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3.5.3 No Load Operation
The power supply shall be turn on, and no damage or hazardous condition should occur
with all the DC output connectors disconnected from the load.
3.5.4 Over current Protection: **OPTIONAL
If any one output of +5Vdc, +12Vdc and +3.3Vdc is over current then maximum load,
the power supply is shut down by over current protection design, the output voltage shall
drop to 0V at +5Vdc, +12Vdc, +3.3Vdc, +5Vsb, -5Vdc and –12Vdc output, and no any
damage to the power supply.
3.5.5 Over load protection:
The total power output is limit at 105~150%.
3.5.6 Output Bypass
The output return is connected to the power supply chassis. The return will be connected
to the system chassis by the system components.
4. Mechanical requirement:
4.1 Label and marking:
The label must be follow safety ( UL, cUL, TUV, CE ) request.
4.2 Physical dimensions:
The supply shall be enclosed and meet the physical outline listed .
** MB600~1200VA, 200*100*125mm, 3U, PWCS18/19/40, fan6020*4 .
** MB600~1500VA, 300*100*120mm, 3U, PWCS57, fan8020/38+6020/38 .
4.3 Airflow / Fan
Airflow will be provided by fans of 60/80/92mm in each power module and fans out
the computer chassis.
4.4 Cable: following ATX/SSI/EPS specification.
5. Environment requirements:
5.1 Environment requirement:
Operating ambient temperature: 0 ~ 50
The power supply be capable of supplying full rated output power over two input voltages
ranges rated 115 Vac and 230Vac RMS nominal at 25 .
Nonoperating ambient temperature: -40 ~ +70
(Maximum rate of change of 20°C/hr.)
