ABB Relion SMU615 Technical Manual page 246

Section 11
Technical data
240
Table 292: Energizing inputs
Description
Rated frequency
Current inputs Rated current, I
Thermal withstand
capability:
•
•
Dynamic current
withstand:
•
Input impedance
Voltage inputs Rated voltage
Voltage withstand:
•
•
Burden at rated voltage
Table 293: Energizing inputs (sensors)
Description
Current sensor input Rated current voltage (in
secondary side)
Continuous voltage
withstand
Input impedance at 50/60
Hz
Voltage sensor input Rated voltage
Continuous voltage
withstand
Input impedance at 50/60
Hz
1) Equals the current range of 40...4000 A with a 80 A, 3 mV/Hz Rogowski
2) Depending on the used nominal current (hardware gain)
3) This range is covered (up to 2*rated) with sensor division ratio of 10 000:1
Table 294: Binary inputs
Description
Operating range
Rated voltage
Current drain
Table continues on next page
Value
50/60 Hz
0.2/1 A
n
Continuously 4 A
For 1 s 100 A
Half-wave value 250 A
<100 mΩ
60...210 V AC
Continuous 240 V AC
For 10 s 360 V AC
<0.05 VA
Value
75 mV...9000 mV
125 V
2...3 MΩ
6 kV...30 kV
50 V
3 MΩ
Value
±20% of the rated voltage
24...250 V DC
1.6...1.9 mA
1MRS758407 B
1/5 A
20 A
500 A
1250 A
<20 mΩ
1)
2)
3)
Technical Manual
SMU615