Intrinsically safe specifications, Intrinsically safe specifications -3 – Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual User Manual
Page 103
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Publication 1797-6.5.6 - June 2005
1797-TB3 FLEX Ex Terminal Base Unit 22-3
Intrinsically Safe
Specifications
For a full list of specifications, refer to the FLEX Ex Terminal Base
Installation Instructions, publication 1797-5.1.
Operational Temperature
-20 to 70
o
C (-4 to 158
o
F)
Agency Certification
Class I Division 1 & 2 Groups A-D T4
Class I Zone 1 & 2 AEx ia IIC T4
Class II Division 1 Groups E, F, G; Class III
1
Certificates
UL Certificate Number 99.19699
1
For Class II Division 1 Groups E, F, G; Class III, modules must be installed in a UL listed Type 4, 4X, 6, 6P, 9, or
12K enclosure.
Class I Division 1 Hazardous
C
US
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