INM 937x-FB2-Px-SS Rev 1
3
Model type
Nominal weight
9371-FB2-Px-SS
5.7 kg
9373-FB2-Px-SS
8.5 kg
e) Adequate security should be provided against unauthorised interference.
f ) All the necessary gland holes have been prepared in the enclosure.
WARNING !
It is not permitted to create additional holes in the enclosure as this
would violate the certification.
3 .2 Permitted enclosure combinations
The maximum number of intrinsically safe spurs that can be supported per trunk
segment using 937x-FB2 range of Fieldbus Barrier enclosures is 18. The permitted
enclosure combinations are shown in Figure 3.3.
Figure 3 .1 –
External dimensions and mounting hole positions for
the 6-way enclosure 9371-FB2-Px-SS
371
345
306
271
30
186
11
TYP.
4 PLACES
306
138.5
9371-FB2
Fieldbus Barrier System, 6 Spur
SS Enclosure
TRUNK IN
TRUNK OUT
BREATHER
SPUR 2
SPUR 3
SPUR 4
SPUR 6
SPUR 1
SPUR 5
