Technical Data - ABB Relion SMU615 Product Manual

Substation Merging Unit
SMU615
Product version: 1.0

11. Technical data

Table 4. Dimensions
Description
Width
Height
Depth
Weight
Table 5. Power supply
Description
Nominal auxiliary voltage U
Maximum interruption time in the auxiliary DC
voltage without resetting the merging unit
Auxiliary voltage variation
Start-up threshold
Burden of auxiliary voltage supply under
quiescent (P )/operating condition
q
Ripple in the DC auxiliary voltage
Fuse type
Table 6. Energizing inputs
Description
Rated frequency
Current inputs
Voltage inputs
ABB
Value
Frame
Case
Frame
Case
Complete merging unit
Plug-in unit only
Type 1
100, 110, 120, 220, 240 V AC, 50 and 60 Hz
n
48, 60, 110, 125, 220, 250 V DC
50 ms at U
38...110% of U
80...120% of U
DC <13.0 W (nominal)/<18.0 W (max.)
AC <16.0 W (nominal)/<21.0 W (max.)
Max 15% of the DC value (at frequency of 100 Hz)
T4A/250 V
Rated current, I
n
Thermal withstand capability:
• Continuously
• For 1 s
Dynamic current withstand:
• Half-wave value
Input impedance
Rated voltage
Voltage withstand:
• Continuous
• For 10 s
Burden at rated voltage
n
(38...264 V AC)
n
(38.4...300 V DC)
n
Value
50/60 Hz
0.2/1 A
4 A
100 A
250 A
<100 mΩ
60...210 V AC
240 V AC
360 V AC
<0.05 VA
1MRS758420 B
177 mm
164 mm
177 mm (4U)
160 mm
201 mm (153 + 48 mm)
4.1 kg
2.1 kg
Type 2
24, 30, 48, 60 V DC
50...120% of U (12...72 V DC)
n
19.2 V DC (24 V DC × 80%)
DC <13.0 W (nominal)/<18.0 W (max.)
1/5 A
20 A
500 A
1250 A
<20 mΩ
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