Micom P634 - Page 47

Inrush Stabilization (2
nd
harmonic)
●
Deviation: ± 10%
Overflux Blocking (5
th
harmonic)
●
Deviation: +0/–20%
2.9.1.3 Restricted Earth-Fault Protection
Measuring system with default value for the amplitude matching
factors = 1:
●
at I
d
= 0.2·I
ref
: ± 5%
2.9.1.4 Overcurrent-Time Protection
Operate values
●
Deviation: ± 5%
2.9.1.5 Thermal Overload Protection
Operate value Θ
●
Deviation: ± 5% of the setting or ± 1% of the nominal value
2.9.1.6 Time-Voltage Protection
Operate values
●
V<>: ± 1% (in the range 0.6 to 1.4 Vnom)
2.9.1.7 Frequency Protection
Operate values f<>
●
± 5 mHz
Operate values df/dt
●
± 100 mHz/s
2.9.1.8 Overexcitation Protection
●
Operate values: ± 3%
2.9.1.9 Direct Current Input
●
Deviation: ± 1 %
2.9.1.10 Resistance Thermometer
●
Deviation: ± 2°C (in the range −40°C ... 120°C)
2.9.1.11 Analog Measured Data Output
●
Deviation: ± 1 %
●
Output residual ripple with max. load: ± 1 %
2 Technical Data
P634
P634/EN M/R-42-A // P634‑311‑653 2-19