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10.1.3
Protection Elements Accuracy
NOTICE!
The tripping delay relates to the time between pickup and trip. The accuracy of the
operating time relates to the time between fault entry and the time when the protection
element is picked-up.
Reference conditions for all Protection Elements: sine wave, at rated frequency, THD <
1%, measuring method: Fundamental
10.1.3.1 Phase Overcurrent Protection
Phase Overcurrent Protection
Elements: 50P[x]
Accuracy
Pickup
±1.5% of the setting value or ±1% In.
Dropout Ratio
97% or 0.5% In
t
DEFT
±1% or ±10 ms
Operating Time
At testing current ≥ 2 times pickup value
<20 ms
Disengaging Time
<38 ms
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EMR-3MP0
10 Technical Data EMR-3MP0
10.1 Tolerances / Specifications