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明纬电源产品规格书上其输入端有AC输入或DC输入,有什么差异?

2020-11-05 18:29

a. 85~264VAC;120~370VDC

b.176~264VAC;250~370VDC

c.85~132VAC/176~264VAC 通过开关控制; 250~370VDC

产品规格书标示上述a、b项输入电源范围时,不论是送交流电或直流电其电源供应器均能正常作。但另需留意部份机型设计上直接电源输入正极(+)接AC/L,负极(-)接AC/N电源供应器才能开机;部份机型则是正极接AC/N,负极接AC/L才能开机,如果配线错误只是不开机,将其反接便能正常工作,而电源供应器不会有其他问题。

产品规格书标示为上述c项,必须将115/230V切换开关切至"230V"位置才能输入250~370VDC,如果切换开关位置在"115V"而送入250~370VDC则会造成电源供应器的损毁,务必留意。

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