Цифровая регулировка 3-фазного тока& under-voltage + phase sequence control relay, suitable for 3-phase 380V systems, used for grid anomaly protection of industrial equipment.
- Core Protection & Adjustment Parameters
| Элемент | Спецификация | Описание |
| Overvoltage threshold | 400–460V AC (регулируемый) | Digital adjustment, accuracy ±1V |
| Undervoltage threshold | 230–360V AC (регулируемый) | Digital adjustment, accuracy ±1V |
| Phase sequence protection | Phase sequence error detection / non-phase-sequence mode switchable | Prevents motor reverse rotation and mechanical damage |
| Fault delay time | 0.1–10 seconds (регулируемый) | Flexibly adapts to different load characteristics |
| Supply voltage | 3-phase AC 380V (no neutral wire required) | Wide voltage for industrial power grids |
| Operating frequency | 50/60Гц (auto-adaptive) | Compatible with global main power frequencies |
- Электрический & Механические характеристики
| Элемент | Спецификация | Описание |
| Contact rating | 5А/250 В переменного тока (резистивная нагрузка) | Reliable driving for control circuits |
| Contact type | 1 НЕТ + 1 Северная Каролина | Standard control contact configuration |
| Степень защиты | IP20 | Must be installed in a control cabinet |
| Сертификаты | CE, UL, CSA | International safety certifications |
| Power consumption | Low power design | Energy-saving, low system load |
| Insulation | Complies with industrial electrical safety standards | Ensures electrical isolation safety |
- Относящийся к окружающей среде & Installation Parameters
| Элемент | Спецификация | Описание |
| Рабочая температура | -10°C to +55°C | Adapts to harsh industrial environments |
| Температура хранения | -25°C to +70°C | Safe range for transport and long-term storage |
| Относительная влажность | 5–95% (неконденсирующийся) | Suitable for humid industrial environments |
| Монтаж | 35мм DIN-рейка / front panel mounting | Flexible for control cabinet layout |
| Размеры | Compact design (subject to physical product) | Saves cabinet space |
| Масса | Lightweight design (subject to physical product) | Easy installation and layout |
- Ключевые особенности & Преимущества
- Three-in-one protection: Integrates overvoltage, undervoltage and phase sequence protection.
- Digital precise adjustment: Higher accuracy (±1V) than analog type, more intuitive setting.
- Non-phase-sequence mode: Switchable via DIP switch for wider compatibility.
- No neutral wire design: Direct 3-phase power supply, simplified wiring.
- Clear fault indication: LED indicators show status and fault type clearly.
- Wide temperature operation: -10°C~+55°C for mining, metallurgy and harsh conditions.
- Типичные применения
Motors & Насосы: 3-phase asynchronous motors, компрессоры, водяные насосы, фанаты.
Automated lines: CNC machines, robot stations, packaging machines.
Строительная электрика: Central air conditioning, лифты, fire pump rooms.
Special conditions: Petrochemical auxiliary equipment, mining machinery.
- Key Matching for Selection & Замена
- Function matching: Must include overvoltage, undervoltage and phase sequence protection.
- Parameter consistency: Overvoltage 400–460V, undervoltage 230–360V, delay 0.1–10s.
- Контакты & власть: 5A/250V AC contacts, 3-phase 380V (no neutral).
- Installation compatibility: DIN-рейка / монтаж на панели, direct replacement for Siemens 3UG4632, Schneider RM22TG20 etc.
Контактор,автоматический выключатель,солнечный инвертор,электрический счетчик,солнечные батареи


