Контактор,автоматический выключатель,солнечный инвертор,электрический счетчик,солнечные батареи
| Часть модели | Значение |
| ABE | Код серии, Meta-MEC economy MCCB, thermal-magnetic trip, low breaking capacity (economy type) |
| 40 | Frame rating current 400A |
| 4 | 4 столбы (4П), suitable for three-phase four-wire system protection |
| Б | Breaking capacity class B (10kA@AC380V) |
| 400А | Rated operational current 400A, set by plug module |
- Ключевые технические параметры
| Элемент | Спецификация | Описание |
| Тип продукта | Economy Molded Case Circuit Breaker (MCCB) | Thermal-magnetic trip, fixed mount |
| Номинальное напряжение | AC 600V, Ui 690V | Соответствует МЭК 60947-2 |
| Номинальная частота | 50/60Гц | Universal frequency range |
| Разрывная способность | Icu=10kA@AC380V | Class B economy breaking capacity |
| Trip Type | Fixed thermal-magnetic trip | Защита от перегрузки (inverse time) + защита от короткого замыкания (мгновенный) |
| Номинальное напряжение изоляции | Ui=690V | Maximum voltage for insulation performance |
| Mechanical Endurance | 8500 операции | Standard operating cycles |
| Electrical Endurance | 1000 операции | Operating cycles at rated current |
| Тип монтажа | Фиксированный тип | Standard 35mm DIN rail or panel mount |
| Связь | Front connection / Заднее подключение | Optional for different installations |
| Applicable Standards | МЭК 60947-1/2, В 60947-1/2 | International electrical standards |
- Series Model List (400AF Frame)
| Модель | поляки | Разрывная способность | Диапазон номинального тока |
| ABE402b | 2П | 10тот | 250А, 300А, 350А, 400А |
| ABE403b | 3П | 10тот | 250А, 300А, 350А, 400А |
| ABE404b | 4П | 10тот | 250А, 300А, 350А, 400А |
| ABS402b | 2П | 25тот | 250А, 300А, 350А, 400А |
| ABS403b | 3П | 25тот | 250А, 300А, 350А, 400А |
| ABS404b | 4П | 25тот | 250А, 300А, 350А, 400А |
| ABH402b | 2П | 35тот | 250А, 300А, 350А, 400А |
| ABH403b | 3П | 35тот | 250А, 300А, 350А, 400А |
| ABH404b | 4П | 35тот | 250А, 300А, 350А, 400А |
- Recommended International Brand Replacements
| Бренд | Ряд | Запасная модель | Ключевые параметры соответствия |
| Шнайдер | EZD Series | EZD400E4400 | 4П, 400А, 10тот, thermal-magnetic trip |
| Сименс | 3VT Series | 3VT8440-1AA03 | 4П, 400А, 10тот, thermal-magnetic trip |
| АББ | Tmax Series | T2N400 TMD 400/400 FF 4P | 4П, 400А, 10тот, thermal-magnetic trip |
| Итон | Power Defense | LZMN4-A400-I | 4П, 400А, 10тот, thermal-magnetic trip |
| Переключатель Чаншу | CM3 Series | CM3-400M/4300B 400A | 4П, 400А, 10тот, thermal-magnetic trip |
- Приложения & Примечания к выбору
- Типичные применения
End protection in low-voltage distribution systems, например, lighting and power distribution in commercial buildings and industrial plants
Three-phase asynchronous motor protection (≤200kW, 380В)
Capacitor bank protection
Small generator outlet protection
- Selection Guidelines
Confirm system voltage (≤600V) и частота (50/60Гц)
Calculate circuit rated current to ensure 400A meets long‑term operation
Evaluate short-circuit level: if >10тот, use higher breaking capacity ABS (25тот) or ABH (35тот) ряд
Consider pole requirement: 4P for neutral protection applications
Confirm mounting (fixed/drawout) and connection direction (передний/задний)
- Особенности продукта & Преимущества
- Экономичный & Practical: ABE series is cost-effective for budget‑limited projects
- Standard Design: Соответствует стандартам МЭК, interchangeable with other brands
- Reliable Protection: Thermal-magnetic trip provides basic overload and short-circuit protection
- Flexible Installation: Supports front/rear wiring and multiple mounting methods
- Complete Accessories: Can be equipped with auxiliary contacts, контакты сигнализации, расцепитель минимального напряжения, и т. д..
