489-P1-LO-A20-E 是 Multiline 的 489 发电机管理继电器。本机具有 1A 相 CT 输入，控制电压为 20 至 60VDC 或 20 至 48 VAC @ 48-62 Hz。该装置具有大型LCD增强型显示屏和4-20 mA模拟输入。作为GE的SR系列继电器的一部分，489-P1-LO-A20-E提供经济高效的保护和控制，并配有先进的通信功能。该装置设计用于与中小型发电机配对，以提供保护并减少故障排除时间。该装置易于使用，并提供用于振动监控的模拟输入以及用于轴承热保护的 RTD。
SR489-P1-LO-A20-E
489-P1-LO-A20-E 具有易于阅读的大型前面板，其顶部边缘有一个 40 个字符的显示屏。此显示允许用户查看设定值和实际值消息以及诊断和默认消息。前面板配有数字键盘、数值向上和向下键、程序端口接口、多个状态指示灯以及控制和编程键。前面板的底部边缘包括一个抽出手柄，可以安装电线引线密封件，以防止未经授权的拆卸。该装置支持直接集成到大多数DCS和SCADA系统中。该单元支持 DNP 3.0、Modbus RTU 和 Modbus TCP/IP。本机的接地符合 C37.90 EMI、SWC、RFI 抗干扰性。
SR489-P1-LO-A20-E
489-P1-LO-A20 是 GE Multilin 制造的 Multilin 489 发电机管理继电器。该发电机继电器具有 1 个 A 相 CT 次级。LO 控制电源为 20-60 VDC 和 20-48 VAC，频率为 48-62 Hz。该继电器上的模拟输出为 4 至 20 mA。该继电器有一个基本显示。该发电机管理继电器没有保护性保形涂层来防止化学环境。LO 代表 GE Multilin 发电机管理继电器部件号 489-P1-LO-A20 中的低控制功率。GE Multilin 发电机管理继电器的低控制电源包括 20 至 60 V DC；20 至 48 V AC，48 至 62 Hz。
SR489-P1-LO-A20-E
489-P1-LO-A20-E is Multiline’s 489 generator management relay. This machine has a 1A phase CT input and a control voltage of 20 to 60VDC or 20 to 48 VAC @ 48 to 62 Hz. This device has a large LCD enhanced display screen and 4-20 mA analog input. As part of GE’s SR series relays, the 489-P1-LO-A20-E provides cost-effective protection and control, and is equipped with advanced communication functions. This device is designed to pair with small and medium-sized generators to provide protection and reduce troubleshooting time. This device is easy to use and provides analog inputs for vibration monitoring as well as RTDs for bearing thermal protection.
SR489-P1-LO-A20-E
489-P1-LO-A20 is a Multilin 489 generator management relay manufactured by GE Multilin. The generator relay has one A-phase CT secondary. The LO control power supply is 20-60 VDC and 20-48 VAC, with a frequency of 48-62 Hz. The analog output on this relay is 4 to 20 mA. This relay has a basic display. The generator management relay does not have a protective conformal coating to prevent chemical environments. LO represents the low control power in the GE Multilin generator management relay part number 489-P1-LO-A20. The low control power supply for the GE Multilin generator management relay includes 20 to 60 V DC; 20 to 48 V AC, 48 to 62 Hz.
SR489-P1-LO-A20-E
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