新疆批發(fā)shinhwa optron繼電器SHAP-2115A,15A,75~250VAC中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-DGO-U,SHN-DSC-DGO-V,SHN-DSC-DGO-W,SHN-DSC-DGO-X,SHN-DSC-DGO-Y,SHN-DSC-DGO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-DHO-U,SHN-DSC-DHO-V,SHN-DSC-DHO-W,SHN-DSC-DHO-X,SHN-DSC-DHO-Y,SHN-DSC-DHO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-DIO-U,SHN-DSC-DIO-V,SHN-DSC-DIO-W,SHN-DSC-DIO-X,SHN-DSC-DIO-Y,SHN-DSC-DIO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-EAO-U,SHN-DSC-EAO-V,SHN-DSC-EAO-W,SHN-DSC-EAO-X,SHN-DSC-EAO-Y,SHN-DSC-EAO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-EBO-U,SHN-DSC-EBO-V,SHN-DSC-EBO-W,SHN-DSC-EBO-X,SHN-DSC-EBO-Y,SHN-DSC-EBO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-ECO-U,SHN-DSC-ECO-V,SHN-DSC-ECO-W,SHN-DSC-ECO-X,SHN-DSC-ECO-Y,SHN-DSC-ECO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-EDO-U,SHN-DSC-EDO-V,SHN-DSC-EDO-W,SHN-DSC-EDO-X,SHN-DSC-EDO-Y,SHN-DSC-EDO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-EEO-U,SHN-DSC-EEO-V,SHN-DSC-EEO-W,SHN-DSC-EEO-X,SHN-DSC-EEO-Y,SHN-DSC-EEO-Z 即速度絲批準由國家和標準機構制造商/產品編號/系列中斷能力作用一百多年前由愛迪明的絲用于保護當時昂貴的白熾燈，隨著時代的發(fā)展，絲保護電子/電力設備不受過電流/過熱的傷害，避免電子設備因內部故障所引起的嚴重傷害。工作原理當電流流過導體時，因導體存在一定的電阻，所以導體將會發(fā)熱。且發(fā)熱量遵循著這個公式：Q=0.24I2RT；其中Q是發(fā)熱量，0.24是一個常數，I是流過導體的電流，R是導體的電阻，T是電流流過導體的時間；依此公式我們不難看出絲的簡單的工作原理了。一種絲一種絲當制作絲的材料及其形狀確定了，其電阻R就相對確定了（若不考慮它的電阻溫度系數）。當電流流過它時，它就會發(fā)熱，隨著時間的增加其發(fā)熱量也在增加。
新疆批發(fā)shinhwa optron繼電器SHAP-2115A,15A,75~250VAC
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-EFO-U,SHN-DSC-EFO-V,SHN-DSC-EFO-W,SHN-DSC-EFO-X,SHN-DSC-EFO-Y,SHN-DSC-EFO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-EGO-U,SHN-DSC-EGO-V,SHN-DSC-EGO-W,SHN-DSC-EGO-X,SHN-DSC-EGO-Y,SHN-DSC-EGO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-EHO-U,SHN-DSC-EHO-V,SHN-DSC-EHO-W,SHN-DSC-EHO-X,SHN-DSC-EHO-Y,SHN-DSC-EHO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-EIO-U,SHN-DSC-EIO-V,SHN-DSC-EIO-W,SHN-DSC-EIO-X,SHN-DSC-EIO-Y,SHN-DSC-EIO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-FAO-U,SHN-DSC-FAO-V,SHN-DSC-FAO-W,SHN-DSC-FAO-X,SHN-DSC-FAO-Y,SHN-DSC-FAO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-FBO-U,SHN-DSC-FBO-V,SHN-DSC-FBO-W,SHN-DSC-FBO-X,SHN-DSC-FBO-Y,SHN-DSC-FBO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-FCO-U,SHN-DSC-FCO-V,SHN-DSC-FCO-W,SHN-DSC-FCO-X,SHN-DSC-FCO-Y,SHN-DSC-FCO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-FDO-U,SHN-DSC-FDO-V,SHN-DSC-FDO-W,SHN-DSC-FDO-X,SHN-DSC-FDO-Y,SHN-DSC-FDO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-FEO-U,SHN-DSC-FEO-V,SHN-DSC-FEO-W,SHN-DSC-FEO-X,SHN-DSC-FEO-Y,SHN-DSC-FEO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-FFO-U,SHN-DSC-FFO-V,SHN-DSC-FFO-W,SHN-DSC-FFO-X,SHN-DSC-FFO-Y,SHN-DSC-FFO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-FGO-U,SHN-DSC-FGO-V,SHN-DSC-FGO-W,SHN-DSC-FGO-X,SHN-DSC-FGO-Y,SHN-DSC-FGO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