SR489-P5-LO-A20-E GE 发电机保护继电器 成都阳光熹禾

GE SR489-P5-LO-A20-E是通用电气（GE）生产的一款多功能的发电机保护继电器，属于SR系列中的一员。这款继电器专为小型到中型的同步或感应发电机提供保护、控制和高级通信功能，适用于25Hz、50Hz或60Hz的电网环境，并且设计有便于现场安装和维护的抽屉式结构。SR489-P5-LO-A20-E通过其大尺寸的前端面板界面，使用户能够在直射阳光下也能轻松读取实时电力监控和设定点访问信息。此外，该继电器还具备事件记录功能，能够记录和时间戳记内部继电器操作和连接到继电器输入的外部设备的操作，从而简化发电机故障排除

Product Details: SR489-P5-LO-A20-E GE Generator Protection Relay
Comprehensive generator protection: including stator grounding protection, stator thermal protection, bearing protection, excitation protection, etc.
Input/Output: It has 12 RTD inputs, 9 digital inputs, 4 analog inputs, 6 output relays, and 4 programmable analog outputs.
Measurement and monitoring: capable of measuring current, voltage, power, energy, frequency, power factor, etc., and providing temperature, vibration, and speed monitoring.
Product details and parameters: SR489-P5-LO-A20-E GE generator protection relay
Communication capability: Supports RS232 and RS485 ports, adopts Modbus RTU protocol, and can achieve remote monitoring and control with the upper computer system.
Analog Input: Provides 4 analog inputs that can be set to 4-20mA, 0-20mA, or 0-1mA.
Power supply voltage: Supports control power supply of 20-60V DC or 20-48V AC.
Environmental adaptability: Suitable for ambient temperatures ranging from -40 ° C to+60 ° C, with a protection level of IP20.
SR489-P5-LO-A20-E GE application areas:

GE SR489-P5-LO-A20-E is a multifunctional generator protection relay produced by General Electric (GE) and is a member of the SR series. This relay is designed to provide protection, control, and advanced communication functions for small to medium-sized synchronous or induction generators, suitable for 25Hz, 50Hz, or 60Hz grid environments, and features a drawer style structure for easy on-site installation and maintenance. SR489-P5-LO-A20-E, with its large front-end panel interface, allows users to easily access real-time power monitoring and set point access information even in direct sunlight. In addition, the relay also has event recording function, which can record and timestamp internal relay operations and external device operations connected to relay inputs, thereby simplifying generator troubleshooting