Fisher 3660 - IECEx

Instruction Manual
D101402X012
3660 and 3661 Positioners
September 2015
7
Table 5. Hazardous Area Classifications for Fisher 3661 Positioner—ATEX
Certificate Certification Obtained Entity Rating Temperature Code
ATEX
II 1 G
Intrinsically Safe
Gas
Ex ia IIC T4/T5/T6 Ga
Ui = 30 VDC
Ii = 150 mA
Pi = 1.25 W
Ci = 0 nF
Li = 0 mH
T4 (Tamb ≤ 82°C)
T5 (Tamb ≤ 62°C)
T6 (Tamb ≤ 47°C)
II 3 G
Type n
Gas
Ex nA IIC T6 Gc
- - - T6 (Tamb ≤ 62°C)
IECEx
Conditions of Certification
Intrinsically Safe
WARNING
Substitution of components may impair intrinsic safety.
-40_C Ta +82_C; T6 (Ta +47_C); T5 (Ta +62_C)
Entity Parameters
Ui
=
30 V, li = 150 mA, Pi = 1.25 W, Ci = 0 nF, Li = 0 mH
Type n
WARNING
Disconnect power before opening.
-40_C Ta +82_C; T6 (Ta +82_C)
Refer to table 6 for additional approval information.
Table 6. Hazardous Area Classifications for Fisher 3661 Positioner—IECEx
Certificate Certification Obtained Entity Rating Temperature Code
IECEx
Intrinsically Safe
Gas
Ex ia IIC T4/T5/T6 Ga
Ui = 30 VDC
Ii = 150 mA
Pi = 1.25 W
Ci = 0 nF
Li = 0 mH
T4 (Tamb ≤ 82°C)
T5 (Tamb ≤ 62°C)
T6 (Tamb ≤ 47°C)
Type n
Gas
Ex nA IIC T6 Gc
- - - T6 (Tamb ≤ 82°C)