResistTel IP2 / IP152 with all its features. The operating manual is still
valid, with the addition of the following items.

1.1 Operation

The telephone type ExResistTel IP2 will be used as stationary
which may be put to risk by explosive gas or dust atmosphere and make is necessary
to use devices of the device group II of the device class 2G and 2D.

1.2 Description

The telephone type ExResistTel IP2 is realized according to the following type of
protection:
• Type of ignition protection: Ex e [ib] mb IIC T4 Gb
• Type of ignition protection: Ex tb [ib] IIIC T135°C Db
• Degree of protection of enclosure: IP66
• Working environment temperature range: -40°C/-30°C ≤ Ta ≤ +60 °C
The telephone type ExResistTel IP2 is designed for connecting to the Ethernet
according to IEEE802.3.
The telephone has to be included into the potential equalisation either with the
internal earth connecting bolt of the metal plate or with the external earth
connecting bolt at the housing (see examples of connection). The potential
equalisation must exist inside and outside of the explosion at risk area.
The telephone supports the connection of an intrinsically safe headset.
The headset is not part of this telephone. To connect the intrinsically safe headset
operating instructions must be observed.
The installation prescribed in the regulations according to IEC/EN 60079-14
and the national installation regulations have to be respected.
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