Instruction Manual

Instruction Manual
D101402X012
3660 and 3661 Positioners
January 2013
6
Table 3. Hazardous Area Classifications for Fisher 3661 Positioner—CSA (Canada)
Certification
Body
Certification Obtained Entity Rating Temperature Code Enclosure Rating
CSA
Intrinsically Safe
Ex ia IIC T4/T5/T6 per drawing GE28591
Class I, II Division 1 GP A,B,C,D,E,F,G
T4/T5/T6 per drawing GE28591
Vmax = 30 VDC
Imax = 150 mA
Pi = 1.25 W
Ci = 0 nF
Li = 0 mH
T4 (Tamb ≤ 82°C)
T5 (Tamb ≤ 62°C)
T6 (Tamb ≤ 47°C)
CSA Type 3 Encl.
Type n
Ex nA IIC T6
- - - T6 (Tamb ≤ 82°C) CSA Type 3 Encl.
Class I Division 2 GP A,B,C,D T6 - - - T6 (Tamb ≤ 82°C) CSA Type 3 Encl.
FM
Intrinsically Safe, Type n, and Non‐incendive
No special conditions for safe use.
Refer to table 4 for approval information, figure 29 for the FM loop schematic, and figure 28 for a typical CSA/FM
approval nameplate.
Table 4. Hazardous Area Classifications for Fisher 3661 Positioner—FM (United States)
Certification
Body
Certification Obtained Entity Rating Temperature Code Enclosure Rating
FM
Intrinsically Safe
Class I Zone 0 AEx ia IIC T4/T5/T6 per drawing
GE28590
Class I, II, III Division 1 GP A,B,C,D,E,F,G
T4/T5/T6 per drawing GE28590
Vmax = 30 VDC
Imax = 150 mA
Pi = 1.25 W
Ci = 0 nF
Li = 0 mH
T4 (Tamb ≤ 82°C)
T5 (Tamb ≤ 62°C)
T6 (Tamb ≤ 47°C)
NEMA 3, IP54
Type n
Class I Zone 2 AEx nA IIC T5
- - - T5 (Tamb ≤ 82°C) NEMA 3, IP54
Class I Division 2, GP A,B,C,D T5
Class II, III Division 2, GP F,G T5
- - - T5 (Tamb ≤ 82°C) NEMA 3, IP54
ATEX
Special Conditions for Safe Use
Intrinsically Safe
This equipment is intrinsically safe and can be used in potentially explosive atmospheres.
The electrical parameters of certified equipment which can be connected to the device must not exceed the following
value: U
0
≤
30 Vdc; I
0
≤
150 mA; P
0
≤
1.25 W.
Ambient Temperature:
T6, at Tamb = 47_C
T5, at Tamb = 62_C
T4, at Tamb = 71_C