PR electronics Hart 7 Manuel De Produit page 49

Division 2 / Zone 2, Non Sparking Installation
For safe installation of the 6431Axxx and 6437Axxx the following must be observed.
Class I, Division 2, GP A,B,C,D; T6...T4
Marking
Class I, Zone 2 AEx nA IIC, T6...T4 Gc
Class I, Zone 2 Ex nA IIC, T6...T4 Gc
NIFW, CL I, Div 2, GP A,B,C,D
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
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-FR
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
49