-FHO-U,SHN-DSC-FHO-V,SHN-DSC-FHO-W,SHN-DSC-FHO-X,SHN-DSC-FHO-Y,SHN-DSC-FHO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-FIO-U,SHN-DSC-FIO-V,SHN-DSC-FIO-W,SHN-DSC-FIO-X,SHN-DSC-FIO-Y,SHN-DSC-FIO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-GAO-U,SHN-DSC-GAO-V,SHN-DSC-GAO-W,SHN-DSC-GAO-X,SHN-DSC-GAO-Y,SHN-DSC-GAO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-GBO-U,SHN-DSC-GBO-V,SHN-DSC-GBO-W,SHN-DSC-GBO-X,SHN-DSC-GBO-Y,SHN-DSC-GBO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-GCO-U,SHN-DSC-GCO-V,SHN-DSC-GCO-W,SHN-DSC-GCO-X,SHN-DSC-GCO-Y,SHN-DSC-GCO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-GDO-U,SHN-DSC-GDO-V,SHN-DSC-GDO-W,SHN-DSC-GDO-X,SHN-DSC-GDO-Y,SHN-DSC-GDO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-GEO-U,SHN-DSC-GEO-V,SHN-DSC-GEO-W,SHN-DSC-GEO-X,SHN-DSC-GEO-Y,SHN-DSC-GEO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-GFO-U,SHN-DSC-GFO-V,SHN-DSC-GFO-W,SHN-DSC-GFO-X,SHN-DSC-GFO-Y,SHN-DSC-GFO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-GGO-U,SHN-DSC-GGO-V,SHN-DSC-GGO-W,SHN-DSC-GGO-X,SHN-DSC-GGO-Y,SHN-DSC-GGO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-GHO-U,SHN-DSC-GHO-V,SHN-DSC-GHO-W,SHN-DSC-GHO-X,SHN-DSC-GHO-Y,SHN-DSC-GHO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-GIO-U,SHN-DSC-GIO-V,SHN-DSC-GIO-W,SHN-DSC-GIO-X,SHN-DSC-GIO-Y,SHN-DSC-GIO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-HAO-U,SHN-DSC-HAO-V,SHN-DSC-HAO-W,SHN-DSC-HAO-X,SHN-DSC-HAO-Y,SHN-DSC-HAO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-HBO-U,SHN-DSC-HBO-V,SHN-DSC-HBO-W,SHN-DSC-HBO-X,SHN-DSC-HBO-Y,SHN-DSC-HBO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-HCO-U,SHN-DSC-HCO-V,SHN-DSC-HCO-W,SHN-DSC-HCO-X,SHN-DSC-HCO-Y,SHN-DSC-HCO-Z 低能耗、低污染的低碳經濟將是未來發(fā)展的必經之路。如今，正在堅定不移地推動低碳經濟，相關節(jié)能減排政策已密集出臺。這些舉措其實都是國內變頻器企業(yè)千載難逢的機遇，變頻器行業(yè)將迎來新一輪高速增長期。變頻器不僅要滿足國內市場的需求，還要出口的各地，在全球的節(jié)能減排中發(fā)揮作用。由于變頻器具有軟啟動器的所有功能，但它軟啟動器也只是一個過渡產品。軟啟動器是為了填補星-三角啟動器和變頻器在功能實用性和價格之間的鴻溝而研發(fā)的產品，因此說它是過渡產品。隨著變頻器成本的逐漸下降，軟啟動器的市場空間將越來越小。至于未來軟啟動器是否會完全消失，這還需要市場的進一步驗證。就目前情況而言，軟啟動器依然有自己的生存空間，在電機運行負載功率在80%以上時。
新疆批發(fā)shinhwa optron繼電器SHAP-2115A,15A,75~250VAC
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-HDO-U,SHN-DSC-HDO-V,SHN-DSC-HDO-W,SHN-DSC-HDO-X,SHN-DSC-HDO-Y,SHN-DSC-HDO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-HEO-U,SHN-DSC-HEO-V,SHN-DSC-HEO-W,SHN-DSC-HEO-X,SHN-DSC-HEO-Y,SHN-DSC-HEO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-HFO-U,SHN-DSC-HFO-V,SHN-DSC-HFO-W,SHN-DSC-HFO-X,SHN-DSC-HFO-Y,SHN-DSC-HFO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-HGO-U,SHN-DSC-HGO-V,SHN-DSC-HGO-W,SHN-DSC-HGO-X,SHN-DSC-HGO-Y,SHN-DSC-HGO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-HHO-U,SHN-DSC-HHO-V,SHN-DSC-HHO-W,SHN-DSC-HHO-X,SHN-DSC-HHO-Y,SHN-DSC-HHO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-HIO-U,SHN-DSC-HIO-V,SHN-DSC-HIO-W,SHN-DSC-HIO-X,SHN-DSC-HIO-Y,SHN-DSC-HIO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-IAO-U,SHN-DSC-IAO-V,SHN-DSC-IAO-W,SHN-DSC-IAO-X,SHN-DSC-IAO-Y,SHN-DSC-IAO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-IBO-U,SHN-DSC-IBO-V,SHN-DSC-IBO-W,SHN-DSC-IBO-X,SHN-DSC-IBO-Y,SHN-DSC-IBO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-ICO-U,SHN-DSC-ICO-V,SHN-DSC-ICO-W,SHN-DSC-ICO-X,SHN-DSC-ICO-Y,SHN-DSC-ICO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-IDO-U,SHN-DSC-IDO-V,SHN-DSC-IDO-W,SHN-DSC-IDO-X,SHN-DSC-IDO-Y,SHN-DSC-IDO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-IEO-U,SHN-DSC-IEO-V,SHN-DSC-IEO-W,SHN-DSC-IEO-X,SHN-DSC-IEO-Y,SHN-DSC-IEO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-IFO-U,SHN-DSC-IFO-V,SHN-DSC-IFO-W,SHN-DSC-IFO-X,SHN-DSC-IFO-Y,SHN-DSC-IFO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-IGO-U,SHN-DSC-IGO-V,SHN-DSC-IGO-W,SHN-DSC-IGO-X,SHN-DSC-IGO-Y,SHN-DSC-IGO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-IHO-U,SHN-DSC-IHO-V,SHN-DSC-IHO-W,SHN-DSC-IHO-X,SHN-DSC-IHO-Y,SHN-DSC-IHO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-DSC-IIO-U,SHN-DSC-IIO-V,SHN-DSC-IIO-W,SHN-DSC-IIO-X,SHN-DSC-IIO-Y,SHN-DSC-IIO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-AAO-U,SHN-RTD-AAO-V,SHN-RTD-AAO-W,SHN-RTD-AAO-X,SHN-RTD-AAO-Y,SHN-RTD-AAO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-ABO-U,SHN-RTD-ABO-V,SHN-RTD-ABO-W,SHN-RTD-ABO-X,SHN-RTD-ABO-Y,SHN-RTD-ABO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-ACO-U,SHN-RTD-ACO-V,SHN-RTD-ACO-W,SHN-RTD-ACO-X,SHN-RTD-ACO-Y,SHN-RTD-ACO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-ADO-U,SHN-RTD-ADO-V,SHN-RTD-ADO-W,SHN-RTD-ADO-X,SHN-RTD-ADO-Y,SHN-RTD-ADO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-AEO-U,SHN-RTD-AEO-V,SHN-RTD-AEO-W,SHN-RTD-AEO-X,SHN-RTD-AEO-Y,SHN-RTD-AEO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-AFO-U,SHN-RTD-AFO-V,SHN-RTD-AFO-W,SHN-RTD-AFO-X,SHN-RTD-AFO-Y,SHN-RTD-AFO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-AGO-U,SHN-RTD-AGO-V,SHN-RTD-AGO-W,SHN-RTD-AGO-X,SHN-RTD-AGO-Y,SHN-RTD-AGO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-AHO-U,SHN-RTD-AHO-V,SHN-RTD-AHO-W,SHN-RTD-AHO-X,SHN-RTD-AHO-Y,SHN-RTD-AHO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-AIO-U,SHN-RTD-AIO-V,SHN-RTD-AIO-W,SHN-RTD-AIO-X,SHN-RTD-AIO-Y,SHN-RTD-AIO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-BAO-U,SHN-RTD-BAO-V,SHN-RTD-BAO-W,SHN-RTD-BAO-X,SHN-RTD-BAO-Y,SHN-RTD-BAO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-BBO-U,SHN-RTD-BBO-V,SHN-RTD-BBO-W,SHN-RTD-BBO-X,SHN-RTD-BBO-Y,SHN-RTD-BBO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-BCO-U,SHN-RTD-BCO-V,SHN-RTD-BCO-W,SHN-RTD-BCO-X,SHN-RTD-BCO-Y,SHN-RTD-BCO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-BDO-U,SHN-RTD-BDO-V,SHN-RTD-BDO-W,SHN-RTD-BDO-X,SHN-RTD-BDO-Y,SHN-RTD-BDO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-BEO-U,SHN-