6
A M P1B1 , A M P1C 2 , A M P1C 3 Com pac t Powe r a nd E ne rg y M ete r
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)
Figure 2:
1-phase, Line to Line, 2-wire system, 1 CT
USE SYSTEM TYPE 11 (2L)
Figure 3:
1-phase, direct voltage, 2-wire system connection, 2 CT
USE SYSTEM TYPE 12 (2L + 1n)
Figure 4:
3-phase, 3-wire system connection, CT no PT
USE SYSTEM TYPE 31 (3L)
Figure 5:
3-phase, 4-wire, wye direct voltage input connection, 3 CT
USE SYSTEM TYPE 40 (3L + 1n)
Figure 6:
3-phase, 4-wire, wye connection, 3 CT 3 PT
USE SYSTEM TYPE 40 (3L + 1n)
Figure 1.
1-phase, Line to Neutral, 2-wire system, 1 CT
USE SYSTEM TYPE 10 (1L + 1n)
N L1
X2
X1
White
Black
A
B
C
N
+
-
+
-
+
-
A
B
C
Figure 2.
1-phase, Line to Line, 2-wire system, 1 CT
USE SYSTEM TYPE 11 (2L)
L1 L2
X2
X1
White
Black
A
B
C
N
+
-
+
-
+
-
A
B
C
Figure 3.
1-phase, direct voltage, 2-wire system connection, 2 CT
USE SYSTEM TYPE 12 (2L + 1n)
L1 L2
X2
X1
X2
X1
A
B
C
N
+
-
+
-
+
-
A
B
C
N
White
Black
White
Black
Figure 4.
3-phase, 3-wire system connection, CT no PT
USE SYSTEM TYPE 31 (3L)
L1 L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
White
Black
White
Black
White
Black
Figure 5.
3-phase, 4-wire, wye direct voltage input connection, 3 CT
USE SYSTEM TYPE 40 (3L + 1n)
L1
N
L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
White
Black
White
Black
White
Black
Figure 6.
3-phase, 4-wire, wye connection, 3 CT 3 PT
USE SYSTEM TYPE 40 (3L + 1n)
White
Black
White
White
Black
Black
L1
N
L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
17892_DET784_AMP1_B1-C3_Install_Instructs_Printerspreads.indd 10-11
Figure 1.
1-phase, Line to Neutral, 2-wire system, 1 CT
USE SYSTEM TYPE 10 (1L + 1n)
N L1
X2
X1
White
Black
A
B
C
N
+
-
+
-
+
-
A
B
C
Figure 2.
1-phase, Line to Line, 2-wire system, 1 CT
USE SYSTEM TYPE 11 (2L)
L1 L2
X2
X1
White
Black
A
B
C
N
+
-
+
-
+
-
A
B
C
Figure 3.
1-phase, direct voltage, 2-wire system connection, 2 CT
USE SYSTEM TYPE 12 (2L + 1n)
L1 L2
X2
X1
X2
X1
A
B
C
N
+
-
+
-
+
-
A
B
C
N
White
Black
White
Black
Figure 4.
3-phase, 3-wire system connection, CT no PT
USE SYSTEM TYPE 31 (3L)
L1 L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
White
Black
White
Black
White
Black
Figure 5.
3-phase, 4-wire, wye direct voltage input connection, 3 CT
USE SYSTEM TYPE 40 (3L + 1n)
L1
N
L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
White
Black
White
Black
White
Black
Figure 6.
3-phase, 4-wire, wye connection, 3 CT 3 PT
USE SYSTEM TYPE 40 (3L + 1n)
White
Black
White
White
Black
Black
L1
N
L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
17892_DET784_AMP1_B1-C3_Install_Instructs_Printerspreads.indd 10-11
Figure 1.
1-phase, Line to Neutral, 2-wire system, 1 CT
USE SYSTEM TYPE 10 (1L + 1n)
N L1
X2
X1
White
Black
A
B
C
N
+
-
+
-
+
-
A
B
C
Figure 2.
1-phase, Line to Line, 2-wire system, 1 CT
USE SYSTEM TYPE 11 (2L)
L1 L2
X2
X1
White
Black
A
B
C
N
+
-
+
-
+
-
A
B
C
Figure 3.
1-phase, direct voltage, 2-wire system connection, 2 CT
USE SYSTEM TYPE 12 (2L + 1n)
L1 L2
X2
X1
X2
X1
A
B
C
N
+
-
+
-
+
-
A
B
C
N
White
Black
White
Black
Figure 4.
3-phase, 3-wire system connection, CT no PT
USE SYSTEM TYPE 31 (3L)
L1 L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
White
Black
White
Black
White
Black
Figure 5.
