Circutor QNA-303, User Manual

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ANALYZER OF THE QUALITY OF ELECTRIC POWER SUPPLY QNA-303 -- Page 15
5.4.1.2.- Connection diagram for 3-wire power systems
Voltage connection terminal U ( L1, L2, L3)
QNA Pin Description
1 Voltage U
L1
2 Voltage U
L3
3 Voltage U
L2
4 No used
5 No used
6 No used
7 No used
Power supply connection terminal
QNA Pin Description
1 Supply U AL1
2 Supply U AL2
3 Earthing terminal
4 No used
L1
L2
L3
1
1
2
2
3
3
4
4
5
6 7
Power supply
0 - 230 - 400V
Voltage connection terminal U ( L1, L2, L3)
QNA Pin Description
1 Voltage U
L1
2 Voltage U
L3
3 Voltage U
L2
4 No used
5 No used
6 No used
7 No used
Power supply connection terminal
QNA Pin Description
1 Supply U AL1
2 Supply U AL2
3 Earthing terminal
4 No used
QNA-303