9.3 OPTIONAL SPECIFICATIONS
Item
Factory Mutual (FM)
CENELEC ATEX
Canadian Standards
Association (CSA)
IECEx Scheme
Contact Yokogawa representative for the codes indicated as '-'.
*1: Applicable for Electrical connection code 2, 4, 7, and 9.
*2: Applicable for Electrical connection code 2 and 7.
*3: Not applicable for option code /AL.
FM Explosionproof Approval *
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)
FM Intrinsically safe Approval *
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, and Class III, Division 1 Hazardous Locations.
1
3
Combined FF1 and FS1 *
*
CENELEC ATEX (KEMA) Flameproof Approval *
II 2G EExd IIC T4, T5, T6
CENELEC ATEX (KEMA) Intrinsically safe Approval *
II 1G EEx ia IIC T4
Combined KF2, KS2 and Type n *
Type n: II 3G EEx nL IIC T4
CSA Explosionproof Approval *
[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 and IP67
CSA Intrinsically safe Approval *
[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 E,F and G, Class III, Division 1
[For CSA E60079]
Ex ia IIC T4, Ex nL IIC T4
2
3
Combined CF1 and CS1 *
*
IECEx Intrinsically safe, type n and flameproof Approval *
Intrinsically safe and type n [No. IECEx CSA 05.0005]
Ex ia IIC T4, Ex nL IIC T4
Flameproof [No. IECEx CSA 05.0002]
Flameproof for Zone1, Ex d IIC T6...T4
Description
1
1
3
*
1
1
3
*
1
3
*
2
2
3
*
1
9-10
9. GENERAL SPECIFICATIONS
3
*
Code
FF1
FS1
FU1
KF2
KS2
KU2
CF1
CS1
CU1
SU2
T0912.EPS
IM 01C25B01-01E