3-phase, 4-wire, wye direct voltage input connection, 3 CT
USE SYSTEM TYPE 40 (3L + 1n)
L1
N
L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
White
Black
White
Black
White
Black
Figure 6.
3-phase, 4-wire, wye connection, 3 CT 3 PT
USE SYSTEM TYPE 40 (3L + 1n)
White
Black
White
White
Black
Black
L1
N
L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
17892_DET784_AMP1_B1-C3_Install_Instructs_Printerspreads.indd 10-11
Figure 1.
1-phase, Line to Neutral, 2-wire system, 1 CT
USE SYSTEM TYPE 10 (1L + 1n)
N L1
X2
X1
White
Black
A
B
C
N
+
-
+
-
+
-
A
B
C
Figure 2.
1-phase, Line to Line, 2-wire system, 1 CT
USE SYSTEM TYPE 11 (2L)
L1 L2
X2
X1
White
Black
A
B
C
N
+
-
+
-
+
-
A
B
C
Figure 3.
1-phase, direct voltage, 2-wire system connection, 2 CT
USE SYSTEM TYPE 12 (2L + 1n)
L1 L2
X2
X1
X2
X1
A
B
C
N
+
-
+
-
+
-
A
B
C
N
White
Black
White
Black
Figure 4.
3-phase, 3-wire system connection, CT no PT
USE SYSTEM TYPE 31 (3L)
L1 L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
White
Black
White
Black
White
Black
Figure 5.
3-phase, 4-wire, wye direct voltage input connection, 3 CT
USE SYSTEM TYPE 40 (3L + 1n)
L1
N
L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
White
Black
White
Black
White
Black
Figure 6.
3-phase, 4-wire, wye connection, 3 CT 3 PT
USE SYSTEM TYPE 40 (3L + 1n)
White
Black
White
White
Black
Black
L1
N
L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
17892_DET784_AMP1_B1-C3_Install_Instructs_Printerspreads.indd 10-11
Figure 1.
1-phase, Line to Neutral, 2-wire system, 1 CT
USE SYSTEM TYPE 10 (1L + 1n)
N L1
X2
X1
White
Black
A
B
C
N
+
-
+
-
+
-
A
B
C
Figure 2.
1-phase, Line to Line, 2-wire system, 1 CT
USE SYSTEM TYPE 11 (2L)
L1 L2
X2
X1
White
Black
A
B
C
N
+
-
+
-
+
-
A
B
C
Figure 3.
1-phase, direct voltage, 2-wire system connection, 2 CT
USE SYSTEM TYPE 12 (2L + 1n)
L1 L2
X2
X1
X2
X1
A
B
C
N
+
-
+
-
+
-
A
B
C
N
White
Black
White
Black
Figure 4.
3-phase, 3-wire system connection, CT no PT
USE SYSTEM TYPE 31 (3L)
L1 L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
White
Black
White
Black
White
Black
Figure 5.
3-phase, 4-wire, wye direct voltage input connection, 3 CT
USE SYSTEM TYPE 40 (3L + 1n)
L1
N
L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
White
Black
White
Black
White
Black
Figure 6.
3-phase, 4-wire, wye connection, 3 CT 3 PT
USE SYSTEM TYPE 40 (3L + 1n)
White
Black
White
White
Black
Black
L1
N
L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
17892_DET784_AMP1_B1-C3_Install_Instructs_Printerspreads.indd 10-11
Figure 1.
1-phase, Line to Neutral, 2-wire system, 1 CT
USE SYSTEM TYPE 10 (1L + 1n)
N L1
X2
X1
White
Black
A
B
C
N
+
-
+
-
+
-
A
B
C
Figure 2.
1-phase, Line to Line, 2-wire system, 1 CT
USE SYSTEM TYPE 11 (2L)
L1 L2
X2
X1
White
Black
A
B
C
N
+
-
+
-
+
-
A
B
C
Figure 3.
1-phase, direct voltage, 2-wire system connection, 2 CT
USE SYSTEM TYPE 12 (2L + 1n)
L1 L2
X2
X1
X2
X1
A
B
C
N
+
-
+
-
+
-
A
B
C
N
White
Black
White
Black
Figure 4.
3-phase, 3-wire system connection, CT no PT
USE SYSTEM TYPE 31 (3L)
L1 L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
White
Black
White
Black
White
Black
Figure 5.
3-phase, 4-wire, wye direct voltage input connection, 3 CT
USE SYSTEM TYPE 40 (3L + 1n)
L1
N
L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
White
Black
White
Black
White
Black
Figure 6.
3-phase, 4-wire, wye connection, 3 CT 3 PT
USE SYSTEM TYPE 40 (3L + 1n)
White
Black
White
White
Black
Black
L1
N
L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
+
-
+
-
+
-
17892_DET784_AMP1_B1-C3_Install_Instructs_Printerspreads.indd 10-11
