1MRS 750616-MUM
Directional or Non-Directional Earth-Fault Relay
Technical Reference Manual
REJ 527
61
Table 4.2.3-5
Binary input
Operating range
18…265 V dc
Rated voltage
U
n
=24/48/60/110/220 V dc
Current drain
~ 2…25 mA
Power consumption
< 0.8 W
Table 4.2.3-6
Signal outputs (SO1, SO2) and self-supervision (IRF) output
Rated voltage
250 V ac/dc
Continuous carry
5 A
Make and carry for 3.0 s
8 A
Make and carry for 0.5 s
10 A
Breaking capacity when the control circuit time-constant L/R
< 40 ms, at 48/110/220 V dc
1 A/0.25 A/0.15 A
Minimum contact load
100 mA at 24 V ac/dc
Table 4.2.3-7
Power outputs (PO1, PO2)
Rated voltage
250 V ac/dc
Continuous carry
5 A
Make and carry for 3.0 s
15 A
Make and carry for 0.5 s
30 A
Breaking capacity when the control circuit time-constant L/R
< 40 ms, at 48/110/220 V dc
5 A/3 A/1 A
Minimum contact load
100 mA at 24 V ac/dc
Table 4.2.3-8
Enclosure class
Front side
IP 54 (flush-mounted)
Rear side, connection terminals
IP20
Note!
A rear protective cover (accessory part) can be used to protect and shield the rear of the
case.
Table 4.2.3-9
Environmental tests
Specified service temperature range
-10...+55 °C
Storage temperature tests
-40...+70
°
C according to the IEC 60068-2-48
Dry heat test
According to the IEC 60068-2-2
Dry cold test
According to the IEC 60068-2-1
Damp heat test, cyclic
According to the IEC 60068-2-30
Table 4.2.3-10 Electromagnetic compatibility tests
EMC immunity test level requirements consider the demands in the generic standard
EN 50082-2
1 MHz burst disturbance test, class III
According to the IEC 60255-22-1
• Common mode
2.5 kV
• Differential mode
1.0 kV
Electrostatic discharge test, class III
According to the IEC 61000-4-2 and
IEC 60255-22-2
• For contact discharge
6 kV
• For air discharge
8 kV
Содержание REJ 527
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