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4 Elementos de protección
4.7.1 Commissioning: Undercurrent [ANSI 37]
Enlarge the measuring quantity to more than 103% of the trip value. The relay must only
fall back at 103% of the trip value at the earliest.
Successful test result
The measured tripping delays, threshold values and fallback ratio comply with those
specified in the adjustment list. Permissible deviations/tolerances can be ftaken from
Technical Data.
238
MRM4
MRM4-3.7-ES-MAN
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