Manual ResistTel IP2 / IP152
Page 29
ExResistTel IP2 / IP154
2.3.2
Explosion Proof Types
2.3.2.1
Description
The telephone type ExResistTel IP2 / IP154 will be used as stationary telephone in
areas, 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.
According to regulations the general purpose of the telephone is hanging vertically
on a wall or hanging vertically on a mounting plate.
The telephone type ExResistTel IP2 / IP154 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 ≤ Tu ≤ +60 °C
The telephone type ExResistTel IP2 / IP154 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
the plug mounted on the left side of the housing has to be replaced be a acceptable
explosion protected cable gland.
Note
The installation prescribed in the regulations according to IEC/EN 60079-14 and the
national installation regulations have to be respected.
Содержание ExResistTel IP2/IP154
Страница 1: ...Explosion proof and weatherproof VoIP telephones Operating instructions FHF BA 9710 6 03 13 V9 4 4 ...
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Страница 44: ...Page 44 Manual ResistTel IP2 IP152 ExResistTel IP2 IP154 Figure 10 Inside View of Telephone upper Part ...
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