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…+55C
Transport and storage temperature range -40…+70C
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…55C
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
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