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
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