RTD-BEO-V,SHN-RTD-BEO-W,SHN-RTD-BEO-X,SHN-RTD-BEO-Y,SHN-RTD-BEO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-BFO-U,SHN-RTD-BFO-V,SHN-RTD-BFO-W,SHN-RTD-BFO-X,SHN-RTD-BFO-Y,SHN-RTD-BFO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-BGO-U,SHN-RTD-BGO-V,SHN-RTD-BGO-W,SHN-RTD-BGO-X,SHN-RTD-BGO-Y,SHN-RTD-BGO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-BHO-U,SHN-RTD-BHO-V,SHN-RTD-BHO-W,SHN-RTD-BHO-X,SHN-RTD-BHO-Y,SHN-RTD-BHO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-BIO-U,SHN-RTD-BIO-V,SHN-RTD-BIO-W,SHN-RTD-BIO-X,SHN-RTD-BIO-Y,SHN-RTD-BIO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-CAO-U,SHN-RTD-CAO-V,SHN-RTD-CAO-W,SHN-RTD-CAO-X,SHN-RTD-CAO-Y,SHN-RTD-CAO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-CBO-U,SHN-RTD-CBO-V,SHN-RTD-CBO-W,SHN-RTD-CBO-X,SHN-RTD-CBO-Y,SHN-RTD-CBO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-CCO-U,SHN-RTD-CCO-V,SHN-RTD-CCO-W,SHN-RTD-CCO-X,SHN-RTD-CCO-Y,SHN-RTD-CCO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-CDO-U,SHN-RTD-CDO-V,SHN-RTD-CDO-W,SHN-RTD-CDO-X,SHN-RTD-CDO-Y,SHN-RTD-CDO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-CEO-U,SHN-RTD-CEO-V,SHN-RTD-CEO-W,SHN-RTD-CEO-X,SHN-RTD-CEO-Y,SHN-RTD-CEO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-CFO-U,SHN-RTD-CFO-V,SHN-RTD-CFO-W,SHN-RTD-CFO-X,SHN-RTD-CFO-Y,SHN-RTD-CFO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-CGO-U,SHN-RTD-CGO-V,SHN-RTD-CGO-W,SHN-RTD-CGO-X,SHN-RTD-CGO-Y,SHN-RTD-CGO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-CHO-U,SHN-RTD-CHO-V,SHN-RTD-CHO-W,SHN-RTD-CHO-X,SHN-RTD-CHO-Y,SHN-RTD-CHO-Z 維修中需要注意一下幾點拆卸、調整儀表時，應記錄原來的位置，以便復原。在潮濕環(huán)境下檢修無紙記錄儀故障時，對印刷線路用萬用表測其各點是否通暢很有必要，因為這種情況下的主要故障是銅箔腐蝕。用萬用表歐姆擋時，切記不要帶電測量。修理精密無紙記錄儀時，如不慎將小零件彈飛，可采取磁鐵掃描和視線掃描方法進行尋找。檢測電源中的濾波電容時，應先將電解電容器的正負極短路一下，而且短路時不要用表筆線來代替導線對電容器進行放電，因為這樣容易燒斷芯線?？梢匀∫恢粠纛^引線的220V，60～100W的燈，接于電容器的兩端，在放電瞬間燈泡會閃光。檢修無紙記錄儀內部電路時，如果安裝元件的接點和電路板上涂了絕緣清漆。
新疆批發(fā)shinhwa optron繼電器SHAP-2115A,15A,75~250VAC
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-CIO-U,SHN-RTD-CIO-V,SHN-RTD-CIO-W,SHN-RTD-CIO-X,SHN-RTD-CIO-Y,SHN-RTD-CIO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-DAO-U,SHN-RTD-DAO-V,SHN-RTD-DAO-W,SHN-RTD-DAO-X,SHN-RTD-DAO-Y,SHN-RTD-DAO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-DBO-U,SHN-RTD-DBO-V,SHN-RTD-DBO-W,SHN-RTD-DBO-X,SHN-RTD-DBO-Y,SHN-RTD-DBO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-DCO-U,SHN-RTD-DCO-V,SHN-RTD-DCO-W,SHN-RTD-DCO-X,SHN-RTD-DCO-Y,SHN-RTD-DCO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-DDO-U,SHN-RTD-DDO-V,SHN-RTD-DDO-W,SHN-RTD-DDO-X,SHN-RTD-DDO-Y,SHN-RTD-DDO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-DEO-U,SHN-RTD-DEO-V,SHN-RTD-DEO-W,SHN-RTD-DEO-X,SHN-RTD-DEO-Y,SHN-RTD-DEO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-DFO-U,SHN-RTD-DFO-V,SHN-RTD-DFO-W,SHN-RTD-DFO-X,SHN-RTD-DFO-Y,SHN-RTD-DFO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-DGO-U,SHN-RTD-DGO-V,SHN-RTD-DGO-W,SHN-RTD-DGO-X,SHN-RTD-DGO-Y,SHN-RTD-DGO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-DHO-U,SHN-RTD-DHO-V,SHN-RTD-DHO-W,SHN-RTD-DHO-X,SHN-RTD-DHO-Y,SHN-RTD-DHO-Z
