Ripple in the DC auxiliary voltage Max 12% of the DC value (at
frequency of 100 Hz)
Interruption time in the auxiliary DC voltage without
resetting the relay
<50 ms at U
aux
rated
Time to trip from switching on the auxiliary voltage <350 ms
Internal over temperature limit +100°C
Fuse type T2A/250 V
Table 5.2.4.-3 Energizing inputs
Rated frequency 50/60 Hz ±5Hz
Rated current, I
n
() 0.2 A 1 A 5 A
Thermal withstand capability:
*
continuously 1.5 A 4 A 20 A
*
for 1 s 20 A 100 A 500 A
*
for 10 s 5 A 25 A 100 A
Dynamic current withstand:
*
half-wave value 50 A 250 A 1250
A
Input impedance <750
mΩ
<100
mΩ
<20
mΩ
Table 5.2.4.-4 Measuring range
Measured currents on phases I
L1
,I
L2
and I
L3
as
multiples of the rated currents of the energizing
inputs
0...50 × I
n
Earth-fault current as a multiple of the rated
current of the energizing input
0...20 × I
n
Table 5.2.4.-5 Digital inputs
Rated voltage: DI1...DI2 DI3...DI5 (optional)
REF610CxxHxxx 110/125/220/250 V DC
Activating threshold Max. 88 V DC (110 V DC -
20%)
REF610CxxLxxx 24/48/60/110/125/
220/250 V DC
Activating threshold Max. 19,2 V DC (24 V DC -
20%)
REF610CxxxxLx 24/48/60/110/125/
220/250 V DC
Activating threshold Max. 19,2 V DC (24 V DC -20%)
REF610CxxxxHx 110/125/220/250 V DC
Activating threshold Max. 88 V DC (110 V DC -20%)
Operating range ±20% of the rated voltage
Current drain 2...18 mA
Power consumption/input ≤0.9 W
148
REF 610REF 610
Feeder Protection Relay
Technical Reference Manual
1MRS755310
To Next Page
Loading...
