GE SR489-P5-HI-A20-E   继电保护装置技术说明

GE SR489-P5-HI-A20-E是一款由通用电气制造的高性能保护继电器，设计用于各种应用，包括发电、输电和配电¹。

它具有以下特点：

• 先进的保护和控制能力。
• 便于使用的用户友好界面。
• 5 A相CT次级线圈。
• 高控制电源为90~300伏直流电和70~265伏交流电，频率为48~62赫兹。
• 模拟输出为4~20 mA。
• 具有增强显示屏，其LCD比基本显示屏更大。
• 如果低电压应用需要输出继电器触点，客户有责任确保适当的绝缘水平

Technical Description of GE SR489-P5-HI-A20-E Relay Protection Device

GE SR489-P5-HI-A20-E is a high-performance protective relay manufactured by General Electric, designed for various applications, including power generation, transmission, and distribution.

It has the following characteristics:

Advanced protection and control capabilities.

A user-friendly interface that is easy to use.

5 A phase CT secondary coil.

The high control power supply is 90-300 V DC and 70-265 V AC, with a frequency of 48-62 Hz.

The analog output is 4-20 mA.

Equipped with an enhanced display screen, its LCD is larger than the basic display screen.

If low voltage applications require output relay contacts, the customer is responsible for ensuring appropriate insulation levels

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