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ABB Industrial IT enabled REX 521 Technical Reference Manual, General page 38

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Technical Reference Manual, General
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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
supervision)
range
Current drain
through the
supervision
circuit
Minimum voltage
(threshold) over
a contact
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Specified service temperature range
Transport and storage temperature range
Enclosure class
Dry heat test
Dry cold test
Damp heat test, cyclic
Storage temperature tests
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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
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The EMC immunity test level fulfills the requirements listed below
1 MHz burst disturbance test, class
III, IEC 60255-22-1
Electrostatic discharge test,
class III
IEC 61000-4-2 and 60255-22-2
Radio frequency interference test
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
Test voltage
Test voltage
Insulation resistance
common mode
differential mode
for contact discharge
for air discharge
conducted, common mode
IEC 61000-4-6, IEC 60255-22-6
radiated, amplitude-modulated
IEC 61000-4-3, IEC 60255-22-3
radiated, pulse-modulated
ENV 50204, IEC 60255-22-3
1MRS 751108-MUM
-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. >93%, T = 25...55°C
according to IEC 60068-2-48
2 kV, 50 Hz, 1 min.
5 kV, unipolar impulses,
waveform 1,2/50 µs, source
energy 0.5 J
> 100 MΩ, 500 V dc
IEC 60255-21-1, class I
IEC 60255-21-2, class I
IEC 60255-21-3, class 2
2.5 kV
1.0 kV
6 kV
8 kV
10 V (rms),
f = 150 kHz...80 MHz
10 V/m (rms),
f = 80...1000 MHz
10 V/m,
f = 900 MHz

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