SR489-P5-HI-A20-E 发电机管理继电器489-P5-HI-A20-E是GE莫林为489系列制造的发电机管理继电器。该继电器具有 5 A 相位 CT 次级。HI 控制功率为 90-300 VDC 和 70265 VAC，频率为 48-62 Hz。该继电器的模拟输出为 4 至 20 mA。该继电器具有增强型显示屏，LCD比基本显示屏更大。如果低压可访问应用需要输出继电器触点，则客户有责任确保适当的绝缘水平。
基于微处理器或固态继电器通常提供多种设置和曲线选项。
介电电压耐受为参考标准EN60255-5。冲击耐压为参考标准EN60255-5。绝缘电阻为参考标准EN60255-5。阻尼振荡器为参考标准IEC61000-4-18/IEC60255-22-1。静电放电为参考标准EN61000-4-2/IEC60255-22-2。射频抗扰度为参考标准 EN61000-4-3/IEC60255-22-3。快速瞬态干扰为参考标准EN61000-4-4/IEC60255-22-4。浪涌抗扰度为参考标准EN61000-4-5/IEC60255-22-5。传导射频抗扰度为参考标准 EN61000-4-6/IEC60255-22-6。辐射和传导发射为参考标准CISPR11/CISPR22/IEC60255-25。正弦振动为参考标准IEC60255-21-1。功率磁抗扰度为参考标准IEC61000-4-8。电压骤降和中断为参考标准IEC61000-4-11。入口保护是参考标准IEC60529。环保（冷）为参考标准IEC60068-2-1。环保（干热）为参考标准IEC60068-2-2。循环相对湿度为参考标准IEC60068-2-30。EFT 是参考标准 IEEE/ANSI C37.90.1。阻尼振荡为参考标准IEEE/ANSI C37.90.1。ESD是参考标准IEEE/ANSIC37.90.3。安全性为参考标准 UL508、UL C22.2-14 和 UL1053。
489-P5-HI-A20-E is a generator management relay manufactured by GE Molin for the 489 series. This relay has a 5 A phase CT secondary. The HI control power is 90-300 VDC and 70265 VAC, with a frequency of 48-62 Hz. The analog output of this relay is 4 to 20 mA. This relay has an enhanced display screen, and the LCD is larger than the basic display screen. If low voltage accessible applications require output relay contacts, it is the customer's responsibility to ensure appropriate insulation levels.
Based on microprocessors or solid-state relays, multiple settings and curve options are typically available.
The dielectric voltage withstand is based on the reference standard EN60255-5. The impulse withstand voltage is based on the reference standard EN60255-5. The insulation resistance is based on the reference standard EN60255-5. The damping oscillator is based on the reference standard IEC61000-4-18/IEC60255-22-1. Electrostatic discharge refers to the reference standard EN61000-4-2/IEC60255-22-2. The radio frequency immunity is based on the reference standard EN61000-4-3/IEC60255-22-3. The reference standard EN61000-4-4/IEC60255-22-4 is for fast transient interference. The surge immunity is based on the reference standard EN61000-4-5/IEC60255-22-5. Conducted RF immunity is based on the reference standard EN61000-4-6/IEC60255-22-6. Radiated and conducted emissions refer to the reference standard CISPR11/CISPR22/IEC60255-25. Sinusoidal vibration refers to the reference standard IEC60255-21-1. The power magnetic immunity is based on the reference standard IEC61000-4-8. Voltage dips and interruptions refer to the reference standard IEC61000-4-11. The entrance protection refers to the standard IEC60529. Environmental protection (cold) is the reference standard IEC60068-2-1. Environmental protection (dry heat) is the reference standard IEC60068-2-2. The cyclic relative humidity is based on the reference standard IEC60068-2-30. EFT is a reference standard IEEE/ANSI C37.90.1. Damping oscillation is based on the reference standard IEEE/ANSI C37.90.1. ESD is a reference standard IEEE/ANSIC37.90.3. Safety is based on reference standards UL508, UL C22.2-14, and UL1053.
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