ABB ATS022 - Page 9

9
1SDH000760R0002, L4106
Installation and operating instructions, ATS022
2. Product overview
The device has an external auxiliary power supply possibility for guarantying an uninterrupted power
supply for the protection devices in the case where they are not powered through the control circuit.
From the display, one can choose whether the N-line is connected or not.
Figure 2.6 The circuit diagram, when N-line is not connected.
Figure 2.5 An external 24...110 Vdc auxiliary power supply
LINE 1
LINE 2
L1 L2 L3
1
4
3
2
LN1
L1
L2
L3
X11
L1 L2 L3
X12
1
4
3
2
LN2
L1
L2
L3
KA00468
1
2
X41
AUX
LINE 1
LINE 2
L1 N
1
4
3
2
LN1
L1
L2
N
L3
X11
L1 N
X12
1
4
3
2
LN2
L1
L2
N
L3
KA00467
1
2
X41
AUX
LINE 1
LINE 2
L1 L2 NL3
1
4
3
2
LN1
L1
L2
N
L3
X11
L1 L2 NL3
X12
1
4
3
2
LN2
L1
L2
N
L3
KA00466
1
2
X41
AUX