TKMA31000WL塑壳断路器馈通
TKMA31000WL塑壳断路器馈通
TKMA31000WL塑壳断路器馈通
TKMA31000WL塑壳断路器馈通说明书
TKMA31000WL塑壳断路器馈通线路说明
产品描述:TKMA31000WL
通用电气 1000A TKM 断路器。重型工业用于工厂、商场和重工业。可互换脱扣器、分励脱扣器、欠压脱扣机构和辅助开关。规格:模压外壳,热磁,K 框架,240/480/600 VAC,1000 安培,3 极,中断额定值 240 VAC 时为 42 kV,480 VAC 时为 30 kV,600 VAC 时为 22 kV,端子负载接线片,尺寸 8 1/4 英寸宽 x 5 1/2 英寸深 x 15 1/2 英寸高,型号,下一个型号将是 THKMA,以获得更高的分断额定值。 TKMA31000WL
TKMA31000WL断路器是指能够关合、承载和开断正常回路条件下的电流并能在规定的时间内关合、承载和开断异常回路条件下的电流的开关装置。断路器按其使用范围分为高压断路器与低压断路器,高低压界线划分比较模糊,一般将3kV以上的称为高压电器。
TKMA31000WL断路器可用来分配电能,不频繁地启动异步电动机,对电源线路及电动机等实行保护,当它们发生严重的过载或者短路及欠压等故障时能自动切断电路,其功能相当于熔断器式开关与过欠热继电器等的组合。而且在分断故障电流后一般不需要变更零部件。已获得了广泛的应用。
TKMA31000WL电的产生、输送、使用中,配电是一个极其重要的环节。配电系统包括变压器和各种高低压电器设备,低压断路器则是一种使用量大面广的电器。
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