GE Multilin 469-P5-HI-A20-E-H 电机管理继电器

Description

GE Multilin 469-P5-HI-A20-E-H 电机管理继电器技术参数中文介绍

GE Multilin 469-P5-HI-A20-E-H 是一款专为恶劣化学环境设计的电机管理继电器，具备增强的显示功能和保形涂层（Conformal Coating），适用于对防护等级要求较高的工业场景。以下是其关键技术参数及功能说明：

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1.469-P5-HI-A20-E-H 电气参数

• 电流互感器（CT）二次侧额定值：
  • 5A 相位CT二次侧，适配标准5A电流互感器输入，支持电机电流的精确测量与保护。
• 控制电源：
  • 交流输入：70–265 VAC，频率范围48–62 Hz。
  • 直流输入：90–300 VDC，适应工业现场宽范围电源波动。
• 输出继电器：
  • 配置多个可编程输出继电器，触点容量为5 A @ 250 VAC/30 VDC（阻性负载），适用于跳闸、报警等控制逻辑。
• 模拟输出：
  • 提供 4–20 mA 模拟信号输出，用于远程监控电机电流或故障状态。

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2.469-P5-HI-A20-E-H 显示与操作界面

• 增强型显示屏：
  • 40字符大尺寸LCD显示屏，支持中文/英文等多语言菜单，实时显示电机运行参数（电流、电压、频率等）、故障记录及设备状态。
  • 直观操作界面：
    • 配备数字键盘、导航按键及功能键（如重置、退出、菜单键），便于现场调试与参数设置。
    • 前面板集成 电机状态指示灯、输出状态指示灯 及 装置运行指示灯，快速指示设备工作状态。

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3. 469-P5-HI-A20-E-H核心保护功能

• 电机专用保护：
  • 过载保护：基于反时限（I²T）曲线，防止电机因长时间过载而损坏。
  • 短路保护：快速检测相间短路或接地故障，并触发跳闸。
  • 缺相/不平衡保护：监测三相电流不平衡度，避免电机因缺相运行而烧毁。
  • 欠压/过压保护：检测电源电压异常，防止电机因电压波动受损。
  • 接地故障保护：高灵敏度接地故障检测，支持可调阈值与延时。
• 启动与运行监控：
  • 堵转保护：检测电机启动失败或运行中堵转，避免机械损伤。
  • 热过载保护：支持外接RTD（如Pt100）输入，实时监测电机绕组温度，结合热模型算法实现精准保护。

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4. 通信与网络功能

• 串行通信：
  • 集成 RS-232 程序端口，波特率默认 9600 bps（可编程至19200 bps），支持本地配置与调试。
• 以太网通信（可选）：
  • 支持 Modbus TCP/IP、Ethernet/IP 等协议，实现与SCADA/DCS系统的无缝集成，支持远程监控、参数配置及故障录波文件上传。
• 数据记录与事件管理：
  • 内置大容量存储器，可记录 100+条故障事件（含时间戳、故障类型及动作值），支持故障回溯分析。

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5. 环境适应性

• 保形涂层（Conformal Coating）：
  • 继电器表面覆盖特殊涂层，防护等级达 IP20（部分区域可能更高），可抵御恶劣化学环境（如腐蚀性气体、高湿度、盐雾等），延长设备使用寿命。
• 工作温度：
  • -20°C 至 +60°C（存储温度：-40°C 至 +85°C），适应极端工业环境。
• 湿度：
  • 支持 95%相对湿度（非冷凝），满足高湿度场景需求。
• 抗冲击与振动：
  • 通过 IEC 255-5 标准冲击试验（0.5焦耳，5 kV），确保在恶劣机械环境下稳定运行。

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6. 机械与安装特性

• 尺寸与安装：
  • 紧凑设计：约 21 mm（高）× 95 mm（宽）× 32 mm（深），支持面板安装或19英寸机架安装。
• 防护等级：
  • IP20（部分区域可能更高），防止固体异物进入。
• 重量：
  • 约 1.2 kg，轻量化设计便于维护。

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7. 合规性与认证

• 国际标准：
  • 符合 ISO、UL、CSA 及 CE 认证要求，确保设备安全可靠。
• 电磁兼容性（EMC）：
  • 通过 IEC 61000-4-x 系列测试，抗干扰能力强，确保在复杂电磁环境下稳定运行。

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8. 应用场景

• 化工与石油行业：
  • 适用于腐蚀性气体、高湿度环境下的电机保护，如泵、压缩机、风机等设备。
• 电力与能源：
  • 用于发电厂、变电站等场景的电机监控与保护。
• 水处理与环保：
  • 适应污水处理厂、垃圾焚烧厂等恶劣环境下的电机管理需求。

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总结

GE Multilin 469-P5-HI-A20-E-H 电机管理继电器凭借其 5A CT二次侧输入、宽范围电源供电、增强型显示屏、保形涂层防护 及 灵活的通信能力，成为恶劣化学环境下电机保护的理想选择。其全面的保护功能、高可靠性和易用性设计，大幅降低了工业现场的运维复杂度，确保电机在极端环境下的安全稳定运行。

如需进一步了解配置细节或定制化方案，请参考 GE Multilin 469系列用户手册 或联系 GE Renewable Energy Grid Solutions 技术支持团队。

