Approval plate in explosion-proof version
Figure 8: Approval plates in explosion-proof version (examples)
[1] Ex symbol, CE mark, number of test authority
[2] Ex certificate (number)
Classification:
[3] Electrical gas explosion protection
[4] Electrical dust explosion protection
[5] Non-electrical explosion protection
[6] Threads for line bushings at electrical connection
[7] Not used
Descriptions referring to name plate indications
Type designation
Table 1:
Description of type designation actuator (in our example: SAEx 07.2-F10)
-F1007.2SAEx
Type SAEx = Multi-turn actuators for open-close duty
Type SAREx = Multi-turn actuators for modulating duty
SAEx
Size
These instructions apply to sizes 07.2, 07.6, 10.2, 14.2, 14.6, 16.2
07.2
Flange sizeF10
Table 2:
Description of actuator controls type designation (with the example of ACExC 01.2)
01.2ACExC
Type AC = AUMATIC actuator controls
ExC = explosion-proof version
ACExC
Size 01.201.2
Ex marking
Table 3:
Marking for explosion protection (example of /-a3b1)
1b3a–
Not used–
Motor type
a = ADX or VDX: 3-phase AC motor
b = AEX, ACX, VEX, VCX: 1-phase AC motor
a
Protection type of electrical connection
3 = Terminal compartment Ex e increased safety
4 = Terminal compartment Ex d flameproof enclosure
3
Protection type of position transmitter
a = Without intrinsically safe electric circuit
b = Electric circuit Ex i Intrinsic safety (RWG 5020.2Ex)
b
Protection type of fieldbus
1 = Without intrinsically safe Ex ic fieldbus connection
3= Ex ic intrinsically safe fieldbus connection
1
12
SAEx 07.2 – SAEx 16.2/SAREx 07.2 – SAREx 16.2 Control unit - electromechanical
Name plate ACExC 01.2 Intrusive Modbus RTU
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