Allen-Bradley 1420-V1, User Manual, Page: 22 / 90

22 Rockwell Automation Publication 1420-UM001E-EN-P - March 2016
Chapter 2 Installation and Wiring
Figure 15 - Split-phase
Figure 16 - Single-phase
Supply Power
Connect the PowerMonitor™ 500 unit to a source of supply power through user-
provided disconnecting means, such as a switch or circuit breaker close to the
power monitor. Provide overcurrent protection that is sized to protect the wiring.
Apply supply power only after all wiring connections are made to the unit.
Figure 17 - Supply Power
Line
L 1 N
Fuse
PT 1
(VT 1)
Ground
L 2
L 1
PM 500
2-CT and 2-PT/VT Connections
Fuse
PT 2
(VT 2)
L 2
Line
L 1 N
Fuse
Load
Ground
Shorting
terminal block
S 1
I1
CT
1
L 2
L 1
S 2
PM 500
2-CT Connection
S 1
I2
CT
2
S 2
Fuse
L 2
N
Load
Ground
Shorting
terminal block
S 1
I1
CT
1
S 2
S 1
I2
CT
2
S 2
N
Meter Configuration: System = 2P
Line
L 1 N
Fuse
PT
(VT )
Load
Ground
Shorting
terminal block
L 1
N
S 1
S 2
I1
Ground
CT
Line
L 1 N
Fuse
Load
Ground
Shorting
terminal block
L 1
N
S 1
S 2
I1
CT
PM 500 PM 500
1-CT Connection 1-CT and 1-PT/VT Connections
Meter Configuration: System = 1P
120/240V AC 50/60Hz, or 120/240V DC
PowerMonitor 500
F = 250V (T) 630 mA
2
1
+
+
-
-