GE MULTILIN 489-P5-LO-A20T继电器 PDF资料
1.产 品 资 料 介 绍：
GE Multilin 489-P5-LO-A20T 发电机管理继电器
GE Multilin 489-P5-LO-A20T 是 489 系列发电机管理继电器，用于中小型同步及感应发电机的保护、控制与监测。型号后缀含义：P5 为 5A 相电流输入，LO 为低压控制电源，A20 为 4–20 mA 模拟输出，T 为以太网接口。
产品特点
5A 相电流输入，控制电源 20–60 VDC / 20–48 VAC。
集成差动、定子接地、失磁、逆功率、距离后备及热过载等保护功能。
12 路 RTD 输入，监测定子绕组与轴承温度。
内置以太网口，支持 Modbus TCP/IP、DNP3、IEC 61850。
抽屉式结构，带显示屏与 LED 指示灯，支持波形捕捉与事件记录。
应用领域
工业自备电厂发电机组保护。
热电联产分布式能源并网。
备用柴油发电机系统监控。
中小型同步发电机主保护或后备保护。
感应发电机保护。
联合循环电厂发电机管理。
化工厂、数据中心备用电源保护。
老旧 489 系列继电器替换升级。
定子绕组与轴承热状态监测。
需要 IEC 61850 或 Modbus TCP 通信的发电自动化系统。
结尾： GE Multilin 489-P5-LO-A20T 以 5A CT 输入、低压控制电源、以太网通信和全面的发电机保护功能为核心，适合工业自备电厂、热电联产、备用发电等中小型发电机场景
2.英文详情介绍
GE Multilin 489-P5-LO-A20T Generator Management Relay
GE Multilin 489-P5-LO-A20T is a 489 series generator management relay used for the protection, control, and monitoring of small and medium-sized synchronous and induction generators. Model suffix meaning: P5 represents 5A phase current input, LO represents low-voltage control power supply, A20 represents 4-20 mA analog output, and T represents Ethernet interface.
Product Features
5A phase current input, control power supply 20-60 VDC/20-48 VAC.
Integrated differential, stator grounding, demagnetization, reverse power, distance backup, and thermal overload protection functions.
12 RTD inputs, monitoring stator winding and bearing temperature.
Built in Ethernet port, supporting Modbus TCP/IP, DNP3, IEC 61850.
Drawer style structure with display screen and LED indicator lights, supporting waveform capture and event recording.
Application Fields
Protection of generator sets in industrial self owned power plants.
Cogeneration distributed energy grid connection.
Monitoring of backup diesel generator system.
Main or backup protection for small and medium-sized synchronous generators.
Induction generator protection.
Management of generators in combined cycle power plants.
Backup power protection for chemical plants and data centers.
Replace and upgrade the old 489 series relays.
Monitoring the thermal status of stator windings and bearings.
Power generation automation systems that require IEC 61850 or Modbus TCP communication.
Conclusion: The GE Multilin 489-P5-LO-A20T features a 5A CT input, low-voltage control power supply, Ethernet communication, and comprehensive generator protection functions as its core, making it suitable for small and medium-sized generator scenarios such as industrial self owned power plants, cogeneration, and backup power generation
3.产品图片
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| PMA45R-11100-02 | 70 AS 32a-E | 57160001-BH DSTD 110 |
| PMA45R-01100-00 | AMAT 0100-71282 | PFTL201C 20.0KN |
| PMA45R-00100-00 | IMHSS02 | M21NSXC-LNN-NS-02 |
| PMA45Q-10100-00 | AMAT 0100-20078 | P21NRXB-LNN-NS-00 |
| PMA45N-01100-00 | ICSA04B5 | N33HRFM-LNK-NS-00 |
| PMA45N-00100-00 | AMAT 0100-18039 | PFCL301E 0.5KN 3BSE016580R500 |
| PMA44R-1050B-08 | IMDSO02 | 3BHT100010R1 RF615 |
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