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Installation_Guide_SIAB000B0010AA_Rev. 03 13 / 32
The curve can move from its axis using the TD time selection device, which the user can adjust.
I
adjusted
is the initial operating current, set by the user.
5. SPECIFIC CURRENT TRANSFORMERS
SIA-B relay requires specific CTs to achieve not only the line current measurement, but also the
power to keep the relay switched on with tripping capability.
Depending on the requirements there are the following possibilities: