ABB Relion SMU615, Руководство по эксплуатации продукта, Страница: 11 / 32

11. Technical data
Table 4. Dimensions
Description Value
Width Frame 177 mm
Case 164 mm
Height Frame 177 mm (4U)
Case 160 mm
Depth 201 mm (153 + 48 mm)
Weight Complete merging unit 4.1 kg
Plug-in unit only 2.1 kg
Table 5. Power supply
Description Type 1 Type 2
Nominal auxiliary voltage U
n
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 merging unit 50 ms at U
n
Auxiliary voltage 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 <13.0 W (nominal)/<18.0 W (max.)
AC <16.0 W (nominal)/<21.0 W (max.) DC <13.0 W (nominal)/<18.0 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 6. Energizing inputs
Description Value
Rated frequency 50/60 Hz
Current inputs Rated current, I
n
0.2/1 A 1/5 A
Thermal withstand capability:
• Continuously 4 A 20 A
• For 1 s 100 A 500 A
Dynamic current withstand:
• Half-wave value 250 A 1250 A
Input impedance <100 mΩ <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
Substation Merging Unit 1MRS758420 B
SMU615
Product version: 1.0
ABB 11