福州盈泰河南分公司

優勢品牌: ABB低壓.ABB中壓.魏德米勒、西門子低壓.西門子變頻器、施耐德ATV61/71系列變頻  施耐德ATS48軟啟動器  施耐德低壓  ABB變頻器、金鐘默勒MOELLER .美國AB. P+F..菲尼克斯電源等.

：

：小侯
                     
號：

：＠.com 
 
地址：鄭州市北環路與豐樂路交叉口中建大廈A座1803

品牌：西門子   型號：3UA熱繼電器

3UA 系列熱過載繼電器適用于交流50Hz/60Hz，電壓690V - 1000V，電流0.1 - 400A 的*工作或間斷*工作的一般交流電動機的過
載與斷相保護，也可用作直流電磁鐵和直流電動機的過載保護。
繼電器具有斷相保護，溫度補償，脫扣指示功能，并能自動與手動復位，動作可靠，符合IEC947 - 4, VDE0660, GB14048 等標準。
繼電器可與接觸器接插安裝，也可獨立安裝。
3UA 熱過載繼電器
工作條件
● 海拔高度不超過 2000 米；
● 周圍環境溫度：-25~+55°C
● 空氣相對濕度：+25°C時不超過90%;
結構特點
● 3UA 系列為雙金屬片式熱過載繼電器，脫扣等級為10A;
● 具有差動式斷相保護；
● 具有整定電流連續可調裝置；
● 具有溫度補償；
● 具有脫扣指示；
● 具有測試按鈕；
● 具有手動復位和自動復位按鈕；
● 具有在電氣上相互絕緣的一常開和一常閉觸頭；
● SIGUT- 西門子端接法，接線方便、牢固，接觸可靠性高，抗振性強，安全防護性好；
● 安裝方式：與接觸器接插安裝或獨立安裝。

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