Emerson Rosemount 848T Quick Start Manual page 24

Quick Start Guide
6.4.4 NJ IECEx Type n (without enclosure)
Certificate: IECEx BAS 09.0031U
Standards: IEC 60079-0:2004, IEC 60079-15:2005
Markings:
Schedule of Limitations (U):
1. The component must be installed in a suitable component certified
enclosure that provides a degree of protection of at least IP54 and
meets the relevant material and environmental requirements of IEC
60079-0: 2004 and IEC 60079-15: 2005.
2. Provision must be made, external to the component, to ensure the
rated voltage of the component supply is not exceeded by transient
disturbances of more than 40%.
3. The electrical circuit is connected directly to earth; this must be
taken into account when installing the apparatus.
6.5 Brazil
6.5.1 I2 INMETRO Intrinsic Safety
Certificate UL-BR 16.0086X
Standards ABNT NBR IEC 60079-0:2008 + Errata 1:2011 ABNT NBR IEC
Markings
Special Conditions for Safe Use (X):
1. The apparatus must be installed in an enclosure that provides a
degree of protection of at least IP20. Non-metallic enclosures must
be suitable to prevent electrostatic hazards (see manufacturer's
instructions manual) and light alloy or zirconium enclosures must be
protected from impact and friction when installed.
2. The apparatus is not capable of withstanding the 500 V isolation test
required by ABNT NBR IEC 60079-11. This must be taken into
account when installing the apparatus --- see manufacturer's
instructions manual.
24
Ex nA nL IIC T4 (–50 °C ≤ T
60079-11:2009
Ex ia IIC T4(–50 °C ≤ T
Fieldbus (input)
U = 30 V
i
I = 300 mA
i
P = 1.3 W
i
≤ +85 °C), T5(–50 °C ≤ T
a
≤ +60 °C)
a
Sensor field terminal (output)
U = 12.5 V
O
I = 4.8 mA
O
P = 15 mW
O
May 2019
≤ +70 °C)
a
Rosemount 848T