ABB REF 541 Product Manual page 39

Feeder Terminal
Table 13: 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 14: Analogue outputs
Output range
Accuracy
Max load
Isolation
Response time
Table 15: Environmental conditions
Specified service temperature range
Transport and storage temperature range
Degree of protection by enclosure Front side, flush-mounted
Dry heat test
Dry cold test
Damp heat test, cyclic
Storage temperature tests
Table 16: Standard tests
Insulation tests Dielectric test
IEC 60255-5
Impulse voltage test
IEC 60255-5
Insulation resistance
measurements
IEC 60255-5
Mechanical tests Vibration tests (sinusoidal)
Shock and bump test
Seismic test
REF 541, REF 543, REF 545.
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)
0...20 mA
±0.5% of full scale
600 
2 kV (output to output, output to inputs and output to
protective earth)
85 ms
Rear side, connection terminals
Test voltage
Test voltage
Insulation resistance
1MRS750443-MBG
-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 = 20...55C
according to IEC 60068-2-48
2 kV, 50 Hz, 1 min.
5 kV, unipolar impulses,
waveform 1.2/50 s,
source energy 0.5 J
> 100 M, 500 V dc
IEC 60255-21-1, class I
IEC 60255-21-2, class I
IEC 60255-21-3, class 2
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