Technical Data - ABB REJ 523 Technical Reference Manual

Overcurrent relay
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REJ 523
4.2.3
52
Technical Reference Manual

Technical data

Table 4.2.3-1 Dimensions
• Width 111.4 mm
• Height, frame 265.9 mm (6U), box 255.8 mm
• Depth 235 mm (245.1 mm with a protective rear cover, available as an option)
• Enclosure size ¼ (x 19")
Weight of the relay ~3.2 kg
Table 4.2.3-2 Power supply
• Rated voltage
• Operating range
• Relay power start-up time, typical
• Burden of auxiliary supply under
quiescent/operating condition
• Ripple in dc auxiliary voltage
• Interruption time in auxiliary dc
voltage without resetting
Table 4.2.3-3 Energizing inputs
Rated frequency
Rated current I
n
Thermal withstand capability
• continuously
• for 1 s
Dynamic current withstand
• half-wave value
Input impedance
Table 4.2.3-4 Measuring range
Measured currents on phases L
the rated currents of the energizing inputs
U
=110/120/220/240 V ac
r
U
=48/60/110/125/220 V dc
r
80...265 V ac
38...265 V dc
300 ms
~ 5 W/~10 W
Max 12% of the dc value
< 30 ms at 48 V dc
< 100 ms at 110 V dc
< 500 ms at 220 V dc
50/60 Hz ±5 Hz
1 A
5 A
4 A
20 A
100 A
500 A
250 A
1250 A
< 100 mΩ
< 20 mΩ
, L
and L
as multiples of
1
2
3
ABB Substation Automation
Products and Systems
0...50 x I
n
MRS750940-MUM

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