Auxiliary DC voltage
Table 3. Power supply
Description
Type 1
Type 2
U
aux
nominal
100, 110, 120, 220, 240 V
AC, 50 and 60 Hz
48, 60, 110, 125 V DC
110, 125, 220, 250 V DC
U
aux
variation
85...110% of U
n
(85...264 V
AC)
80...120% of U
n
(38.4...150 V
DC)
80...120% of U
n
(88...300 V
DC)
Maximum load of auxiliary
voltage supply
35 W
Ripple in the DC auxiliary
voltage
Max 15% of the DC value (at frequency of 100 Hz)
Maximum interruption time in
the auxiliary DC voltage
without resetting the IED
50 ms at U
aux
Binary inputs and outputs
Table 4. 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)
Transformer protection RET650
1MRK 504 127-BEN -
Product version: 1.1
Issued: February 2011
40
ABB