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Reference Manual
00809-0100-4728, Rev AA
June 2011
Rosemount 644
B-2
HAZARDOUS LOCATIONS CERTIFICATES
Rosemount 644 with
FOUNDATION fieldbus
North American
Certifications
Factory Mutual (FM) Approvals
I5 FM Intrinsically Safe and Non-incendive
Intrinsically Safe FISCO for use in Class I, II, III, Division 1, Groups A, B,
C, D, E, F, and G; when installed per control drawing 00644-2075.
Temperature Code: T4A (T
amb
= – 50 °C to 60 °C).
Nonincendive for use in Class I, Division 2, Groups A, B, C, and D.
Temperature Code: T5 (T
amb
= – 50 °C to 85 °C);
T6 (T
amb
= – 50 °C to 70 °C)
When installed per Rosemount control drawing 00644-2075
E5 FM Explosion Proof
Explosion Proof for Class I, Division 1, Groups B, C, and D.
Nonincendive for use in Class 1, Division 2, Groups A, B, C, and D.
Temperature Code: T5 (T
amb
= – 50 °C to 85 °C)
When installed per Rosemount control drawing 00644-1049
Dust Ignition Proof for Class II/III, Division 1, Groups E, F, G.
Temperature Code: T5 (T
a
= – 50 °C to 85 °C)
When installed per Rosemount drawing 00644-1049.
(J5, J6 and J8 options only.)
Canadian Standards Association (CSA) Approvals
I6 CSA Intrinsically Safe
Intrinsically Safe and FISCO for Class I, Division 1, groups A, B, C, and
D when connected per Rosemount drawing 00644-2076.
Temperature code: T4 (T
amb
= – 50 °C to 60 °C);
Suitable for Class I, Division 2, groups A, B, C, and D (must be installed
in a suitable enclosure)
K6 CSA Intrinsically Safe, Explosion-proof
Includes Intrinsically Safe “I6” and Explosion-Proof for Class I, Division 1,
groups B, C, and D.
Dust-Ignition Proof for Class II, Division 1, Groups E, F, and G.
Dust-Ignition Proof for Class III, Division 1
Seal not required.
CSA Enclosure Type 4X
Temperature Code: T4 (T
amb
= – 50 °C to 60 °C);
T5 (T
amb
= – 50 °C to 85 °C)
NOTE:
(For J5 and J6 enclosure options only)