16. Technical data
Table 5. Dimensions
Description
Value
Width
Frame
262.2 mm
Case
246 mm
Height
Frame
177 mm, 4U
Case
160 mm
Depth
201 mm
Weight
Complete IED
max. 5.5 kg
Plug-in unit only
max. 3.0 kg
Table 6. Power supply
Description
Type 1
Type 2
U
aux
nominal
100, 110, 120, 220, 240 V AC, 50 and 60 Hz
24, 30, 48, 60 V DC
48, 60, 110, 125, 220, 250 V DC
Maximum interruption time in the auxiliary
DC voltage without resetting the IED
50 ms at U
n
rated
U
aux
variation
38...110% of U
n
(38...264 V AC)
50...120% of U
n
(12...72 V DC)
80...120% of U
n
(38.4...300 V DC)
Start-up threshold
19.2 V DC (24 V DC × 80%)
Burden of auxiliary voltage supply under
quiescent (P
q
)/operating condition
DC <12.0 W (nominal)/<19.0 W (max)
AC <13.0 W (nominal)/<21.0 W (max)
DC <12.0 W (nominal)/<19.0 W (max)
Ripple in the DC auxiliary voltage
Max 15% of the DC value (at frequency of 100 Hz)
Fuse type
T4A/250 V
Table 7. Energizing inputs
Description
Value
Rated frequency
50/60 Hz ± 5 Hz
Current inputs
Rated current, I
n
1/5 A
1)
Thermal withstand capability:
• Continuously
20 A
• For 1 s
500 A
Dynamic current withstand:
• Half-wave value
1250 A
Input impedance
<20 mΩ
Voltage inputs
Rated voltage
60...210 V AC
Voltage withstand:
• Continuous
240 V AC
• For 10 s
360 V AC
Burden at rated voltage
<0.05 VA
1)
Residual current and/or phase current
Transformer Protection and Control
1MRS757846 A
RET620
Product version: 2.0
18
ABB