Introduction to Technical Parameters of GE Multilin 469-P5-HI-A20-E-H Motor Management Relay in Chinese

GE Multilin 469-P5-HI-A20-E-H is a motor management relay designed specifically for harsh chemical environments, featuring enhanced display capabilities and conformal coating, suitable for industrial scenarios with high protection requirements. The following are its key technical parameters and functional specifications:

1.469-P5-HI-A20-E-H Electrical Parameters
Rated value of current transformer (CT) secondary side:
5A phase CT secondary side, compatible with standard 5A current transformer input, supports accurate measurement and protection of motor current.
Control power supply:
Communication input: 70-265 VAC, frequency range 48-62 Hz.
DC input: 90-300 VDC, suitable for wide range power fluctuations in industrial sites.
Output relay:
Configure multiple programmable output relays with a contact capacity of 5 A @ 250 VAC/30 VDC (resistive load), suitable for control logic such as tripping and alarm.
Analog output:
Provide 4-20 mA analog signal output for remote monitoring of motor current or fault status.
2.469-P5-HI-A20-E-H display and operation interface
Enhanced display screen:
40 character large-sized LCD display screen, supporting multilingual menus such as Chinese/English, real-time display of motor operating parameters (current, voltage, frequency, etc.), fault records, and equipment status.
Intuitive operating interface:
Equipped with a numeric keypad, navigation keys, and function keys (such as reset, exit, and menu keys) for easy on-site debugging and parameter setting.
The front panel integrates motor status indicator lights, output status indicator lights, and device operation indicator lights to quickly indicate the working status of the equipment.
3. 469-P5-HI-A20-E-H core protection function
Motor specific protection:
Overload protection: Based on the inverse time (I ² T) curve, it prevents the motor from being damaged due to long-term overload.
Short circuit protection: Quickly detect phase to phase short circuits or ground faults and trigger tripping.
Phase loss/imbalance protection: Monitor the degree of three-phase current imbalance to prevent the motor from burning out due to phase loss operation.
Undervoltage/Overvoltage Protection: Detect abnormal power supply voltage to prevent motor damage due to voltage fluctuations.
Ground fault protection: High sensitivity ground fault detection, supporting adjustable threshold and delay.
Startup and operation monitoring:
Locking protection: detects motor startup failure or blockage during operation to avoid mechanical damage.
Thermal overload protection: Supports external RTD (such as Pt100) input, real-time monitoring of motor winding temperature, combined with thermal model algorithm to achieve precise protection.
4. Communication and network functions
Serial communication:
Integrated RS-232 program port, default baud rate of 9600 bps (programmable up to 19200 bps), supports local configuration and debugging.
Ethernet communication (optional):
Support Modbus TCP/IP, Ethernet/IP and other protocols, achieve seamless integration with SCADA/DCS systems, support remote monitoring, parameter configuration and fault recording file upload.
Data recording and event management:
Built in large capacity memory, capable of recording over 100 fault events (including timestamps, fault types, and action values), supporting fault tracing analysis.
5. Environmental adaptability
Conformal Coating:
The surface of the relay is covered with a special coating, with a protection level of IP20 (which may be higher in some areas), which can resist harsh chemical environments (such as corrosive gases, high humidity, salt spray, etc.) and extend the service life of the equipment.
Working temperature:
-20 ° C to+60 ° C (storage temperature:- Suitable for extreme industrial environments (40 ° C to+85 ° C).
Humidity:
Supports 95% relative humidity (non condensing) to meet the needs of high humidity scenarios.
Resistance to impact and vibration:
Ensure stable operation in harsh mechanical environments through the IEC 255-5 standard impact test (0.5 joules, 5 kV).
6. Mechanical and installation characteristics
Size and Installation:
Compact design: approximately 21 mm (height) x 95 mm (width) x 32 mm (depth), supporting panel installation or 19 inch rack installation.
Protection level:
IP20 (may be higher in some areas) to prevent solid foreign objects from entering.
Weight:
About 1.2 kg, lightweight design for easy maintenance.
7. Compliance and Certification
International standards:
Compliant with ISO, UL, CSA, and CE certification requirements to ensure equipment safety and reliability.
Electromagnetic compatibility (EMC):
Through IEC 61000-4-x series testing, it has strong anti-interference ability, ensuring stable operation in complex electromagnetic environments.
8. Application scenarios
Chemical and petroleum industries:
Suitable for motor protection in corrosive gases and high humidity environments, such as pumps, compressors, fans, and other equipment.
Electricity and Energy:
Used for motor monitoring and protection in power plants, substations, and other scenarios.
Water treatment and environmental protection:
Adapt to the motor management needs in harsh environments such as sewage treatment plants and garbage incineration plants.
summarize

The GE Multilin 469-P5-HI-A20-E-H motor management relay is an ideal choice for motor protection in harsh chemical environments due to its 5A CT secondary input, wide range power supply, enhanced display screen, conformal coating protection, and flexible communication capabilities. Its comprehensive protection function, high reliability, and easy-to-use design significantly reduce the complexity of operation and maintenance in industrial sites, ensuring the safe and stable operation of motors in extreme environments.

For further information on configuration details or customized solutions, please refer to the GE Multilin 469 series user manual or contact the GE Renewable Energy Grid Solutions technical support team.