5
b) Insert the power meter through the hole and slide in the
retainer clip along the slots on left and right sides or bottom
and top sides of the power meter until the device is tightly
secured on the switchgear panel. The orientation of the
retainer clips is shown in fi gure 1.
The retainer clip can be removed by lifting the tab lightly at
the handle end.
c) Connect the metering voltage input, current input,
communcation and auxiliary according to the wiring schemes
shown in section 2.2 fi gure 3 to 6 on the next page.
d) The recomended wire size is as below:
• voltage input and auxiliary - AWG16~22
• current input - AWG12~18
• Modbus-RTU - AWG22 or thicker, shielded twisted pair
NOTE:
Polarity marks must be followed as shown
for CTs (S1 and S2).
Please make sure the power to the current meter-
ing input is totally shunted. Under no circumstances
can the CT connection be left open circuit. Use a
CT shorting block if necessary.
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