Reference Manual
00809-0100-4841, Rev. AA
May 2007
Rosemount 3490 Series
A-6
ORDERING
INFORMATION
Model Code 3491, Standard Control Unit
Model Product Description
3491 Model 3491 of the Rosemount 3490 Series Control Unit
Code Signal Output
L 4-20 mA
Code Power Supply
1 115/230 Vac
2 24 Vdc
Code Enclosure / Mounting
P4 Wall mounting, NEMA 4X
P6 Wall mounting IP65
P7 Panel mounting
Code Product Certificates
I1 ATEX Intrinsically Safe
I5 UL Intrinsically Safe
(1)
(2)
(1) Enclosure/Mounting code P4 is required for this option.
(2) Power supply code 1 is required for this option.
I6 CSA Intrinsically Safe
(3)
(3) Enclosure/Mounting codes P4 or P7 are required for this option.
Example model order code: 3491-L-1-P4-I5
I7 IEC Ex Intrinsically Safe
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