The PHLTD self-resetting overvoltage and undervoltage protector features advanced electrical protection functions, allowing it to accurately monitor and automatically adjust grid voltage. It is equipped with dual display screens to show real-time voltage status, ensuring that equipment operates stably within a safe voltage range. This device is suitable for a variety of applications, offering reliable protection for electrical equipment and ensuring long-term stability and reliability.
| Ship type switch single display setting menu | |||||
| option | function | maximum | minimum | Default value | notes |
| P-1 | Power on delay | 999 | 1 | 5 | S |
| P-2 | Recovery delay | 999 | 1 | 30 | S |
| P-3 | Recovery delay | 300 | 130 | 270 | Close overvoltage above 300V |
| P-4 | undervoltage | 210 | 80 | 170 | Close undervoltage below 80V |
| P-5 | Overvoltage and undervoltage action time | 10 | 0.1 | 0.5 | Default 0.5 second action |
| P-6 | Voltage correction | 10% | -10% | 0 | |
| P-7 | OVERCURRENT | 63 | 1 | 63 | Close overcurrent above 63A |
| P-8 | Overcurrent action time | 10 | 0.1 | 1 | |
| P-9 | Continuous overcurrent counting | 10% | -10% | 0 | Set 0 to turn off continuous overcurrent counting times |
| P-10 | Current correction | 20 | 0 | 0 | |
| P-11 | combination lock | 999 | 0 | 825 | |
| P-12 | Password modification | 999 | 0 | 825 | P11 will only display P12 if the password is correct |
| Overvoltage and undervoltage single display setting menu | |||||
| option | function | maximum | minimum | Default value | notes |
| P-1 | Power on delay | 600 | 1 | 5 | S |
| P-2 | overvoltage | 300 | 1 | 270 | Close overvoltage above 300V |
| P-3 | undervoltage | 210 | 130 | 170 | Close undervoltage below 80V |
| P-4 | Overvoltage and undervoltage action time | 30 | 80 | 1 | Default 1-second action |
| P-5 | Recovery delay | 600 | 1 | 30 | |
| Dual display overvoltage, undervoltage, and overcurrent setting menu | ||||
| Effective voltage range | AC80~300 | V | 1% | Can be calibrated for higher accuracy |
| Effective current range | AC0.1~63.0 | A | 1% | Can be calibrated for higher accuracy |
| Frequency range | 40~70 | Hz | 1% | Can be calibrated for higher accuracy |
| REFRESH RATE | >1000 | HZ | ||
| Table Update | 0.1~1.0 | s | 1% | Screen value update |
| Table algorithm | root-mean-square/RMS | The urban power grid should use this algorithm | ||
| Overvoltage and undervoltage return difference | 5 | V | Fixed 5V return difference | |
| Timer range | 1~999 | S | 1 | User settings |
| Action time | 0.1~10.0 | S | 1% | User settings |
| DC effective range | DC80~300 | V | 1% | |
