ABB ControlIT 53MC5000 Instruction Manual page 391

APPENDIX E.0 - FM APPROVAL
The following listed equipment is Factory Mutual
approved as:
Nonincendive for use in Class I, Division 2, Group A, B, C & D locations, Temperature Code T3C,
o
160 C. Temperature Code T3C means that the highest component surface temperature at maximum
line and load conditions, does not exceed 160
o
(104 F). This restricts the use of this equipment to atmospheres with an Autoignition Temperature
o
(AIT) greater than 160
of Gases, Vapors and Dusts for Electrical Equipment in Hazardous (Classified) Locations, the only
listed Group C atmosphere in which this equipment cannot be used is Diethyl Ether with an AIT of
o
160 C.
It is the users responsibility to install all apparatus in accordance with
ANSI/NFPA 70, National Electrical Code. Rules and requirements for the
installation and wiring of equipment in Class I, Division 2 Hazardous
(Classified) Locations are found in Article 501 of the Code.
The following Model Number variations of the
53MC5000 are suitable for installation in Division 2
locations:
Modular Controller.
a = Control Loops 1, 2 or 4
b = Power Requirements 1 or 2
c = Functional Requirements 1, 2 ,3 or 4
d = Rear terminal Requirements 1, 3, 4 or 5
e = Chassis A or B
f = Discrete I/O Option A, B, C, D, E, F or X
g = Dual Relay ITB 1, 2, 3 or X
h = Analog I/O Option A, B, C, D or X
j = Analog Conditioning Module A, B, C, D, E or X
k = Communications Option A, B, C, D, E, F, G, H, J or X
l = Conformal Coating A or X
MODULAR CONTROLLER QUICK START
C. Based on the gases and vapors listed in ANSI/NFPA 497M, Classification
WARNING
Model 53MC5abcA2deBfghjkXl
o o
C (320 F) based on an ambient temperature of 40
o
C
E-1