PM856K01
PM856K01
过载保护功能。当电气火灾自动保护型断路器所控制的线路负荷超过额定值,发生超载时,断路器将适时自动分断,切断受控线路的电流。防止因其发热而引起线路火灾。
短路保护功能。当电气火灾自动保护断路器所控制的线路发生意外短路事故,该断路器将在0.2s时间内分断,切断受控线路的电源,防止短路事故引发火灾事故。
剩余电流保护功能。当受控线路或用电设备发生绝缘损坏,产生对地故障或有人员发生单相电击事故(注:相间漏电和电击不能保护)时,电气火灾自动保护功能型断路器自动切断受控线路电源,避免对人身生命造成危害,并防止此类剩余电流引起电气火灾的可能性。
3.3适用场所
电气火灾自动保护型断路器根据其使用类别、使用方式、所控制线路的相数以及被控制对象、性质分别按如下情况进行分类。
厦门仲鑫达自动化设备有限公司
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