发货快 施耐德断路器GV3P50外壳材质

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介绍：

电动机热磁断路器的保护功能主要由热磁保护元件提供。‌热元件‌通过感温双金属片产生推力，达到一定位移促使断路器脱扣。‌电磁元电动机热磁断路器通常采用模块结构，方便加装辅助触头、报警触头、欠电压脱扣器和分励脱扣器等附件。其保护功能包括过载保护件‌则通过铁心、线圈、磁轭、衔铁等组成，当短路电流通过导体在铁心的磁系统中形成强大的电磁场时，衔铁被吸合使断路器脱扣‌。和短路保护。过载保护通过热动式元件实现，而短路保护通过电磁式元件实现

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发货快 施耐德断路器GV3P50外壳材质