描述
保护功能：
过负荷保护：能检测电动机持续超过额定负载的情况，防止因过热损坏。
启动保护：通过热应力计算和速度开关闭锁，确保电机启动安全，防止电流过大引发事故。
过电流保护：提供定时限和速断两种特性，快速响应电流异常。
低电流（失载）保护：在电机空载或轻载时提供保护，防止空转损耗。
接地故障保护：采用定时限特性，对地短路故障有良好反应能力。
三相不平衡和逆相序保护：通过监测负序电流识别和防止电力系统的不平衡或逆相序问题。
其他保护：包括断路器失灵保护、温度保护、紧急启动功能等。
其他功能：
故障录波功能：记录故障发生时的详细信息，便于分析和排除故障。
非易失性存储：存储大量事件代码、定值和保护动作记录。
显示与通信：配备液晶屏显示，提供直观的人机交互界面；支持无线、有线通信以及多种工业通讯协议，如SPA总线、IEC60870-5-103和Modbus。
自我诊断和维护：内置电池支持，连续监测内部元件和软件状况，确保保护性能。
模块化设计：可分离插件单元，便于维护和扩展。
应用领域：广泛应用于各种工业环境中的泵、风机、研磨机、轧碎机等设备，是电机安全运行的重要保障。
Protection Functions:
Overload Protection:Detects when the motor continuously exceeds its rated load,preventing damage from overheating.
Startup Protection:Ensures safe motor startup through thermal stress calculation and speed switch lockout,preventing accidents caused by excessive current.
Overcurrent Protection:Provides both definite time and instantaneous trip characteristics for rapid response to current anomalies.
Undercurrent(Unload Protection):Provides protection when the motor is unloaded or lightly loaded,preventing idling losses.
Ground Fault Protection:Utilizes a definite time characteristic for excellent response to ground short-circuit faults.
Three-Phase Unbalance and Reverse Phase Sequence Protection:Identifies and prevents power system imbalance or reverse phase sequence problems by monitoring negative-sequence current.
Other Protection:Includes circuit breaker failure protection,temperature protection,and emergency start.
Other Functions:
Fault Recording:Records detailed information at the time of a fault,facilitating analysis and troubleshooting.
Non-Volatile Storage:Stores a large number of event codes,settings,and protection action records.Display and Communication:Equipped with an LCD display,it provides an intuitive human-machine interface.It supports wireless and wired communications,as well as multiple industrial communication protocols such as SPA bus,IEC60870-5-103,and Modbus.
Self-Diagnostics and Maintenance:A built-in battery continuously monitors the health of internal components and software to ensure optimal protection.
Modular Design:Detachable plug-in units facilitate maintenance and expansion.
Applications:Widely used in various industrial environments,such as pumps,fans,grinders,and crushers,it provides a vital guarantee for the safe operation of motors.
ABB Model: GBU72 3BHE055094R0002 Model: 3BHE055094R0002 GBU72 Model: GBU72 Model: 3BHE055094R0002 Model: 3BHE031197R0001 Model: 3BHB030310R0001 Model: 73BHE055094R0002 GBU72 Model: 73BHE055094R0002 Model: GBU72 Model: ABB PCS6000 PRODUCT FAMLIY ABB 5SHY4045L0006 3BHB030310R0001 3BHE039203R0101 GVC736CE101
