ABB RELION REF610, Technical Reference Manual

Page: 152 / 176

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 ± 5 Hz
Rated current, I
n
(CT) 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
m
Ω
<100
m
Ω
<20
m
Ω
Table 5.2.4.-4 Measuring range
Measured currents on phases I
a
, I
b
and I
c
as
multiples of the rated currents of the energizing
inputs
0...50 × I
n
(CT)
Ground-fault current as a multiple of the rated
current of the energizing input 0...20 × I
n
(CT)
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
152
REF610 REF610 Feeder Protection Relay
Technical Reference Manual - ANSI Version
1MRS755535