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tbbq2 series (cb)

dual-power transfer switch
tbbq2 series adopts the circuit breaker produced by tyt with more than 40 years of manufacturing experience as the actuator and is equipped with an integrated smart controller. when a fault such as undervoltage or shortage is detected, it can automatically switch to the backup power supply; it has short-circuit and overload protection functions, meeting the requirements of the electrical circuit for selective protection. its breaking capacity is much larger than that of the dual-power transfer switch composed of other components such as contactors, featuring high safety and reliability, and is suitable for use in lines with ac 50hz, rated voltage up to 400v and below, and rated current up to 630a and below.

professional design with high applicability


● the body has a rated impulse withstand voltage of 6kv and a rated insulation voltage of 690v, providing high electrical reliability

stable and reliable, and convenient for maintenance


● it adopts changjiu's high-performance mb1 micro circuit breaker and mb50 molded case circuit breaker as the body of execution, with excellent performance and low rate of failure

excellent performance and high cost performance


● it is cb-class, with dual power conversion and line protection functions, meeting the needs of customers to balance performance and cost
  • 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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