thermal relay

基本解釋

Inside is installed AC contactor, thermal relay, self-settable universal conversion switch.
內(nèi)裝交流接觸器，自復位萬能轉(zhuǎn)換開關或按鈕等。
Protection against motor over - load usually adopt thermal relay, but protection against line over - load usually adopt long delay over- current release of circuit- breaker.
電動機過載保護通常采用繼電器，而配電線路過載保護多采用斷路器的長延時過電流脫扣器來完成。
The article analyzes the operation character and the invalidation mode of thermal over-load relay and puts forward the reliability index and the calculation method of reliability characteristic.
分析了熱過載繼電器的工作特點及失效模式，提出了熱過載繼電器的可靠性指標與其可靠性特征量的計算方法，闡述了熱過載繼電器的可靠性試驗方法與可靠性試驗設備。