描述
ABB REF543KM129AAAB是一款馈线保护继电器,属于REF543系列,主要用于中压配电网络的保护、控制、测量和监视。以下是其产品详情:
基本参数
额定电压(辅助电源):DC 24-250V,AC 48-250V。
电流输入:额定电流(In)为1A或5A(可配置),热承受能力为4×In连续,100×In持续1s。
频率:50/60Hz。
数字输入:最多14路(可编程)。
数字输出:最多10路(继电器触点)。
以太网端口:2个(用于IEC 61850和SCADA)。
工作温度:-25°C至+60°C。
防护等级:标准为IP40,可选IP52。
安装方式:19英寸机架或面板安装。
通信协议:支持IEC 61850、Modbus RTU/TCP、DNP 3、IEC 60870-5-103等。
保护功能:包括过流保护(50/51,50N/51N,50G/51G)、方向性过流保护(67,67N)、接地故障保护(50EF/51EF,67N)、热过载保护(49)、电动机保护(46,49,66)(如适用)、自动重合闸(79)(可选)等。


.The ABB REF543KM129AAAB is a feeder protection relay belonging to the REF543 series,primarily used for protection,control,measurement,and monitoring of medium-voltage distribution networks.Here are its product details:
Basic Parameters
Rated Voltage(Auxiliary Power Supply):DC 24-250V,AC 48-250V.
Current Input:Rated current(In)is 1A or 5A(configurable),with a thermal withstand capacity of 4×In continuously and 100×In for 1s.
Frequency:50/60Hz.
Digital Inputs:Up to 14(programmable).
Digital Outputs:Up to 10(relay contacts).
Ethernet Ports:2(for IEC 61850 and SCADA).
Operating Temperature:-25°C to+60°C.
Ingress Protection Rating:IP40 standard,IP52 optional.
Mounting Method:19-inch rack or panel mount.
Communication Protocols:Supports IEC 61850,Modbus RTU/TCP,DNP 3.0,IEC 60870-5-103,etc.
Protection Functions:Includes overcurrent protection(50/51,50N/51N,50G/51G),directional overcurrent protection(67,67N),ground fault protection(50EF/51EF,67N),thermal overload protection(49),motor protection(46,49,66)(if applicable),and automatic reclosing(79)(optional).
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

