Feeder Terminal
REF 541, REF 543, REF 545.
1MRS750443-MBG
39
Table 13: Power outputs
Max system voltage
250 V ac/dc
Continuous carry
5 A
Make and carry for 0.5 s
30 A
Make and carry for 3 s
15 A
Breaking capacity when 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, 24 V ac/dc (2.4 VA)
TCS (Trip Circuit
Supervision)
Control voltage range
20…265 V ac/dc
Current drain through the
supervision circuit
approx. 1.5 mA (0.99…1.72 mA)
Minimum voltage
(threshold) over a
contact
20 V ac/dc (15…20 V)
Table 14: Analogue outputs
Output range
0...20 mA
Accuracy
±0.5% of full scale
Max load
600
Isolation
2 kV (output to output, output to inputs and output to
protective earth)
Response time
85 ms
Table 15: Environmental conditions
Specified service temperature range
-10…+55
C
Transport and storage temperature range
-40…+70
C
Degree of protection by enclosure Front side, flush-mounted
IP 54
Rear side, connection terminals
IP 20
Dry heat test
according to IEC 60068-2-2
Dry cold test
according to IEC 60068-2-1
Damp heat test, cyclic
according to IEC 60068-2-30
r.h. = 95%, T = 20
…55
C
Storage temperature tests
according to IEC 60068-2-48
Table 16: Standard tests
Insulation tests
Dielectric test
IEC 60255-5
Test voltage
2 kV, 50 Hz, 1 min.
Impulse voltage test
IEC 60255-5
Test voltage
5 kV, unipolar impulses,
waveform 1.2/50
s,
source energy 0.5 J
Insulation resistance
measurements
IEC 60255-5
Insulation resistance
> 100 M
, 500 V dc
Mechanical tests
Vibration tests (sinusoidal)
IEC 60255-21-1, class I
Shock and bump test
IEC 60255-21-2, class I
Seismic test
IEC 60255-21-3, class 2
