18 TTF300 FIELD-MOUNT TEMPERATURE TRANSMITTER | OI/TTF300-EN REV. I
3 Use in potentially explosive atmospheres in accordance with cFMus, FM
and CSA
Note
• Further information on the approval of devices for use in potentially explosive atmospheres can be found in the explosion
protection test certificates (at www.abb.com/temperature).
• Depending on the design, a specific marking in accordance with FM, CSA or cFMus applies.
a
Transmitter Ex marking cFMus
cFMus Intrinsically Safe
Model TTF300-L1H for USA or TTF300-R1H for Canada
IS Class I,II,III, Div. 1,2 Group ABCDEFG T6,T4
Zone 0 AEx/Ex ia IIC T6…T1 Ga
Zone 1 AEx/Ex [ia Ga] ib IIC T6…T1 Gb
IIC T6…T1 Gb / [AEx/Ex ia Da] IIIC
cFMus Non-Incendive
Model TTF300-L2H for USA or TTF300-R2H for Canada
NI Class I,II,III Div. 2 Group ABCDEFG T6,T4
Zone 2 AEx/Ex nA IIC T6…T1 Gc
IIC T6…T1 Gc
cFMus Explosion Proof
Model TTF300-L3H for USA or TTF300-R3H for Canada
TTF300-
XP Class I, Div 1,2 Group ABCD T6,T4 for Conduit Um ≤ 42VDC 32mA fused
DIP Class II, Div 1,2 Group EFG T6,T4 Um ≤
42VDC 32mA fused
XP/IS Class I Div 1,2 GP ABCD T6,T4 with IS Output
-L3H
XP/IS Class I, Div 1,2 Group ABCD T6,T4 with IS Output
Drawing TTF300-L3H
Zone 1 AEx/Ex db [ia Ga] IIC T6…T1 Gb
cFMus Explosion Proof and Intrinsically safe
-L7H (L1H +L3H) for USA,
Model TTF300-R7H (R1H + R3H) for Canada
XP Class I, Div 1,2 Group ABCD T6,T4 for Conduit Um <= 42VDC 32mA fused
DIP Class II, Div 1,2 Group EFG
T6,T4 Um <= 42VDC 32mA fused
XP/IS Class I, Div 1,2 Group ABCD T6,T4 with IS Output
-L3H
IS Class I,II,III Div 1,2 Group ABCDEFG T6,T4 with
-L1H
Zone 1 AEx/Ex db [ia Ga] IIC T6…T1 Gb
Transmitter Ex marking FM / CSA
a
FM Intrinsically Safe
-L1P
TTF300-
Class I, Div. 1 + 2, Groups A, B, C, D
Class I, Zone 0, AEx ia IIC T6
FM Non-Incendive
HW-Rev.: 01.07
SAP_214830 (NI_PS)
SAP_214828 (NI_AA)
TTF300-
L2..P (NI_PS)
TTF300-L2..P (NI_AA)
Drawing TTF300-
TTF300-
Class I, Div. 2, Groups A, B, C, D
Class I Zone 2 Group IIC T6
FM Explosion proof
XP, DIP Class I, II, III, Div. 1 + 2, Groups A-G, factory sealed