13 Technical Specifications
P50 Agile P153
13-6 P153/EN M/B
II.
Operating time IDMT characteristic shape
As per clause 5.2 of IEC60255-151 or
50 ms whichever is greater
DT operation ± 5% or 55 ms whichever is greater**
** Reference condition Currents applied at 2x pick-up level or
higher
III.
Reset time DT Set delay ±10%
IDMT (only for IEEE & US curves) Calculated time ±10%
Negative Phase Sequence Overcurrent
I.
Operating value Pick-up Setting +10% / - 5%
Minimum trip level (IDMT) Setting ± 5% (for setting >=0.2In)
Setting ± 15% (for setting <0.2In)
Drop –off 0.95 x Setting ± 5% (for setting >=0.2In)
0.90 x Setting ± 15% (for setting <0.2In)
II.
Operating time IDMT characteristic shape
As per clause 5.2 of IEC60255-151 or
50 ms whichever is greater
DT operation ± 5% or 55 ms whichever is greater**
** Reference condition Currents applied at 2x pick-up level or
higher
III.
Reset time DT Set delay ±10%
IDMT (only for IEEE & US curves) Calculated time ±10%
Broken Conductor
I.
Operating value Pick-up 1.05 x Setting ± 5%
Drop –off 0.95 x Setting ± 5%
DT operation ± 5% or 55 ms whichever is greater
2nd Harmonic
I.
Operating value 2ndHarm Thresh
Setting ± 15% or 25mA whichever is
greater
I>lift 2H Setting ± 15%
Thermal Overload
I.
Operating time Thermal Trip ± 10% of calculated time**
** Reference condition
Currents applied at
1.1x (Thermal Trip* K setting) or higher
Under current
I.
Operating value Pick-up 0.95 x Settings ± 7.5%
Drop –off 1.05 x Settings ± 7.5%
Operating time DT operation ± 5% or 55 ms whichever is greater
Cold Load Pickup
tcold operating time tcold
Setting ± 10% (with additional Binary
input filtering time)
tclp operating time tclp
Setting ± 10% (with additional Binary
input filtering time)
Operating value Pick-up Setting +10% / - 5%
Minimum trip level (IDMT) Setting ±5% (for settings >=0.2xIn)
Setting ±15% (for settings <0.2xIn)
Drop –off
0.95 x setting ± 5% (for settings
>=0.2xIn)
0.90 x setting ± 15% (for settings
< 0.2xIn)
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