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8
A M P 1 I N T E G R AT E D P O W E R A N D E N E R G Y I N S TA L L AT I O N I N S T R U C T I O N S
AMP1
Wiring
WARNING: RISK OF ELECTRIC SHOCK OR
PERMANENT EQUIPMENT DAMAGE
Failure to follow these instructions will result in
death or serious injury.
CT negative terminals are referenced to the meter's
neutral and may be at elevated voltages.
• Do not contact meter terminals while unit is
connected.
• Do not connect or short other circuits to the CT
terminals.
Figure 1.
1-phase, line to neutral, 2-wire system, 1 CT
USE SYSTEM TYPE 10 (1L + 1n)
N L1
N
L1 L2
N
L1 L2
X1
White
Black
X2
X1
X1
X2
X1
X2
X1
X2
Figure 2.
X2
1-phase, line to line, 2-wire system, 1 CT
USE SYSTEM TYPE 11 (2L)
L1 L2
L1 L2 L3
X1
L1 L2 L3
White
Black
X2
X1
X1
X1
X2
Figure 3.
X1
X1
X2
X2
1-phase, direct voltage, 2-wire system connection, 2 CT
X2
X1
USE SYSTEM TYPE 12 (2L + 1n)
X2
N
L1 L2
X2
X1
White
Black
X2
X1
White
Black
X2
For troubleshooting or service related questions, contact ABB at 800-782-8061 or at epis.component.support@abb.com
L1 L2
A
B
C
N
A
B
X1
C
A
+
A
N
B
-
X2
C
+
B
White
N
-
+
A
Black
+
-
C
White
-
+
+
White
B
A
Black
-
-
Black
+
+
C
White
B
-
-
Black
+
C
-
A
B
C
N
+
A
-
A
+
B
B
-
C
A
+
N
B
C
-
C
White
N
+
A
Black
-
White
White
+
+
B
A
Black
Black
-
-
White
White
+
+
C
B
Black
Black
-
-
White
+
C
Black
-
N L1 L2 L3
A
B
C
N
+
X1
A
-
+
B
X2
-
+
C
-
X1
White
Black
X2
X1
White
Black
X2
Figure 4.
3-phase, 3-wire system connection, CT no PT
USE SYSTEM TYPE 31 (3L)
L1 L2 L3
X1
White
Black
X1
X2
X1
X2
X2
Figure 5.
3-phase, 4-wire, wye direct voltage input connection, 3 CT
N L1 L2 L3
USE SYSTEM TYPE 40 (3L + 1n)
A
B
N L1 L2 L3
C
N
White
+
Black
A
-
+
B
-
X1
White
+
C
Black
-
X1
White
X2
X1
X2
X1
X2
X1
X2
X2
X1
X2
Figure 6.
3-phase, 4-wire, wye connection, 3 CT 3 PT
USE SYSTEM TYPE 40 (3L + 1n)
N L1 L2 L3
N L1 L2 L3
X1
X1
X2
X1
X2
X2
X1
X1
X2
X1
X2
X2
A
B
C
N
White
+
A
Black
-
White
X1
+
B
Black
-
White
X2
X1
+
C
Black
-
X2
N
+
A
-
+
B
-
+
C
-
A
B
C
N
+
A
-
White
+
B
Black
-
White
+
C
Black
-
A
B
C
A
N
B
C
N
+
A
-
White
+
+
B
A
Black
Black
-
-
White
White
+
+
C
B
Black
Black
-
-
White
+
C
Black
-
A
B
C
A
B
N
C
N
White
+
A
Black
-
White
White
+
+
A
B
Black
Black
-
-
White
White
+
+
C
B
Black
Black
-
-
White
+
C
Black
-
X1
White
Black
Whi
X2
X1
Blac
X2
X1
X2
N L1 L2 L3
X1
White
Black
X2
X1
W
X2
X1
X2
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