PR electronics 6437 Manual Del Producto página 44

Division 2 / Ex nA, Non Incendive Installation
For safe installation of the 6431Axxx and 6437Axxx the following must be observed.
Class I, Division 2, Groups A, B, C, D
Marking
Ex nA IIC T6...T4
Class I, Zone 2: AEx nA IIC T6...T4
Ex nA [ic] IIC T6...T4
Class I, Zone 2: AEx nA [ic] IIC T6...T4
Hazardous Area
CL I, Div 2, GP ABCD
CL I, Zone 2, IIC
Terminal:
54,53,52,51
44,43,42,41
Vmax: 7.2 VDC
44
643xA
44
14
43
13
42
12
+
‐
41
11
54
53
52
51
643xA3
44
14
43
13
42
12
+
‐
41
11
24
54
53
23
52
22
+
‐
51
21
6437V102-ES
Unclassified Area
+
Test
A
Power
‐
supply
or
Zone 2
barrier
4‐20mA
+
Test
Power
A
supply
‐
or
Zone 2
barrier
4‐20mA
+
Test
A Power
‐
supply
or
Zone 2
barrier
4‐20mA