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Formula 2:
Target load current value= "R718N360 read value" / (rawdata * 500 * CT transformation ratio) / (0.18 * 8388608) mA
Example:
R718N360 reads the value 925.
CT transformation ratio: 3000:1
The current value of the target load = (925*500*3000) / (0.18*8388608) = 918.904940287mA
Current Direction
Wire to be
detected
Current Direction
Wire to be
detected
CT Specifications Used for Testing
Rated Primary Current
Saturation Current
Rated Secondary Current
Accuracy
Electrical Strength
Load Resistance
The CT terminal should be
close to the power terminal as
much as possible.
CT
Phase A
CT
Phase B
The CT terminal should be
close to the power terminal
as much as possible.
Installation Diagram
Screw
Fixation
Current Direction
Wire to be
detected
300A
≥ 600A
500mA
1% (6A - 600A)
3000VAC 1mA60s
10Ω
11
R718N360
CT
Phase C
The CT terminal should be
close to the power terminal
as much as possible.
Screw
Fixation
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