AUMA SQEx 05.2 Operating Instructions Manual page 12

Name plate
Type designation
12
SQEx 05.2 SQEx 14.2/SQREx 05.2
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
Table 1:
Description of type designation (with the example of SQ 07.2-F10)
SQEx 07.2 -F10
SQEx Type SQ = Part-turn actuators for open-close duty
Type SQR = Part-turn actuators for modulating duty
07.2 Size
These instructions apply to sizes 05.2, 07.2, 10.2, 12.2, 14.2
F10 Flange size
Table 2:
Description of actuator controls type designation (with the example of ACExC 01.2)
ACExC 01.2
ACExC Type AC = AUMATIC actuator controls
ExC = explosion-proof version
01.2 Size 01.2
Ex marking
Table 3:
Marking for explosion protection (example of /-a3b1)
a 3 b 1
Not used
a Motor type
a = VDX or SDX: 3-phase AC motor
= VWX or SWX: 1-phase AC motor
3 Protection type of electrical connection
3 = Terminal compartment Ex e increased safety
4 = Terminal compartment Ex d flameproof enclosure
b Protection type of position transmitter
a = Without intrinsically safe electric circuit
b = Electric circuit Ex i Intrinsic safety (RWG 5020.2Ex)
1
SQREx 14.2 Control unit: electronic (MWG)
ACExC 01.2 Non-Intrusive Profibus DP
Protection type of fieldbus
1 = Without intrinsically safe Ex ic fieldbus connection
3= Ex ic intrinsically safe fieldbus connection