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W Series Data Sheet
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125, 250 Watt AC-DC and DC-DC DIN-Rail Converters
Immunity to Environmental Conditions
Table 10: Mechanical stress and climatic
Test method
Standard
Test conditions
Status
Cab Damp heat
steady state
IEC/EN 60068-2-78
MIL-STD-810D sect. 507.2
Temperature:
Relative humidity:
Duration:
40 ±2 °C
93 +2/-3 %
56 days
Converter
not
operating
Kb
Salt mist, cyclic
(sodium chloride
NaCl solution)
IEC/EN 60068-2-52
Concentration:
Duration:
Conditions:
5% (30 °C)
2 h per cycle
40 °C, 93% rel. humidity
Converter
not
operating
Storage duration:
3 cycles of 22 h
Eb
Bump
(half-sinusoidal)
IEC/EN 60068-2-29
MIL-STD-810D sect. 516.3
Acceleration amplitude:
Bump duration:
25 g n = 245 m/s 2
11 ms
Converter
not operating ,
6000 bumps:
Acceleration amplitude:
Bump duration:
6000 bumps:
1000 in each direction
10 g n = 98.1 m/s 2
11 ms
1000 in each direction
wall-mounted 1
Converter
not operating ,
on DIN-rail 2
Fc
Vibration
(sinusoidal)
IEC/EN 60068-2-6
MIL-STD-810D sect. 514.3
Acceleration amplitude and
frequency (1 Octave/min):
0.35 mm (10 – 60 Hz)
5 g n = 49 m/s 2 (60 – 2000 Hz)
Converter
operating,
Test duration:
Acceleration amplitude and
frequency (1 Octave/min):
Test duration:
7.5 h (2.5 h each axis)
0.25 mm (10 – 60 Hz)
2 g n = 19 m/s 2 (60 – 2000 Hz)
7.5 h (2.5 h each axis)
wall-mounted 1
Converter
operating,
on DIN-rail 2
Ea
Shock
(half-sinusoidal)
IEC/EN 60068-2-27
MIL-STD-810D sect. 516.3
Acceleration amplitude:
Bump duration:
50 g n = 490 m/s 2
11 ms
Converter
not operating ,
Number of bumps:
18 (3 in each direction)
wall-mounted 1
--
Shock
EN 50155/EN 61373 3
sect. 10, class A and B
body mounted 4
Acceleration amplitude:
Bump duration:
Number of bumps:
5.1 g n
30 ms
18 (3 in each direction)
Converter
operating,
on DIN-rail 2
Fh
Random vibration
broad band,
digital control and
IEC/EN 60068-2-64
Acceleration spectral density: 0.05 g n2 /Hz
Frequency band: 8 – 500 Hz
Acceleration magnitude: 4.9 g n rms
Converter
operating,
wall-mounted 1
guidance
Test duration: 3 h (1 h each axis)
Fda Random vibration
wide band,
high reproducibility
IEC/EN 60068-2-35
Acceleration spectral density:
Frequency band:
Acceleration magnitude:
Test duration:
0.01 g n2 /Hz
20 – 500 Hz
2.2 g n rms
1.5 h (0.5 h each axis)
Converter
operating,
mounted on a
DIN-rail 2
--
Simulated long life
time testing at
increased random
vibration levels
EN 50155 /EN 61373 3
sect. 8 and 9, class B
body mounted 3
Acceleration spectral density:
Frequency band:
Acceleration magnitude:
Test duration:
0.01 g n2 /Hz
5 – 150 Hz
0.8 g n rms
1.5 h (0.5 h each axis)
Converter
operating,
mounted on a
DIN-rail 2
1
2
4
4
Wall-mounted with brackets UMB-W [HZZ00618]; see Accessories
Fastened on a DIN-rail with 2 additional DIN-rail fixing brackets DMB-EWG, see Accessories. This covers also wall-mounting with
brackets, because wall mounting performs better in vibration test.
EW models (railway standards)
Body mounted = chassis of a railway coach
Temperatures
Table 11: Temperature specifications, valid for an air pressure of 800 - 1200 hPa (800 - 1200 mbar)
Model
LW models -6
EW models -0
Unit
Characteristics
Conditions
min
max
min
max
T A
T C
T S
Ambient temperature
Case temperature
Storage temperature
Converter
operating 1
Not operating
–40
–40
–40
60
90 2
100
–40
–40
–40
70 3
90 3
100
°C
1
2
3
See Thermal Considerations
See table 5 P o derating
Mounted in vertical position
BCD20020-G Rev AC, 31-Jan-2013
Page 16 of 25
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