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Page 19
Current Input
Item
Description
Pin name
1S, 2S, 3S, 1L, 2L, 3L
Connector
Terminal block[Busbar]
Wire
2.1 to 6 mm
2
[ 14 to 10 AWG]
Ratings
5A nominal/ 10A full scale 3 ~
Burden
Maximum 0.005A/phase @10A
Compliance
Pollution degree 2, Installation Category
Ⅲ
CT[Current Transformer]
Item
Description
Compliance
UL61010-1; and IEC 61010-1 2
nd
Edition, Pollution Degree 2,
Overvoltage Category
Ⅲ
Primary CT
1
Equal to current rating of the power feed protection device.
Secondary CT Burden
> 3VA
1
If the predicted peak load is considerably less than the rated system capacity, you can improve
accuracy and resolution by selecting a lower rated CT.