中山立訊電氣直銷SHINHO星河信號變送器SHN-RTD-DIO-U,SHN-RTD-DIO-V,SHN-RTD-DIO-W,SHN-RTD-DIO-X,SHN-RTD-DIO-Y,SHN-RTD-DIO-Z
中山立訊電氣直銷SHINHO星河信號變送器SPN-DSC-AA,SPN-DSC-AB,SPN-DSC-AC,SPN-DSC-AD,SPN-DSC-AE SPN-DSC-BA,SPN-DSC-BB,
中山立訊電氣直銷SHINHO星河信號變送器SPN-DSC-BC,SPN-DSC-BD,SPN-DSC-BE SPN-DSC-CA,SPN-DSC-CB,SPN-DSC-CC,SPN-DSC-CD
中山立訊電氣直銷SHINHO星河信號變送器SPN-DSC-DA,SPN-DSC-DB,SPN-DSC-DC,SPN-DSC-DD,SPN-DSC-DE,SPN-DSC-CE,SPN-DSC-IE
中山立訊電氣直銷SHINHO星河信號變送器SPN-DSC-EA,SPN-DSC-EB,SPN-DSC-EC,SPN-DSC-ED,SPN-DSC-EE,SPN-DSC-IC,SPN-DSC-ID
中山立訊電氣直銷SHINHO星河信號變送器SPN-DSC-FA,SPN-DSC-FB,SPN-DSC-FC,SPN-DSC-FD,SPN-DSC-FE SPN-DSC-IA,SPN-DSC-IB
中山立訊電氣直銷SHINHO星河信號變送器SPN-DSC-GA,SPN-DSC-GB,SPN-DSC-GC,SPN-DSC-GD,SPN-DSC-GE SHN-LCT-AAO-W
中山立訊電氣直銷SHINHO星河信號變送器SPN-DSC-HA,SPN-DSC-HB,SPN-DSC-HC,SPN-DSC-HD,SPN-DSC-HE SHN-LCT-AAO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-AAO-V,SHN-LCT-AAO-X,SHN-LCT-AAO-Y,SHN-LCT-AAO-Z,SHN-LCT-ABO-W,SHN-LCT-ABO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-ABO-V,SHN-LCT-ABO-X,SHN-LCT-ABO-Y,SHN-LCT-ABO-Z,SHN-LCT-ACO-W,SHN-LCT-ACO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-ACO-V,SHN-LCT-ACO-X,SHN-LCT-ACO-Y,SHN-LCT-ACO-Z,SHN-LCT-ADO-W,SHN-LCT-ADO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-ADO-V,SHN-LCT-ADO-X,SHN-LCT-ADO-Y,SHN-LCT-ADO-Z,SHN-LCT-AEO-W,SHN-LCT-AEO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-AEO-V,SHN-LCT-AEO-X,SHN-LCT-AEO-Y,SHN-LCT-AEO-Z,SHN-LCT-AFO-W,SHN-LCT-AFO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-AFO-V,SHN-LCT-AFO-X,SHN-LCT-AFO-Y,SHN-LCT-AFO-Z,SHN-LCT-AGO-W,SHN-LCT-AGO-U 此外回路損耗也使諧振過電壓受到阻尼和限制。當回路電阻大于一定的數值時，就不會出現強烈的鐵磁諧振過電壓。3）串聯諧振電路來說，產生鐵磁諧振過電壓的的必要條件是ω0=1/L0C<；因此鐵磁諧振可在很大的范圍內發(fā)生。4）維持諧振振蕩和抵償回路電阻損耗的能量均由工頻電源供給。為使工頻能量轉化為其它諧振頻率的能量，其轉化過程必須是周期性且有節(jié)律的，即…1/2(1，3…）倍頻率的諧振。5）鐵磁諧振對PT的損壞。電磁諧振（分頻）一般應具備如下三個條件。①鐵磁式電壓互感器（PT）的非線性效應是產生鐵磁諧振的主要原因。②PT感抗為容抗的100倍以內，即參數匹配在諧振范圍。③要有激發(fā)條件，如PT突然合閘、單相接地突然消失、外界對系統(tǒng)的干擾或系統(tǒng)操作產生的過電壓等。
新疆批發(fā)shinhwa optron繼電器SHAP-2115A,15A,75~250VAC
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-AGO-V,SHN-LCT-AGO-X,SHN-LCT-AGO-Y,SHN-LCT-AGO-Z,SHN-LCT-AHO-W,SHN-LCT-AHO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-AHO-V,SHN-LCT-AHO-X,SHN-LCT-AHO-Y,SHN-LCT-AHO-Z,SHN-LCT-AIO-W,SHN-LCT-AIO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-AIO-V,SHN-LCT-AIO-X,SHN-LCT-AIO-Y,SHN-LCT-AIO-Z,SHN-LCT-BAO-W,SHN-LCT-BAO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-BAO-V,SHN-LCT-BAO-X,SHN-LCT-BAO-Y,SHN-LCT-BAO-Z,SHN-LCT-BBO-W,SHN-LCT-BBO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-BBO-V,SHN-LCT-BBO-X,SHN-LCT-BBO-Y,SHN-LCT-BBO-Z,SHN-LCT-BCO-W,SHN-LCT-BCO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-BCO-V,SHN-LCT-BCO-X,SHN-LCT-BCO-Y,SHN-LCT-BCO-Z,SHN-LCT-BDO-W,SHN-LCT-BDO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-BDO-V,SHN-LCT-BDO-X,SHN-LCT-BDO-Y,SHN-LCT-BDO-Z,SHN-LCT-BEO-W,SHN-LCT-BEO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-BEO-V,SHN-LCT-BEO-X,SHN-LCT-BEO-Y,SHN-LCT-BEO-Z,SHN-LCT-BFO-W,SHN-LCT-BFO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-BFO-V,SHN-LCT-BFO-X,SHN-LCT-BFO-Y,SHN-LCT-BFO-Z,SHN-LCT-BGO-W,SHN-LCT-BGO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-BGO-V,SHN-LCT-BGO-X,SHN-LCT-BGO-Y,SHN-LCT-BGO-Z,SHN-LCT-BHO-W,SHN-LCT-BHO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-BHO-V,SHN-LCT-BHO-X,SHN-LCT-BHO-Y,SHN-LCT-BHO-Z,SHN-LCT-BIO-W,SHN-LCT-BIO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-BIO-V,SHN-LCT-BIO-X,SHN-LCT-BIO-Y,SHN-LCT-BIO-Z,SHN-LCT-CAO-W,SHN-LCT-CAO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-CAO-V,SHN-LCT-CAO-X,SHN-LCT-CAO-Y,SHN-LCT-CAO-Z,SHN-LCT-CBO-W,SHN-LCT-CBO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-CBO-V,SHN-LCT-CBO-X,SHN-LCT-CBO-Y,SHN-LCT-CBO-Z,SHN-LCT-CCO-W,SHN-LCT-CCO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-CCO-V,SHN-LCT-CCO-X,SHN-LCT-CCO-Y,SHN-LCT-CCO-Z,SHN-LCT-CDO-W,SHN-LCT-CDO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-CDO-V,SHN-LCT-CDO-X,SHN-LCT-CDO-Y,SHN-LCT-CDO-Z,SHN-LCT-CEO-W,SHN-LCT-CEO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-CEO-V,SHN-LCT-CEO-XSHN-LCT-CEO-Y,SHN-LCT-CEO-Z,SHN-LCT-CFO-W,SHN-LCT-CFO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-CFO-V,SHN-LCT-CFO-XSHN-LCT-CFO-Y,SHN-LCT-CFO-Z,SHN-LCT-CGO-W,SHN-LCT-CGO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-CGO-V,SHN-LCT-CGO-XSHN-LCT-CGO-Y,SHN-LCT-CGO-Z,SHN-LCT-CHO-W,SHN-LCT-CHO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-CHO-V,SHN-LCT-CHO-XSHN-LCT-CHO-Y,SHN-LCT-CHO-Z,SHN-LCT-CIO-W,SHN-LCT-CIO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-CIO-V,SHN-LCT-CIO-XSHN-LCT-CIO-Y,SHN-LCT-CIO-Z,SHN-LCT-DAO-W,SHN-LCT-DAO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-DAO-V,SHN-LCT-DAO-XSHN-LCT-DAO-Y,SHN-LCT-DAO-Z,SHN-LCT-DBO-W,SHN-LCT-DBO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-DBO-V,SHN-LCT-DBO-XSHN-LCT-DBO-Y,SHN-LCT-DBO-Z,SHN-LCT-DCO-W,SHN-LCT-DCO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-DCO-V,SHN-LCT-DCO-XSHN-LCT-DCO-Y,SHN-LCT-DCO-Z,SHN-LCT-DDO-W,SHN-LCT-DDO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-DDO-V,SHN-LCT-DDO-XSHN-LCT-DDO-Y,SHN-LCT-DDO-Z,SHN-LCT-DEO-W,SHN-LCT-DEO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-DEO-V,SHN-LCT-DEO-XSHN-LCT-DEO-Y,SHN-LCT-DEO-Z,SHN-LCT-DFO-W,SHN-LCT-DFO-U 開關變壓器起到功率傳遞、電壓/電流變換的作用。開關變壓器為降壓變壓器。開關電源的特點如下：1)開關電源的振蕩和調壓方式是利用改變脈沖寬度或周期來調整輸出電壓的，稱為時間比例控制，又分為PWM(調寬)和PFM(調頻)兩種控制方式。2)從電路的能量轉換特性看，可分為正激和反激兩種工作方式。開關管飽和導通時，二次繞組連接的整流器受反偏壓而截止，開關變壓器的一次繞組流入電流而儲能〈電磁轉換）。開關管截止時，二次繞組經負載電路釋放電能（磁電轉換)。正激方式則與此相反，實際應用不多。3)從開關變壓器的一次電路結構來看，有分立元件構成的和集成振蕩芯片構成的兩種電路形式。因而從振蕩信號的來源看，又分為自激（分立零件）和他激式（IC電路）開關電源。
