5.4
Shock
Withstand
Test
EN 60255-21-2:1996 Class 2
Peak Acceleration 30 gn
Pulse Duration 11 ms
No. of Pulses in each Direction 3
EUT Condition Non Energised
5.5 Bump Test EN 60255-21-2:1996 Class 2
Peak Acceleration 20 gn
Pulse Duration 16 ms
No. of Pulses in each Direction 1000
EUT Condition Non Energized
5.6 Seismic Test
EN 60255-21-3:1995 (Class 2 -
2g peak)
Freq. Range 1 to 35 Hz
Cross Over Freq. 8 Hz
Peak Disp. Before Cross Over X 7.5 mm
Peak Disp. Before Cross Over Y 3.5 mm
Peak Acceleration After Cross Over X 2 gn
Peak Acceleration After Cross Over Y 1 gn
No. of Sweep Cycles per Axis 1
EUT condition Energised
6. Environmental Tests
6.1 Dry Heat Test
IEC 60255-1,
IEC 60068-2-2: 2007 Bd
Startup +20°C (EUT energised) Functional verification tests for 2 hours
Intermediate +40°C (EUT energised)
Functional verification
tests for 2 hours
High temp claim +65°C (EUT
energised at highest rated voltage)
Operate for 96 hours at highest rated
voltage (HRV)
High temp claim +70°C
(EUT not energised)
Storage for 96 hours
Hot Start +65°C
(EUT energised at highest rated
voltage)
Operate for 2 hours at
highest rated voltage (HRV)
Last test +20°C (EUT energised)
Functional verification
tests for 2 hours
6.2 Cold Test
IEC 60255-1,
IEC 60068-2-1: 2007
Startup +20 °C (EUT energised) Functional verification tests for 2 hours
Intermediate 0°C (EUT energised) Functional verification tests for 2 hours
Intermediate -10°C (EUT energised) Functional verification tests for 2 hours
Low temp - 25°C (EUT energised) Functional verification tests for 96 hours
Low temp -25°C(EUT not energised) Storage for 96 hours
Cold start -25°C (EUT energised) Operate for 2 hours
Last test +20°C (EUT energised) Functional verification tests for 2 hours
6.3
Change of
Temperature
Test
IEC 60255-1,
EN 60068-2-14:2009 Nb
Lower Temperature -25°C
Higher Temperature +55°C
Rate of change of temperature 1°C/min
Duration of Exposure 5 Cycle
Duration of Cycle 3 + 3 hrs.
EUT Condition Energised
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