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智能断路器选型
添加时间:2020/8/13 16:30:20     浏览次数:
智能断路器选型
Selection of intelligent circuit breaker
智能型万能式断路器用作电气设备或线路保护时,用户选型时主要有以下4点考虑:
When the intelligent universal circuit breaker is used as electrical equipment or line protection, the following four points should be considered when selecting the type of intelligent universal circuit breaker:
(1)选用断路器的额定电流大于或等于线路或电气设备的额定电流;
(1) The rated current of the selected circuit breaker is greater than or equal to the rated current of the line or electrical equipment;
(2)选用断路器的额定短路分断能力(电流)大于或等于线路的预期(最大)短路电流;
(2) The rated short-circuit breaking capacity (current) of the selected circuit breaker is greater than or equal to the expected (maximum) short-circuit current of the line;
(3)选用断路器的保护功能相对完善全面,能满足其工作场合的要求;
(3) The protection function of the circuit breaker is relatively perfect and comprehensive, which can meet the requirements of its working place;
(4)选用断路器的外形尺寸相对较小,节省空间, 智能断路器便于在同一柜内可安装多台断路器。
(4) The size of the circuit breaker is relatively small, which saves space. The intelligent circuit breaker is easy to install multiple circuit breakers in the same cabinet.
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