MODEL NO.
PSM250-405
SPECIFICATION
REVISION
01
DATE
2005.03.14
REV: 01 PAGE. 10
The test should be within 15 min. and the PSU will be tested in a configuration representative of
the intended application with shipping cartons. The PSU must survive a 50 G force for duration of
20 ms in all 3 orthogonal planes from normal mounting points.
6. SAFETY AND EMC:
6.1. Safety ( design to meet below standard ) :
Safety Standard
CUL IEC60065
TUV / GS EN60065
Nemko
Demko
Fimko
Semko
PSE
CB
CCC
6.2. EMS:
Test item Test specification IEC Standard
ESD Contact 8 KV 61000-4-2
ESD Air 15 KV, Contact 8KV 61000-4-2
RS FR : 26 MHz ~ 1 GHz, Field / Strength : 3 V / M 61000-4-3
EFT 2 KV on AC power line 61000-4-4
SURGE 1 KV ( L – N ) & 2 KV ( L/N – PE ) / 1.2 ~ 50Usec. 61000-4-5
CS 3 V / M 61000-4-6
DIPS 0 % 250 Cy. / 40% 5 Cy. / 70% 5 Cy. 61000-4-11
6.3. Conducted EMI:
For 240 Vac input operation, the PSU must below the limit of CISPR 22, Class B for HF
equipment and DP equipment with a 3 dB margin. For 120 Vac input operation, the PSU must
below the limit of FCC part 15 sub-part B for Class B computing device with a 3 dB margin. For
100 Vac operation, the PSU must below the limit of VCCI by a 3 dB margin. Each conducted and
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