BCD20021-G REV AB, 19-Jan-09

Page 13 of 22

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X Series Data Sheet

375, 500 Watt AC-DC and DC-DC DIN-Rail Converters

Immunity to Environmental Conditions

Table 9: Mechanical stress and climatic

Test method

Standard

Test conditions

Status

Cab Damp heat

IEC/EN 60068-2-78

Temperature:

Converter

steady state

MIL-STD-810D sect. 507.2

Relative humidity:

not

Duration:

56 days

operating

Kb

Salt mist, cyclic

IEC/EN 60068-2-52

Concentration:

5% (30 °C)

Converter

(sodium chloride

Duration:

2 h per cycle

not

NaCl solution)

Conditions:

40 °C, 93% rel. humidity

operating

Storage duration:

3 cycles of 22 h

E b

Bump

IEC/EN 60068-2-29

Acceleration amplitude:

Converter

(half-sinusoidal)

MIL-STD-810D sect. 516.3

Bump duration:

11 ms

not operating ,

6000 bumps:

1000 in each direction

Acceleration amplitude:

Converter

Bump duration:

11 ms

not operating ,

6000 bumps:

1000 in each direction

Fc

Vibration

IEC/EN 60068-2-6

Acceleration amplitude and

0.35 mm (10 – 60 Hz)

Converter

(sinusoidal)

MIL-STD-810D sect. 514.3

frequency (1 Octave/min):

operating,

Test duration:

7.5 h (2.5 h each axis)

Acceleration amplitude and

0.25 mm (10 – 60 Hz)

Converter

frequency (1 Octave/min):

operating,

Test duration:

7.5 h (2.5 h each axis)

E a

Shock

IEC /EN 60068-2-27

Acceleration amplitude:

Converter

(half-sinusoidal)

MIL-STD-810D sect. 516.3

Bump duration:

11 ms

not operating ,

Number of bumps:

18 (3 in each direction)

Fda Random vibration

IEC/EN 60068-2-35

Converter

wide band

Frequency band:

20 – 500 Hz

operating,

Reproducibility

Acceleration magnitude:

high

Test duration:

3 h (1 h each axis)

Converter

Frequency band:

20 – 500 Hz

operating,

Acceleration magnitude:

mounted on a

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.

Temperatures

Table 10: Temperature specifications, valid for an air pressure of 800 - 1200 hPa (800 - 1200 mbar)

Model

Standard models -6

Unit

Characteristics

Conditions

min

max

Ambient temperature

Converter

–40

60

° C

Case temperature

–40

Storage temperature

Not operating

–40

100

1

See Thermal Considerations

2

Table 12: MTBF

Values at specified

Model

Ground benign

Ground fixed

Ground mobile

Unit

case temperature

40 °C

40 °C

70 °C

50 °C

LXN1801-6

400 000

110 000

50 000

40 000

h

1

Calculated according to MIL-HDBK-217E, notice 2.

Failure Rates