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mb1 series

miniature circuit breakers
mb1 series mini circuit breaker is suitable for distribution system with ac 50/60hz, rated current 6~125a, rated voltage 400v and below, for overload and short circuit protection. the series has optional dpn and residual action current circuit breaker, which can be widely used in civil buildings, public buildings, mouth industry, rail transit and other industries.

ultimate protection for stable and reliable


● whole series of optional breaking capacity 6ka, and 10ka
● high quality bi-metal sheet is used for stable and reliable action characteristics


full range of categories with excellent service life


● complete range of products in categories such as dpn and residual current protection
● mechanical life of 20,000 times, and electrical life of 10,000 times


high-quality materials, with excellent performance


● the shell is made of high quality engineering materials, with excellent heat resistance, flame resistance and insulation strength
● the arc-extinguishing sheet adopts nickel-plating technology, with excellent arc extinguishing performance, and the contact material is ag-c alloy with excellent electrical performance


  • 轨道交通地铁低压配电系统为除牵引负荷外的所有运营所需的机电设备提供低压电源,高度重视低压配电系统供电的可靠性、有效性。

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  • 数据中心是一个聚集了大量服务器、存储设备、网络设备及配套ups、精密空调等设备的it设备场所。

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  • 中大型楼宇的供电电压一般采用10kv,有时也可采用35kv。为了保证供电可靠性,应至少有两个独立电源。

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  • 医院的消费系统,不仅需符合民用建筑规范要求、建筑防火规范要求,也需符合医院对消防供电可靠性、连续性要求。

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  • 工业行业由于其设备负荷的特殊性,生产的连续性,要求供电可靠不能间断。

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  • 风电行业由于其所处环境以及负荷类别的特殊性,要求具有极高可靠性和供电连续性。

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  • 为了系统安全,电网运营商通常要求光伏发电系统通过隔离升压变压器接入低压/中压配 电网实现并网运行。

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  • 充电桩可以固定在地面或墙壁,可以根据不同的电压等级为各种型号的电动汽车充电。

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