GE 339

6–74 339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
S3 PROTECTION CHAPTER 6: SETPOINTS
NTRL TOC DIRECTION
Range: Disabled, Forward, Reverse
Default: Disabled
This setting provides control to the Neutral TOC function in terms of permitting operation
under fault conditions in the selected current flow direction, and blocking it when faults
occur in the opposite direction.
A special case is considered when fault direction is undefined. Then “BLK OC DIR UN”
setting in Neutral Directional defines the fault direction.
OUTPUT RELAY X
For details see Common setpoints
.
BLOCK 1/2/3
For details see Common setpoints
.