2.4.4 Environmental Tests
The tests were performed according to IEC 61850-3 referring to the following standards:
IEC 60068-2-1
Cold
–40
◦
C, 16 h
IEC 60068-2-2
Dry heat
+85
◦
C, 16 h
IEC 60068-2-14
Change of temperature
–20 to +55
◦
C, 5 cycles, (1
◦
C/min)
IEC 60068-2-30
Damp heat, cyclic (12 h + 12 h)
+55
◦
C, 97 % RH, 6 cycles
IEC 60068-2-78
Damp heat, steady state
+40
◦
C, 93 % RH, 240 h
IEC 60255-21-1
Vibration (sinusoidal)
10–150 Hz, 1
gn
, 2 sweeps, 3 axes
Class 2
10–150 Hz, 2
gn
, 40 sweeps, 3 axes
IEC 60255-21-2
Shock
10
gn
, 11 ms,
±
3 shocks, 3 axes
Class 2
30
gn
, 11 ms,
±
3 shocks, 3 axes
20
gn
, 16 ms,
±
1000 shocks, 3 axes
IEC 60255-21-3
Seismic
1
4-35 Hz, 1
gn
, 1 sweep, hor. axes
Class 2
4-35 Hz, 2
gn
, 1 sweep, ver. axis
1)
In order to withstand the tests for vibration, shock and seismic, special mounting brackets are optionally available.
2)
The frequency range deviates from the values required by the standard. In this test, a frequency
range of 4-35 Hz instead of 1-35 Hz was used.
2.4.5 Compliance
CB Scheme
√
CSA
√
CE
√
WEEE
√
FCC
√
RoHS
√
UL
√
REACH
√
12
Date: 22nd June 2020
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