新疆批發(fā)shinhwa optron繼電器SHAP-2115A,15A,75~250VAC
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-DFO-V,SHN-LCT-DFO-XSHN-LCT-DFO-Y,SHN-LCT-DFO-Z,SHN-LCT-DGO-W,SHN-LCT-DGO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-DGO-V,SHN-LCT-DGO-XSHN-LCT-DGO-Y,SHN-LCT-DGO-Z,SHN-LCT-DHO-W,SHN-LCT-DHO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-DHO-V,SHN-LCT-DHO-XSHN-LCT-DHO-Y,SHN-LCT-DHO-Z,SHN-LCT-DIO-W,SHN-LCT-DIO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-DIO-V,SHN-LCT-DIO-XSHN-LCT-DIO-Y,SHN-LCT-DIO-Z,SHN-LCT-EAO-W,SHN-LCT-EAO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-EAO-V,SHN-LCT-EAO-XSHN-LCT-EAO-Y,SHN-LCT-EAO-Z,SHN-LCT-EBO-W,SHN-LCT-EBO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-EBO-V,SHN-LCT-EBO-XSHN-LCT-EBO-Y,SHN-LCT-EBO-Z,SHN-LCT-ECO-W,SHN-LCT-ECO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-ECO-V,SHN-LCT-ECO-XSHN-LCT-ECO-Y,SHN-LCT-ECO-Z,SHN-LCT-EDO-W,SHN-LCT-EDO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-EDO-V,SHN-LCT-EDO-XSHN-LCT-EDO-Y,SHN-LCT-EDO-Z,SHN-LCT-EEO-W,SHN-LCT-EEO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-EEO-V,SHN-LCT-EEO-XSHN-LCT-EEO-Y,SHN-LCT-EEO-Z,SHN-LCT-EFO-W,SHN-LCT-EFO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-EFO-V,SHN-LCT-EFO-XSHN-LCT-EFO-Y,SHN-LCT-EFO-Z,SHN-LCT-EGO-W,SHN-LCT-EGO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-EGO-V,SHN-LCT-EGO-XSHN-LCT-EGO-Y,SHN-LCT-EGO-Z,SHN-LCT-EHO-W,SHN-LCT-EHO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-EHO-V,SHN-LCT-EHO-XSHN-LCT-EHO-Y,SHN-LCT-EHO-Z,SHN-LCT-EIO-W,SHN-LCT-EIO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-EIO-V,SHN-LCT-EIO-XSHN-LCT-EIO-Y,SHN-LCT-EIO-Z,SHN-LCT-FAO-W,SHN-LCT-FAO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FAO-V,SHN-LCT-FAO-XSHN-LCT-FAO-Y,SHN-LCT-FAO-Z,SHN-LCT-FBO-W,SHN-LCT-FBO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FBO-V,SHN-LCT-FBO-XSHN-LCT-FBO-Y,SHN-LCT-FBO-Z,SHN-LCT-FCO-W,SHN-LCT-FCO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FCO-V,SHN-LCT-FCO-XSHN-LCT-FCO-Y,SHN-LCT-FCO-Z,SHN-LCT-FDO-W,SHN-LCT-FDO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FDO-V,SHN-LCT-FDO-XSHN-LCT-FDO-Y,SHN-LCT-FDO-Z,SHN-LCT-FEO-W,SHN-LCT-FEO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FEO-V,SHN-LCT-FEO-XSHN-LCT-FEO-Y,SHN-LCT-FEO-Z,SHN-LCT-FFO-W,SHN-LCT-FFO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FFO-V,SHN-LCT-FFO-XSHN-LCT-FFO-Y,SHN-LCT-FFO-Z,SHN-LCT-FGO-W,SHN-LCT-FGO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FGO-V,SHN-LCT-FGO-XSHN-LCT-FGO-Y,SHN-LCT-FGO-Z,SHN-LCT-FHO-W,SHN-LCT-FHO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FHO-V,SHN-LCT-FHO-XSHN-LCT-FHO-Y,SHN-LCT-FHO-Z,SHN-LCT-FIO-W,SHN-LCT-FIO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FIO-V,SHN-LCT-FIO-XSHN-LCT-FIO-Y,SHN-LCT-FIO-Z,SHN-LCT-FAO-W,SHN-LCT-FAO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FAO-V,SHN-LCT-FAO-XSHN