overload and overheat switch 中文意思是什麼
overload and overheat switch
解釋
過載過溫保護開關-
All the electric safe protection devices now being used function only one time protection when the equipment is out of order, i. e., they can ' t delay the on / off of 220v. once industrial equipment, household appliances and instruments and meters have troubles in mechanism or electronic elements because of overflow, overload, overheat or short circuit and furthermore, one time overheat switch can ' t start to function, there is no second protection device that will cut off the circuit timely, accurately and quickly, to protect the electric equipment
根據消防部門統計,我國目前電器引起火災屢見不鮮(見1999年8月31日上海文匯報第12版報導經消防部門統計,我國目前電器引發的火災,高居火災起因為第一位) ,如以相同用量相比,我國觸電導致死亡人數是發達國家幾十倍甚至上百倍,而且這類事故的發生很大程度是與劣質電器元件有關。
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