Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual - Manual (Page 107)

Publication 1797-6.5.6 - June 2005
1797-TB3S FLEX Ex Terminal Base Unit 23-3
Intrinsically Safe
Specifications For a full list of specifications, refer to the FLEX Ex Spring Clamp Terminal
Base Installation Instructions, publication 1797-5.2.
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