914660330020
2017-11-24·HB00·III·en·00
Mounting and Installation
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Frequency Transmitter
Field Circuit Ex i
Series 9146
8
Mounting and Installation
When installed in a corresponding suitable field enclosure, the device is permitted for use
in hazardous areas in Zone 2 and Zone 22 or in safe areas.
8.1
Dimensions / Fastening Dimensions
DANGER
Explosion hazard due to installation without field enclosure!
Non-compliance results in severe or fatal injuries!
• When used in Zone 2 or Zone 22, the device is to be installed in a
protective enclosure or in a cabinet that offers a suitable degree of
protection in accordance with IEC/EN 60079-0.
• An enclosure with at least an IP54 protection rating is required for
use in Zone 2 and in safe areas.
• An enclosure with at least an IP64 protection rating is required for
use in Zone 22.
DANGER
Explosion hazard due to incorrect installation of the device!
Non-compliance results in severe or fatal injuries.
• Carry out installation strictly according to the instructions and
national safety and accident prevention regulations to maintain the
explosion protection.
• Select and install the electrical device so that explosion protection
is not affected due to external influences, i.e. pressure conditions,
chemical, mechanical, thermal and electric impact such as
vibration, humidity and corrosion (see IEC/EN 60079-14).
• The device must only be installed by trained qualified personnel
who is familiar with the relevant standards.
Dimensional drawings (all dimensions in mm [inches]) – Subject to modifications
09685E00
X
122 4 80
[,
]
114,5 4 51
[,
]
99 3 90
[ ,
]
17,6 [0,69]
Dimension X
Screw terminals
108 mm [4.25"]
Spring clamp
terminals
128 mm [5.08"]