- Обслуживание & Поиск неисправностей
- Регулярный осмотр: Inspect appearance and tighten terminals quarterly to avoid looseness or overheating
- Trip Test: Perform manual trip test annually to verify mechanical reliability
- Поиск неисправностей:
Frequent overload tripping: Check load or replace with higher rated model
Short-circuit tripping: Locate and repair short circuit before closing
Failure to close: Check mechanical jam or replace damaged parts
LS ELECTRIC ABE404B-4P-400A is an economy 4-pole MCCB with 400A rated current and 10kA breaking capacity, suitable for low-voltage distribution systems with moderate breaking requirements. For higher breaking capacity, use ABS (25тот) or ABH (35тот) ряд.
Applications of LS ELECTRIC ABE404B-4P-400A MCCB
Core Positioning:
This 4-pole economy MCCB (4П, 400А, 10тот) is mainly used for end protection in low‑voltage distribution systems, especially where neutral protection is required, short-circuit current ≤10kA, and budget is limited.
- Commercial Building Distribution
| Приложение | Suitability | Совет по выбору |
| Main distribution board main breaker | 4P protects 3-phase 4-wire; 400A fits small‑to‑medium commercial buildings | Total load ≤320A (80% duty), short-circuit ≤10kA |
| Main A/C protection | 400A for large central A/C units (≤200kW, 380В) | Match compressor inrush; recommend undervoltage release |
| Emergency lighting | 4P ensures neutral continuity for reliable emergency operation | Use with EPS/UPS; front connection for easy maintenance |
| Elevator room power | 400A for multiple elevators; 4P prevents neutral faults | Install in dedicated cabinet; ensure ventilation |
Typical Cases:
3–5 story office buildings, chain supermarkets, hotels as main or important branch breaker.
- Industrial Plant Applications
- General Machinery
Main breaker for small‑medium production lines: 400A covers multiple branches; 10kA suits general industrial short-circuit levels
Motor group protection: Total power ≤200kW, used with thermal relays for precise protection
Auxiliary equipment: Fans, насосы, компрессоры; 4P for control circuits with neutral
- Specific Industries
Food processing: Cost-effective for light industry; 4P ensures safety and quality
Electronic assembly: 400A for multiple lines; 4P avoids neutral drift affecting precision equipment
Warehouse power: Main breaker for lighting and forklift charging
Warning:
If short-circuit current >10тот, upgrade to LS ABS (25тот) or ABH (35тот).
- Public & Жилые Здания
- Education & Medical
School main distribution: 4P protects lighting, A/C, computer rooms; 400A for whole building
Community hospital: 4P for medical equipment with neutral; economy for primary care
Stadium auxiliary systems: Lighting, audio, seats; 400A for local zones
- Infrastructure
Small wastewater treatment: 400A for pumps and blowers; 4P prevents control system failure
Urban landscape lighting: Main breaker for multi-loop lighting with reliable neutral
Small waste transfer station: 400A for compressors and conveyors; low operating cost
- Специальные приложения
- Capacitor Bank Protection
For capacitor banks ≤100kvar; 4P prevents inrush and short-circuit during switching
Recommend adding SPD for surge protection
- Small Generator Systems
Main breaker for generators ≤300kVA; 4P ensures safe isolation from grid
Used with synchronizing equipment for smooth switch between mains and generator
- Temporary Power
Construction site temporary power main breaker; 400A for cranes, welders
4P suitable for harsh site conditions; prevents electric shock from broken neutral
- Key Selection & Application Criteria
| Factor | Рекомендуется | Не подходит для |
| Уровень короткого замыкания | ≤10kA: suitable; >10тот: use ABS/ABH | High-risk areas (chemical, mining) с >10тот |
| Load type | Resistive & inductive loads (освещение, motors) | Large rectifiers, arc furnaces, high nonlinear loads |
| Earthing system | ТН-С, ТТ-системы (4P neutral protection) | IT systems (operating rooms, мины) |
| Среда | Indoor dry, ≤40°С | Outdoor, damp, explosive areas (needs special enclosure) |
| Operation frequency | Infrequent operation (≤12/day) | Frequent duty (краны, elevator main circuits) |
- Application Advantages
- Экономичный: High cost-performance for budget projects
- Full protection: 4P design covers 3-phase + neutral for modern distribution
- Standard compliance: МЭК 60947-2, interchangeable with major brands
- Flexible installation: Front/rear wiring + 35мм DIN-рейка
- Reliable: Mechanical 8500, электрический 1000 операции
Best Combination:
Use ABE404B-4P-400A as main breaker + LS MCBs for branch protection to form a reliable two‑stage system.
For higher performance or electronic protection, upgrade to ABS (25тот), ABH (35тот), or ABN (электронное путешествие) ряд.
