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IEC61010-1 2
nd
Edition, Pollution Degree 2, Overvoltage Category
Ⅲ
.
Caution
In case where PTs are required, fuses should be installed on the secondary of the PTs.
Current Input
Item
Description
Pin name
1S, 2S, 3S, 1L, 2L, 3L
Connector
Terminal block[Busbar]
Wire spec
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 IEC61010-1 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.