Table 8. Energizing inputs
Description
Value
Rated frequency
50/60 Hz
Operating range
Rated frequency ± 5 Hz
Current inputs Rated current, I
n
0.1/0.5 A
1)
1/5 A
2)
Thermal withstand
capability:
• Continuously
4 A
20 A
• For 1 s
100 A
500 A
• For 10 s
20 A
100 A
Dynamic current
withstand:
• Half-wave value
250 A
1250 A
Input impedance
<100 mΩ
<20 mΩ
Voltage inputs Rated voltage
100 V/ 110 V/ 115 V/ 120 V (Parametrization)
Voltage withstand:
• Continuous
425 V
• For 10 s
450 V
Burden at rated voltage
<0.05 VA
1) Residual current
2) Phase currents or residual current
Table 9. Binary inputs
Description
Value
Operating range
Maximum input voltage 300 V DC
Rated voltage
24...250 V DC
Current drain
1.6...1.8 mA
Power consumption/input
<0.3 W
Threshold voltage
15...221 V DC (parametrizable in the range in
steps of 1% of the rated voltage)
Feeder Protection and Control
1MRS756380 A
REF630
Product version: 1.0
Issued: 15.09.2009
18
ABB
Summary of Contents for REF630
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