Range Of Use; Specific Use Conditions; Gas Group, Dust Group And Temperatures; Cable Entry - Videotec MAXIMUS MLX Manuel D'instructions

4.2 Range of use

Use of the unit is defined in a fixed station to light
zones with a potentially explosive atmosphere
classified 1-21 or 2-22.
The unit has been built and certified in compliance
with directive 2014/34/UE and with the international
standards IECEX, which define its range of
application and minimum safety requirements.

4.3 Specific use conditions

The external surface of the product must never be
covered by more than 5 mm of dust.
To avoid accumulation of electrostatic loads during
cleaning, the device must be cleaned using a damp
cloth.
Ambient temperature and surface temperature - see
the instructions.
Contact the manufacturer for information on the
dimensions of the flameproof joint.
MNVCMLX_2222_EN
4.4 Gas Group, Dust Group and
Temperatures
The device is certified for group IIB (Gas) and group
IIIC (Dust).
Ambient temperature: -40°C/+55°C or +70°C.
TEMPERATURE CLASS
T6 / T85°C
T5 / T100°C
Tab. 1

4.5 Cable entry

All cable glands shall be Ex certified, as appropriate,
with protection type "db" and "tb", suitable for the
conditions of use and installed correctly.
When conduit is used, a suitable Ex certified
stopping box shall be used, as appropriate, with
protection type "db" and "tb", suitable for the
conditions of use and installed correctly.
The stopping box must be fitted within 50mm
(1.97in) from the enclosure entry.
The cable entry temperatures are specified in the
marking.
To maintain the IP level of product use cable glands
with appropriate IP level and apply to threads a
sealant compliant with standard IEC/EN60079-14.
MAXIMUM AMBIENT
TEMPERATURE
+55°C
+70°C
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