Datasheet

Page9
5.0 Regulatory Compliance
5.1 Safety Requirements
-IEC 950
-TUV EN 60950
-NEMKO + CB REPOR
-CUL
5.2 Dielectric Strength
Primary to Frame Ground: 1800 Vac for 1 sec.
Primary to Secondary: 1800 Vac for 1 sec.
5.3 Insulation Resistance
Primary to Secondary: 20 Meg. ohms minimum.
Primary to FRAME GROUND: 20 Meg. ohms minimum.
5.4 Ground Leakage Current
The power supply ground leakage current shall be less than 3.5mA.
5.5 Emission Requirements
The power supply shall comply with CISPR 22, Class B, for both conducted and
radiated emissions with a 3dB margin..
6.0 Other Requirements
6.1 Input Connections
Refer to Mechanical Specifications for placement.
The AC mains input are through a three-circuit IEC type connector mounted on
the rear of the power supply chassis.
6.2 Reliability
The power supply reliability, when calculated by “Bellcore” latest revision are
exceed 100,000 hours with all output at maximum load and an ambient temperature
of 25℃.
The special requirement is for cooling fan that MTTF be guarantee over 30,000
hours at 25℃ ambient temperature.