-LCT-FAO-Y,SHN-LCT-FAO-Z,SHN-LCT-FBO-W,SHN-LCT-FBO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FBO-V,SHN-LCT-FBO-XSHN-LCT-FBO-Y,SHN-LCT-FBO-Z,SHN-LCT-FCO-W,SHN-LCT-FCO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FCO-V,SHN-LCT-FCO-XSHN-LCT-FCO-Y,SHN-LCT-FCO-Z,SHN-LCT-FDO-W,SHN-LCT-FDO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FDO-V,SHN-LCT-FDO-XSHN-LCT-FDO-Y,SHN-LCT-FDO-Z,SHN-LCT-FEO-W,SHN-LCT-FEO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FEO-V,SHN-LCT-FEO-XSHN-LCT-FEO-Y,SHN-LCT-FEO-Z,SHN-LCT-FFO-W,SHN-LCT-FFO-U 改變Ugs的大小，主電路的漏極電流Id也跟著改變。由于G、S間的輸入阻抗很大，故控制電流幾乎為0，所需驅動功率很小。和GTR相比，其驅動系統(tǒng)比較簡單，工作頻率也比較高。此外，MOSFET還具有熱穩(wěn)定性好、工作區(qū)大等優(yōu)點。但是，功率場效應晶體管在提高擊穿電壓和增大電流方面進展較慢，故在變頻器中的應用尚不能居主導地位。絕緣柵雙極晶體管（IGBT）IGBT是MOSFET和GTR相結合的產物，是柵極為絕緣柵結構（MOS結構）的晶體管，它的三個極分別是集電極C、發(fā)射極E和柵極G。工作特點是，控制部分與場效應晶體管相同，控制信號為電壓信號Uge,輸入阻抗很高，柵極電流I≈0，故驅動功率很小。而起主電路部分則與GTR相同。
新疆批發(fā)shinhwa optron繼電器SHAP-2115A,15A,75~250VAC
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FFO-V,SHN-LCT-FFO-XSHN-LCT-FFO-Y,SHN-LCT-FFO-Z,SHN-LCT-FGO-W,SHN-LCT-FGO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FGO-V,SHN-LCT-FGO-XSHN-LCT-FGO-Y,SHN-LCT-FGO-Z,SHN-LCT-FHO-W,SHN-LCT-FHO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FHO-V,SHN-LCT-FHO-XSHN-LCT-FHO-Y,SHN-LCT-FHO-Z,SHN-LCT-FIO-W,SHN-LCT-FIO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-FIO-V,SHN-LCT-FIO-XSHN-LCT-FIO-Y,SHN-LCT-FIO-Z,SHN-LCT-GAO-W,SHN-LCT-GAO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-GAO-V,SHN-LCT-GAO-XSHN-LCT-GAO-Y,SHN-LCT-GAO-Z,SHN-LCT-GBO-W,SHN-LCT-GBO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-GBO-V,SHN-LCT-GBO-XSHN-LCT-GBO-Y,SHN-LCT-GBO-Z,SHN-LCT-GCO-W,SHN-LCT-GCO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-GCO-V,SHN-LCT-GCO-XSHN-LCT-GCO-Y,SHN-LCT-GCO-Z,SHN-LCT-GDO-W,SHN-LCT-GDO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-GDO-V,SHN-LCT-GDO-XSHN-LCT-GDO-Y,SHN-LCT-GDO-Z,SHN-LCT-GEO-W,SHN-LCT-GEO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-GEO-V,SHN-LCT-GEO-XSHN-LCT-GEO-Y,SHN-LCT-GEO-Z,SHN-LCT-GFO-W,SHN-LCT-GFO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-GFO-V,SHN-LCT-GFO-XSHN-LCT-GFO-Y,SHN-LCT-GFO-Z,SHN-LCT-GGO-W,SHN-LCT-GGO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-GGO-V,SHN-LCT-GGO-XSHN-LCT-GGO-Y,SHN-LCT-GGO-Z,SHN-LCT-GHO-W,SHN-LCT-GHO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-GHO-V,SHN-LCT-GHO-XSHN-LCT-GHO-Y,SHN-LCT-GHO-Z,SHN-LCT-GIO-W,SHN-LCT-GIO-U
中山立訊電氣直銷SHINHO星河信號變送器SHN-LCT-GIO-V SHN-LCT-GIO-X SHN-LCT-GIO-Y SHN-LCT-GIO-Z即上電試機。在上電前后必須注意以下幾點：上電之前，須確認輸入電壓是否有誤，將380V電源接入220V級變頻器之中會出現炸機（炸電容、壓敏電阻、模塊等）；檢查變頻器各接插口是否已正確連接，連接是否有松動，連接異常有時可能會導致變頻器出現故障，嚴重時會出炸機等情況；上電后檢測故障顯示內容，并初步斷定故障及原因；如未顯示故障，首先檢查參數是否有異常，并將參數復歸后，在空載（不接電機）情況下啟動變頻器，并測試U、V、W三相輸出電壓值。如出現缺相、三相不平衡等情況，則模塊或驅動板等有故障；在輸出電壓正常（無缺相、三相平衡）的情況下，負載測試，盡量是滿負載測試。[1]故障判斷整流模塊損壞通常是由于電網電壓或內部短路引起。
新疆批發(fā)shinhwa optron繼電器SHAP-2115A,15A,75~250VAC