User Manual

Packet Power™ Monitoring Module Users Manual
Copyright 2009-2013 Packet Power, LLC.
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Figure 9. 3Ø Wye 240/415V L-N wiring diagram
Choosing the correct current transformers
The PMM can operate with a variety of standard current transformers (C/Ts). Any current
transformers used with the PMM must satisfy the following criteria:
PMM
LINE
LOAD
X
Y
Z
N
IA+
IA-
IB+
IB-
N
IC-
IC+
VA
VB
VC
X
Y
Z
N
<250V
G
CTX
CTY
CTZ
<250V
<250V
PMM
LINE
LOAD
X
Y
Z
IA+
IA-
IB+
IB-
N
IC-
IC+
VA
VB
VC
X
Y
Z
<250V
<250V
<250V
G
CTX
CTY
Figure 10. 3Ø Delta L-L wiring diagram