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Reference Manual
00809-0100-4697, Rev EA
October 2011
Rosemount 848T
B-4
N6 Class I, Division 2
Suitable for use in Class I, Division 2, Groups A, B, C, D. when installed
per Rosemount drawing 00848-4405.
Temperature Code:
T3C = (–50 T
a
60 °C)
Must be installed in a suitable enclosure as determined acceptable by
the local inspection authority.
European Approvals ATEX Certifications
I1 Intrinsic Safety
Certification Number: Baseefa09ATEX0093X
ATEX Marking II 1 G
Ex ia IIC T4 (T
amb
= –50 to 60 °C)
1180
Special Conditions for Safe Use (x):
1. This apparatus must be installed in an enclosure which affords it a
degree of protection of at least IP20. Non-metallic enclosures must
have a surface resistance of less than 1Gohm. Light alloy or
zirconium enclosures must be protected from impact and friction
when installed.
2. The apparatus will not meet the 500V rms isolation test required by
Clause 6.4.12 on EN 60079-11:2007. This must be taken into account
when installing the apparatus.
IA FISCO (Fieldbus Intrinsically Safe Concept) Intrinsic Safety
Certificate Number: BASEEFA09ATEX0093X
ATEX Marking II 1 G
Ex ia IIC T4 (T
amb
= –50 to 60 °C)
1180
Table B-7. ATEX Approved Entity Parameters
Power/Bus Sensor
U
i
= 30 V U
o
= 12.5 V
I
i
= 300 mA I
o
= 4.8 mA
P
i
= 1.3 W P
o
= 15 mW
C
i
= 0 C
i
= 1.2 F
L
i
= 0 L
i
= 1 H
Table B-8. ATEX Approved Entity Parameters
Power/Bus Sensor
U
i
= 17.5 V U
o
= 12.5 V
I
i
= 380 mA I
o
= 4.8 mA
P
i
= 5.32 W P
o
= 15 mW
C
i
= 0 C
i
= 1.2 F
L
i
= 0 L
i
= 1 H