Table of Contents
Advertisement
Transformer protection RET650
Product version: 1.1
Auxiliary DC voltage
Table 3. Power supply
Description
U
nominal
aux
U
variation
aux
Maximum load of auxiliary
voltage supply
Ripple in the DC auxiliary
voltage
Maximum interruption time in
the auxiliary DC voltage
without resetting the IED
Binary inputs and outputs
Table 4. Binary inputs
Description
Operating range
Rated voltage
Current drain
Power consumption/input
Threshold voltage
40
Type 1
100, 110, 120, 220, 240 V
AC, 50 and 60 Hz
110, 125, 220, 250 V DC
85...110% of U
(85...264 V
n
AC)
80...120% of U
(88...300 V
n
DC)
35 W
Max 15% of the DC value (at frequency of 100 Hz)
50 ms at U
aux
Value
Maximum input voltage 300 V DC
24...250 V DC
1.6...1.8 mA
<0.3 W
15...221 V DC (parametrizable in the range in
steps of 1% of the rated voltage)
1MRK 504 127-BEN -
Issued: February 2011
Type 2
48, 60, 110, 125 V DC
80...120% of U
(38.4...150 V
n
DC)
ABB
Advertisement
Table of Contents
