西門子3UG4617-1CR20繼電器監控繼電器廈門彬碩-蔡開佳全新原裝3UG低價供應-電話：蔡開佳0592-5588150/18050007596QQ2834825372西門子控制繼電器3UG說明:3UG型監測繼電器：用于監測單相線路或者電池供電的欠電壓或者過電壓既可以使用單獨的輔助電壓供電，又可以自供電對于內部供電的設備來說，無需輔助電源無需由外部供電的設備加載測量信號由于對于每臺設備均具有多量程功能以及多種測量范圍，可將偏差降至最小可任意設定延時時間和復位功能參數可顯示實際電壓值和故障類型感謝您關注我們的產品，若您希望獲得進一步的了解，如西門子控制繼電器
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