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9. General Specifications
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9-8
IM 01C25F01-01E
9.3 Optional Specifications “◊”
Item
Description
Code
Factory Mutual (FM)
FM Explosionproof
*1
Explosionproof for Class I, Division 1, Groups B, C and D
Dust-ignitionproof for Class II/III, Division 1, Groups E, F and G
Hazardous (classified) locations, indoors and outdoors (NEMA 4X)
FF1
FM Intrinsically safe
*1*2
Intrinsically Safe for Class I, Division 1, Groups A, B, C and D, Class II,
Division 1,Groups E, F and G and Class III, Division 1 Hazardous Locations.
Nonincendive for Class I, Division 2, Groups A, B, C and D, Class II,
Division 2, Groups F and G, Hazardous Locations.
FS1
Combined FF1 and FS1
*1*2
FU1
ATEX
ATEX Flameproof
*1
II 2G, 2D Ex db IIC T6...T4 Gb, Ex tb IIIC T85°C Db
Special fastener: ClassA2-50(A4-50) or more
KF22
ATEX Intrinsically safe Ex ia
*1*2
II 1G, 2D Ex ia IIC T4 Ga, Ex ia IIIC T85°C T100°C T120°C Db
KS21
Combined KF22, KS21 and ATEX Intrinsically safe Ex ic
*1*2
Ex ic: II 3G Ex ic IIC T4 Gc
KU22
Canadian Standards
Association (CSA)
CSA Explosionproof
*1
[For CSA C22.2]
Explosionproof for Class I, Division 1, Groups B, C and D
Dustignitionproof for Class II/III, Division 1, Groups E, F and G
[For CSA E60079]
Flameproof for Zone1, Ex d IIC T6...T4 Enclosure IP66/IP67
Process Sealing Certification
Dual Seal Certified by CSA to the requirement of ANSI/ISA 12.27.01
No additional sealing required
Primary seal failure annunciation: at the zero adjustment screw
CF1
CSA Intrinsically safe
*1*2
[For CSA C22.2]
Intrinsically safe for Class I, Division 1, Groups A, B, C and D, Class II,
Division 1, Groups E,F and G, Class III, Division 1
Nonincendive for Class I, Division 2, Groups A, B, C and D, Class II,
Division 2, Groups F and G, Class III, Division 1
[For CSA E60079]
Ex ia IIC T4, Ex nL IIC T4
Process Sealing Certification
Dual Seal Certified by CSA to the requirement of ANSI/ISA 12.27.01
No additional sealing required
Primary seal failure annunciation: at the zero adjustment screw
CS1
Combined CF1 and CS1
*1*2
CU1
IECEx
IECEx flameproof *
1
Flameproof for Zone1, Ex d IIC T6...T4 Gb
Special fastener: ClassA2-50(A4-50) or more
SF2
IECEx Intrinsically safe and flameproof
*1*2
Intrinsically safe
Ex ia IIC T4 Ga, Ex ic IIC T4 Gc
Flameproof
Flameproof for Zone1, Ex d IIC T6...T4 Gb
Special fastener: ClassA2-50(A4-50) or more
SU21
Combination of Approval
Combination of KU22, FU1 and CU1
V1U1
NEPSI
NEPSI Flameproof and dust ignition proof
*1
Refer to IM 01C25A00-12E
(Printed English manual, attached
to the products upon shipment.)
NF21
NEPSI Flameproof
*1
NF2
NEPSI Intrinsically safe
*1*2
NS21
KOSHA
KOSHA Flameproof
*1
Refer to IM 01C25A01-01KO
(Printed Korean manual, attached
to the products upon shipment.)
PF22
KOSHA Intrinsically safe
*1*2
PS21
INMETRO
INMETRO Flameproof
*1
Refer to IM 01C25A11-01P-Y
(CD-ROM Portuguese manual,
attached to the products upon
shipment.)
UF1
INMETRO Intrinsically safe
*1*2
US1
