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Installation and commissioning
3 CT wiring
For a 3-phase 3-wire system, the meter calculates residual current
for Ground.
For a 3-phase 4-wire system, the meter calculates residual current
for Neutral.
For a 3-phase 3-wire system, the meter measures the residual
current for Ground at I4.
For a 3-phase 4-wire system, the meter measures the residual
current for Neutral at I4.
L1
L2
L3
I5
I1
I2
I3
I4
L1
L2
L3
N
I5
I1
I2
I3
I4
4 CT wiring
For a 3-phase 4-wire system, the meter calculates residual current
for Ground.
For a 3-phase 4-wire system, the meter measures the residual
current for Ground at I5.
N
L1
L2
L3
I5
I1
I2
I3
I4
N
L1
L2
L3
I5
I1
I2
I3
I4
Functional ground
The meter’s functional ground terminal must be wired for optimum performance.
Use the supplied ferrite when terminating the functional ground terminal to earth
ground. Make sure the ground wire is looped through, around and back through
the ferrite as shown.
Removing the display from back-to-back mounting adapter
Instructions on how to remove the display, for example, if you want to connect it to
another meter.
7EN05-0390-00
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Summary of Contents for 9810 Series
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