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ma40 series

frame circuit breaker
ma40 series frame circuit breakers are suitable for distribution lines with ac 50/60hz, rated current 400~6300a, rated voltage ac400/690v, which are used to distribute power and protect lines and power supply equipment from hazards such as overload, undervoltage, short circuit, single-phase earthing fault, etc. its unique communication function can realize unified data management and achieve the "four remote" function required by users. this series of products have a variety of smart protection functions to achieve selective protection and accurate action to avoid unnecessary power outages and ensure the continuity of power supply, which can be widely used in industries such as civil housing and power distribution network.

ultimate protection for safe and reliable

● complete protection function, with optional 4-segment protection function, meeting higher customer demand for use
● zero flashover for the whole series to ensure maximum safety of electricity

self-selection and adaptability

● selective interlocking function in zsi area to avoid unnecessary power outages and ensure the continuity of power supply
● high reliability, with high and low temperature test, high altitude, salt spray test, emc test, vibration and damp heat test in strict accordance with national standards

safety protection, and smart connectivity

● mcr on-off protection and hsisc trip protection
● the communication function, allowing for "four remotes"

  • 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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