
belfuse.com/power-solutions
BCD20021-G Rev AF, 29 November 2021
Page 14 of 26
X Series
375, 500 Watt AC-DC and DC-DC DIN-Rail Converters
© 2021 Bel Power Solutions & Protection
Table 9: Harmonics and flicker
Phenomenon
Standards
Conditions
Results
Harmonics
EN 61000-3-2:2006
V
i
= 230 V,
V
o nom
,
I
o nom
Class A, D
Voltage fluctuation and flicker
EN 61000-3-3 + A2:2005
V
i
= 230 V,
V
o nom
,
I
o nom
Complied
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 section 507.2
Temperature:
40
±2
°C
Converter
not operating
Relative humidity:
93
+2/-3
%
Duration:
56 days
Kb
Salt mist, cyclic
(sodium chloride
NaCl solution)
IEC/EN 60068-2-52
Concentration:
5% (30 °C)
Converter
not operating
Duration:
2 h per cycle
Conditions:
40°C, 93% rel. humidity
Storage Duration:
3 cycles of 22 h
E b
Bump
(half-sinusoidal)
IEC/EN 60068-2-29
MIL-STD-810D sect. 516.3
Acceleration amplitude:
25 g
n
= 245 m/s
2
Converter
not operating,
wall mounted
1
Bump duration:
11 ms
6000 bumps:
1000 in each direction
Acceleration amplitude:
10 g
n
= 98.1 m/s
2
Converter
not operating,
on DIN-rail
2
Bump duration:
11 ms
6000 bumps:
1000 in each direction
Fc
Vibration
(sinusoidal)
IEC/EN 60068-2-6
MIL-STD-810D sect. 514.3
Acceleration amplitude:
0.35 mm (10 – 60 Hz)
Converter
operating,
wall mounted
1
Frequency (1 Oct/min):
5 g
n
= 49 m/s
2
(60 – 2000 Hz)
Test duration:
7.5 h (2.5 h each axis)
Acceleration amplitude:
0.25 mm (10 – 60 Hz)
Converter
operating,
on DIN-rail
2
Frequency (1 Oct/min):
2 g
n
= 19 m/s
2
(60 – 2000 Hz)
Test duration:
7.5 h (2.5 h each axis)
Ea
Shock
(half-sinusoidal)
IEC/EN 60068-2-27
MIL-STD-810D sect. 516.3
Acceleration amplitude:
50 g
n
= 490 m/s
2
Converter
not operating,
wall mounted
1
Bump duration:
11 ms
Number of bumps:
18 (3 in each direction)
Fh
Random vibration
broad band, digital
control & guidance
IEC/EN 60068-2-64
Acceleration spectral density:
0.05 g
n
2
/ Hz
Converter
operating,
wall mounted
1
Frequency band:
20 – 500 Hz
Acceleration magnitude:
4.9 g
n rms
Test duration:
3 h (1 h each axis)
Fda
Random vibration
wide band, high
reproducibility
IEC/EN 60068-2-35
Acceleration spectral density:
0.01 g
n
2
/ Hz
Converter
operating,
mounted on
DIN-rail
2
Frequency band:
20 – 500 Hz
Acceleration magnitude:
2.2 g
n rms
Test duration:
1.5 h (0.5 h each axis)
1
Wall-mounted with brackets UMB-W [HZZ00618]; see
Accessories
2
Fastened on a DIN-rail with 2 additional DIN-rail fixing brackets DMB-EWG; see
Accessories.
This also covers wall-mounting with brackets,
because wall mounting performs better in vibration test.