Features: 1. Overvoltage protection 2. Under voltage protection 3. Voltage display (voltage measurement ABC Separate Phase Voltage) 4. Three-phase voltage unbalance protection 5. Phase sequence protection (reverse phase protection) 6. Zero break protection 7. Phase failure protection 8. Overvoltage protection value is adjustable 9. Overvoltage recovery value is adjustable 10. Overvoltage protection action time is adjustable 11. Undervoltage protection value is adjustable 12. Undervoltage recovery value is adjustable 13. Undervoltage protection action time is adjustable 14. Three-phase voltage unbalance protection value is adjustable 15. Three-phase voltage unbalance protection action time is adjustable 16. The power-on delay time is adjustable 17. Fault recovery delay time is adjustable 18. Reset mode selection 19. Troubleshooting 20. Restore factory settings Parameter: 1. Rated voltage: three-phase four-wire 230V/400VAC 50/60Hz 2. Rated current: 50A, 63A, 80A 3. Overvoltage protection value range: 221V-300V-OFF (default value 280V) 4. Overvoltage recovery value range: 220V-299V (default value 250V) 5. Overvoltage protection action time is adjustable: 0.1 seconds-10 seconds (default value 0.2 seconds) 6. Undervoltage protection value range: 219V-150V-OFF (default value 160V) 7. Undervoltage recovery value range: 220V-151V (default value 180V) 8. Undervoltage protection action time is adjustable: 0.1 seconds-10 seconds (default value 0.2 seconds) 9. Three-phase voltage unbalance protection value range: 10%-50%-OFF 10. Phase voltage unbalance protection action time: 0.1 seconds-10 seconds (default value 1.0 seconds) 11. Power-on delay connection time: 2-255 seconds (default value 2 seconds) 12. Failure recovery delay time: 2-512 seconds (default value 60 seconds) 13. Display mode: LCD 14. Fault indication: segment code characters 15. Sampling method: phase line to neutral line resistance divided voltage AC sampling 16. Grounding system: TT, TN-S, TN-C-S 17. Installation method: guide rail installation 18. Electrical isolation strength: greater than 2000VAC, pulse 2.5KV 1.2/50μS 19. Working environment: temperature -20-50 degrees Celsius, humidity less than 85% altitude: no more than 2000m
产品特点: 1. 过电压保护 2. 欠电压保护 3. 电压显示(电压测量ABC Separate Phase Voltage) 4. 三相电压不平衡保护 5. 相序保护(逆相保护) 6. 断零保护 7. 断相保护 8. 过电压保护值可调 9. 过电压恢复值可调 10. 过电压保护动作时间可调 11. 欠电压保护值可调 12. 欠电压恢复值可调 13. 欠电压保护动作时间可调 14. 三相电压不平衡保护值可调 15. 三相电压不平衡保护动作时间可调 16. 开机上电延时接通时间可调 17. 故障恢复延时时间可调 18. 复位方式选择 19. 故障查询 20. 恢复出厂设置 参数: 1. 额度电压:三相四线 230V/400VAC 50/60Hz 2. 额度电流:50A,63A,80A 3. 过电压保护值范围:221V-300V-OFF(默认值 280V) 4. 过电压恢复值范围:220V-299V (默认值 250V) 5. 过电压保护动作时间可调:0.1秒-10秒(默认值0.2秒) 6. 欠压保护值范围:219V-150V-OFF (默认值 160V) 7. 欠压恢复值范围:220V-151V (默认值 180V) 8. 欠电压保护动作时间可调:0.1秒-10秒 (默认值0.2秒) 9. 三相电压不平衡保护值范围:10%-50%-OFF 10. 相电压不平衡保护动作时间:0.1秒-10秒(默认值1.0秒) 11. 开机上电延时接通时间:2-255秒(默认值2秒) 12. 故障恢复延时时间: 2-512秒(默认值60秒) 13. 显示方式:LCD 14. 故障指示:段码字符 15. 取样方式:相线对零线电阻分压交流取样 16. 接地系统:TT、TN-S、TN-C-S 17. 安装方式:导轨安装 18. 电气隔离强度:大于2000VAC,脉冲 2.5KV 1.2/50μS 19. 工作环境:温度 -20-50摄氏度, 湿度小于85% 海拔高度:不超过2000m
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