Masoneilan 4700P/E & 4800P/E Positioners Manual =| 39
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.
For type n (Ex nL, nA protection concept):
Sira 02ATEX4279X
II 3 G
Ex nA nL IIC T4 Gc T
a
= -40 °C to +80 °C
Special Conditions for Safe Use Provisions shall be made externally
t
o limit the supply transients from
exceeding 40% of the rated input
voltage (30 V).
If the Model 4000 I/P Converter is
mou
nted with the axis of the plastic
baffle in the vertical position with
the baffle uppermost, the required
ingress protection against water is
invalidated; therefore, it shall only
be installed in this orientation if its
location provides protection against
falling water.
The installer shall ensure that the
Model
4000 I/P Converter is
installed in a location where there is
a low risk of mechanical impact to
the plastic baffle.
Ex ia IIIC Da T90 °C T
a
= -40 °C to +80 °C, P
i
= 1.1 W
Special Conditions for Safe Use (denoted by X
af
ter the certificate number)
This enclosure is made from light
metal which could cause ignition
due to impact. This shall be taken
into consideration when the appa-
ratus is installed in locations that
s
pecifically require Equipment Pro-
tection Levels Ga
or Da.
If the Model 4000 I/P Converter is
mou
nted with the axis of the plastic
baffle in the vertical position with
the baffle uppermost, the required
ingress protection against water is
invalidated; therefore, it shall only
be installed in this orientation if its
location provides protection against
falling water.
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