聯(lián)系方式

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聯(lián)系人 小胡

如何使用戶的驅(qū)動電路與SSR的輸入特性相匹配

一般來講，SSR的輸入控制電壓為3.2—32V?？刂齐娏鳛?—30mA. 通常1—25A的SSR輸入回路不是恒流源電路，輸入控制電壓為4—16V?？刂齐娏鳛?—20mA.較大額定電流的SSR輸入電路均接有恒流源電路。輸入控制電壓在3.2—32V均可。在三相電路里，如果用戶將三個SSR的輸入端串聯(lián)的話，那么希望提供大于12V的控制電壓；如果將三個SSR的輸入端并聯(lián)使用的話，那么驅(qū)動電流要保證50mA。單個SSR使用，驅(qū)動電流不要設(shè)計在4—5mA 的臨界狀態(tài)下至少要大于6mA。

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