ABB PST Series - 10:26 Phase imbalance protection; 10:27 Phase imbalance protection level

132 1SFC132003M0201
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If the current in one phase differs from another phase with
more than the set level the protection is activated.
The protection starts monitoring 30 seconds after full
voltage
.
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This parameter makes it possible to set the level of the
phase imbalance protection. It is active only if the Phase
imbalance protection is selected.
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Phase Imb No Yes, No Phase imbal-
ance protection
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Ph Imb Lev 80% 10...80% Trip level for
Phase imbal-
ance protection