300W 28V36V48V恒压工业开关电源 大功率开关电源 厂家批发直销

h02 300w开关电源  

h02 300w switching power supply

①高品质高性价比

   high high cost-effective

②高效环保

   high efficiency, environment-friendly

③过载短路保护

   overload short circuit protection

④自然风冷却

   ventilation cooling(230v)

⑤****负载老化

   **** load aging test

  * 外形尺寸dimension：

    h02 142*94*50mm      

 * 输入input voltage range：

    100-240vac；

 * 频率frequency range: 

    50-60hz

 * 耐压withstanding voltage：

    输入input-机壳case:1.5kvac 

 * 工作环境environmental re：

    -20-45℃，20%-90%rh

safety（安全规格） 

 power safety reference the following standards 

         电源安全性参考下列标准: 

1) *ul60950/ul60065 

2) *en60950/en60065 

3) *gb4943-

emc （电磁兼容性）

1.1 emi（电磁干扰） 

the power supply shall comply with the followingcriterion: 

电源电磁干扰满足下列标准： 

1) conduction emission :（传导干扰度） 

*en55013/en55022, class b 

*gb13837-2003, class b 

*cispr13:2001/fcc part15 class b

2) radiated emission :   （辐射干扰度） 

*en55013/en55022, class b 

*gb13837-2003, class b 

*cispr13:2001/fcc part15 class b 

note：the power board should be assembled in customer product totest for passing the above criterion.需配合用户电路整机通过上述标准。 

1.2 ems（电磁抗扰） 

the power supply shall comply with the followingcriterion: 

   电源电磁抗扰满足下列标准： 

1) esd（静电抗扰度） 

*gb/iec61000-4-2      lever 3 

2) eft（脉冲群抗扰度） 

 *gb/iec61000-4-4      lever 3 

3) surge  （雷击浪涌） 

 *gb/iec61000-4-5      lever 3 

 4） dip (电压跌落) 

 *gb/iec61000-4-11     classb/c