Installation; Cable Entry - Stahl EC-940S Serie Manuel D'instructions

9 Installation

Do not open the device when powered and
in explosive atmosphere.
Make all connections, installation and
maintenance work in a non-explosive
atmosphere.
Make sure that all the equipment are
certified for the application and for the
environment in which they will be installed.
CAUTION! The electrical system to which
the unit is connected must be equipped
with a 10A max automatic bipolar circuit
breaker. The minimum distance between
the circuit breaker contacts must be
3mm (0.1in). The circuit breaker must be
provided with protection against the fault
current towards the ground (differential)
and the overcurrent (magnetothermal).
Electrical connections must be performed
with the power supply disconnected and
the circuit-breaker open.
A power disconnect device must be
included in the electrical installation, and
it must be very quickly recognizable and
operated if needed.
Be careful not to use cables that seem worn
or old.
CAUTION! Device installation and
maintaining must be performed by
specialist technical staff only.
Comply with all the national standards
during the device installation.
MNTCMVXTHD_1606_EN
The housing can be installed in any
position.
The cameras to be installed shall not
contain cells or batteries.
STAHL strongly recommend to test the
device configuration and performance in
a office\laboratory before putting it in the
final installation site.

9.1 Cable entry

To prevent the spread of flames or explosions from
the unit to the conduit system or cable gland to the
external environment, use connection in conformity
with IEC/EN60079-14.
Non-sheathed single cores shall not be used, unless
they are installed inside conduit systems.
All cable glands shall be ATEX/IECEx certified, as
appropriate, in type of explosion protection "d" and/
or "tb", rated IP66/IP68, suitable for the conditions of
use and correctly installed.
It is compulsory to install a resin-treated device
between the housing and the safe area (barrier cable
gland or stopping box).
When conduit is used, a suitable ATEX/IECEx certified
stopping box shall be used, as appropriate, in type
of explosion protection "d" and/or "tb", rated IP66/
IP68 (2h, 5m), suitable for the conditions of use and
correctly installed. The stopping box must be fitted
within 50mm (1.97in) from the enclosure wall.
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