SD-0.66-□□I type CT is rectangular & round window type, mainly adapted to cable entry or single bus bar entry, as current measuring and power metering.
The product has whole series types, various specifications and wide application. 30I-I & 30x30I type is burden-enhanced type, able to reach to 5 to 10VA for current up to 100A(core through turns is only 2 to 3 turns).
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