ABB REX 521 Technical Reference Manual, General page 31

1MRS 751108-MUM
Protection Relay
Technical Reference Manual, General
Table 4.2.1-3 Digital inputs
Type
Operating range, dc
Input voltage, dc
Current drain
Power consumption/input
Table 4.2.1-4 Signal outputs
Max system voltage
Continuous carry
Make and carry for 0.5 s
Make and carry for 3 s
Breaking capacity when control circuit time-
constant L/R <40 ms, at 48/110/220 V dc
Table 4.2.1-5 Power outputs
Max system voltage
Continuous carry
Make and carry for 0.5 s
Make and carry for 3 s
Breaking capacity when control circuit time
constant L/R <40 ms, at 48/110/220 V dc
Minimum contact load
TCS (Trip-circuit Control voltage range
supervision)
Current drain through
the supervision circuit
Minimum voltage
(threshold) over a
contact
Table 4.2.1-6 Environmental conditions
Specified service temperature range
Transport and storage temperature range
Enclosure class
Dry heat test
Dry cold test
Damp heat test, cyclic
Storage temperature tests
PS_87H
(REX521xxHxx)
80...265 V dc
(for DI9 18...265 V)
110/125/220 V (for DI9
also 24/48/60 V)
~2...25 mA
<0.8 W
250 V ac/dc
5 A
10 A
8 A
1 A/0.25 A/0.15 A
250 V ac/dc
5 A
30 A
15 A
5 A/3 A/1 A
100 mA, 24 V ac/dc (2.4 VA)
20...265 V ac/dc
approx. 1.5 mA (0.99...1.72 mA)
20 V ac/dc (15...20 V)
Front side, flush-mounted
Rear side, connection terminals
REX 521
PS_87L
(REX521xxLxx)
18...265 V
24/48/60 /110/125/220 V
-10...+55 ° C
-40...+70 ° C
IP 54
IP 20
according to IEC 60068-2-2
according to IEC 60068-2-1
according to IEC 60068-2-30,
r.h. = 95%, T = 25...55 ° C
according to IEC 60068-2-48
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