8 AWT420 | UNIVERSAL 4-WIRE, DUAL-INPUT TRANSMITTER | INF/ANAINST/012-EN REV. A
…4 Hazardous area considerations
Risk of electrostatic discharge
WARNING
Serious damage to health/risk to life
damp cloth and install away from any charging risks.
Instruments mounted in a hazardous area.
be taken to minimize the risk of electrostatic discharge. Use a
damp cloth or similar to clean all surfaces.
The keypad is intended to be operated in normal use, care
should be taken to minimize the risk of electrostatic discharge.
Use rubber gloves or ensure operators have been
electrostatically discharged.
Hazardous area relevant information
NOTICE
The hazardous area designation is displayed on the name
page 7.
IECEx/ATEX
Non-Incendive
For models with EZLink channels:
II 3(3) G Ex ic ec nC [ic Gc] IIC T4 Gc
For models without EZLink channels:
II 3 G Ex ic ec nC IIC T4 Gc
Ingress protection classification
Ambient temperature range
Europe
NOTICE
the wiring practices for the country of installation.
Maximum operating voltage, Um
The maximum operating voltage Um for the AC version is
Dielectric strength
circuits, and between IS circuits and earth.
cULus
Non-Incendive
For models with EZLink channels:
(providing non-incendive field wiring outputs for Class I
For models without EZLink channels:
Ingress protection classification
Ambient temperature range
US
NOTICE
Installation must be in accordance with the National
Electrical Code (NFPA 70).
Canada
NOTICE
Maximum operating voltage, Um
Dielectric strength
circuits, and between IS circuits and earth.
Hazardous location safety control drawings
Click below to download the hazardous location safety
drawings for AWT420 transmitter (or scan the QR codes):
AWT420 Metal transmitter UL US control drawing
AWT420 Metal transmitter UL CAN control drawing
AWT420 Metal transmitter UL ATEX IECEx control drawing
8
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