ABB REA 10 Series - Power Supply Specifications; Power Consumption Details; Sensor Fiber Specifications; Connection Cable Specifications

Arc Protection Relay REA 10_
1MRS750929-MBG
9
Table 6: Power supply
Relay types REA101-AAA, REA101-AAAG:
U
aux
rated U
r
= 110/120/220/240 V AC
U
r
= 110/125/220/250 V DC
U
aux
variation 85...110% U
r
(AC)
80...120% U
r
(DC)
Relay types REA101-CAA, REA101-CAAG:
U
aux
rated U
r
= 24/48/60 V DC
U
aux
variation 80...120% U
r
DC
Table 7: Power consumption
REA 101 Power consumption of relay under
quiescent/operating conditions
~9 W / ~12 W
Max. port output power ~19 W
Max. number of extension
unit
s/port
5
Max. power consumption with 10
extension u
nits connected
<50 W
REA 103
(operating voltage over the port of
REA 101)
Power consumption of relay under
quiescent/o
perating conditions
~1.6 W / ~3.3 W
REA 105
(operating voltage over the port of
REA 101)
Power consumption of relay under
quiescent/o
perating conditions
~2.7 W / ~3.7 W
REA 107
(operating voltage over the port of
REA 101)
Power consumption of relay under
quiescent/o
perating conditions
~1.7 W / ~2.7 W
Table 8: Sensor fiber
Maximum length without splices or with one splice 60 m
Maximum length with two splices 50 m
Maximum length with three splices 40 m
Service temperature range -35…+80°C
Smallest permissible bending radius 50 mm
Table 9: Connection cable
Maximum length
a
40 m
a) Total length of the connection chain between the central unit and extension units
Table 10: Optolink communication
Maximum length of signal transfer fiber:
Plastic 40 m
Table 11: Setting range
Current setting steps In x 0.5, 1.0, 1.5, 2.5, 3.0, 5.0, 6.0
Neutral current setting steps In x 0.05, 0.10, 0.15, 0.25, 0.3, 0.5, 0.6
Operation accuracy ± 5% of the setting value or ±2% of
In
Table 12: Total operate time
HSO1 and HSO2 ≤2.5 ms
TRIP3 <15 ms
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