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MB50 Series

MCCB
MB50 series molded case circuit breakers are suitable for distribution system with AC 50/60Hz, rated current 16~800A and rated voltage AC400V for overload and short circuit protection. This series has optional leakage and DC molded case circuit breakers, which can be widely used in civil building, public building, industry, rail transit and other industries.

Product Features

Unique Features for Ultimate Protection


● CBI (optional overload, alarm, non-trip function), ensuring the continuity of power supply for critical loads
● High breaking capacity for full series of Icu280kA, Ics255kA


Box-Mounted, Double-Insulated


● Electrical accessories are installed in modular boxes, making it easy to operate, safe and reliable
● The circuit breaker adopts dual insulation to completely isolate the main energized parts from the shell part to ensure the safety of the operator


Innovative structure with thermomagnetic adjustable


● Innovative arc-extinguishing structure design, achieving zero flashover for the whole series of products, with excellent and stable arc-extinguishing performance
● Adjustable thermomagnetic with 0.8-1 times In settable for long delay protection and 5-10 times In settable for instantaneous protection


Solution

  • Rail Transit

    The low-voltage power distribution system of rail transit metro provides low-voltage power supply for all electromechanical equipment required for operation except traction load, laying great emphasis on the reliability and effectiveness of the power supply of low-voltage power distribution system.

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  • Data Communication

    Data centers gather a large number of servers、An IT equipment site for storage devices, network equipment, and supporting equipment such as UPS and precision air conditioners

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  • High-rise Buildings

    The voltage of power supply for medium and large buildings is generally 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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  • Medical Industry

    Hospital consumption system, not only needs to meet the requirements of civil building codes, building fire code requirements, but also needs to meet the requirements of hospital on消防供电可靠性、连续性要求。

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  • Industrial Industry

    Due to the special nature of the equipment load and the continuity of production in the industrial industry, the power supply must be reliable and uninterrupted.

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  • Wind Power Industry

    Due to a certain environment and load category in the wind power industry的特殊性,要求具有极高可靠性和供电连续性。

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  • Photovoltaic Industry

    For system security, grid operators often require The photovoltaic power generation system is connected to the low-voltage/medium-voltage distribution network through an isolation step-up transformer to achieve grid connection and operation

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  • EV Charging Solution

    The charging pile can be fixed to the ground or wall and can charge various models of electric vehicles according to different voltage levels.

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