Контактор,автоматический выключатель,солнечный инвертор,электрический счетчик,солнечные батареи
NXC-185-380V (Заказ №.: 710010100000343)
| Сегмент | Значение | Описание |
| НХС | Серия продуктов | CHINT Kunlun series AC contactor, upgraded compact structure replacing traditional CJX2 series |
| 185 | Номинальный ток | Rated operational current of main contact: 185А (АС-3, 400В) |
| 380В | Напряжение катушки | Rated control coil voltage: AC380В, standard frequency 50Hz |
Supplementary Specifications: 3-столб (3П), 3 normally-open main contacts, 2NO+2NC auxiliary contacts, standard mounting type
- Основные параметры спецификации
| Категория | Технические данные | Примечания |
| Basic Properties | ||
| Тип продукта | Electromagnetic AC Contactor | Kunlun series, replacement for CJX2-1850 |
| Applicable Standards | ГБ/Т 14048.4 / МЭК 60947-4-1 | Compliant with GB 21518 safety standard |
| Номинальное напряжение изоляции | 1000В | Unified standard for specifications above 120A |
| Номинальное рабочее напряжение | 220В~690В | Compatible with various industrial power supply systems |
| Электрические параметры | ||
| Номинальный рабочий ток (Т.е.) | 185А (АС-3, 400В) | Matches motor power around 90kW |
| Rated Making Capacity | 10×Ie (АС-3) | 1850А, reliable load switching |
| Номинальная отключающая способность | 8×Ie (АС-3) | 1480А, safe fault current interruption |
| Параметры катушки | AC380В, 50Гц, power approx. 170Вирджиния | Pick-up/holding power ratio about 3:1 |
| Вспомогательные контакты | 2НО+2НЗ, rated current 5A | Signal transmission for control circuits |
| Mechanical Parameters | ||
| Номер полюса | 3П (3 НЕТ главных контактов) | Стандартная конфигурация, 4P version optional |
| Способ монтажа | Standard 35mm DIN rail / винтовое крепление | Fits mainstream control cabinets |
| Материал корпуса | Flame-retardant engineering plastic | UL94 V0 flame resistance grade |
| Степень защиты | IP20 | Finger-touch safe, indoor cabinet installation only |
| Механическая жизнь | 10,000,000 операции | Long service life, low maintenance frequency |
| Электрическая жизнь | 1,000,000 операции (АС-3) | Suitable for frequent start-stop operation |
| Параметры окружающей среды | ||
| Рабочая температура | -30°С ~ +70°С | Wide temperature range for harsh industrial conditions |
| Температура хранения | -40°С ~ +85°С | Meets storage and transportation requirements |
| Относительная влажность | 5%~95%, неконденсирующийся | Adaptable to humid working environment |
| Высота | ≤2000м | Derating required for higher altitude |
- Cross-brand Replacement Comparison
| Бренд | Модель | Similar Features | Различия |
| ЧИНТ | NXC-185-380V | Reference model | Kunlun series, экономически эффективный, preferred domestic replacement |
| Шнайдер | LC1D18500Q7 | 185А, 3П, 380V coil | Более высокая цена, 1NO+1NC auxiliary contacts |
| АББ | A185-30-11 | 185А, 3П, 380V coil | 1NO+1NC auxiliary contacts, different mounting dimensions |
| Сименс | 3RT2036-1AP00 | 185А, 3П, 380V coil | High price, быстрый ответ, ideal for precision control |
| ДЕЛИКСИ | CDM3-185 | 185А, 3П, 380V coil | Отечественная альтернатива, similar price, slightly lower performance |
Примечания по замене:
- Confirm identical coil voltage, pole number and auxiliary contact configuration before replacement
- Verify mounting hole compatibility among different brands
- Check derating curve matching for high altitude and special environments
- Matching CHINT NXR thermal overload relay is recommended for optimal protection
- Full Series Model List (Core NXC Models)
| Модель | Номинальный ток | Напряжение катушки | Вспомогательный контакт | поляк | Номер заказа. |
| НХС-06-220В | 6А | 220 В переменного тока | 1НО+1НЗ | 3П | 710010100000001 |
| NXC-12-380V | 12А | AC380В | 1НО+1НЗ | 3П | 710010100000002 |
| NXC-18-220V | 18А | 220 В переменного тока | 1НО+1НЗ | 3П | 710010100000003 |
| NXC-25-380V | 25А | AC380В | 1НО+1НЗ | 3П | 710010100000004 |
| NXC-32-220V | 32А | 220 В переменного тока | 1НО+1НЗ | 3П | 710010100000005 |
| NXC-40-380V | 40А | AC380В | 1НО+1НЗ | 3П | 710010100000006 |
| NXC-50-220V | 50А | 220 В переменного тока | 1НО+1НЗ | 3П | 710010100000007 |
| NXC-65-380V | 65А | AC380В | 1НО+1НЗ | 3П | 710010100000008 |
| NXC-80-220V | 80А | 220 В переменного тока | 2НО+2НЗ | 3П | 710010100000009 |
| NXC-100-380V | 100А | AC380В | 2НО+2НЗ | 3П | 710010100000305 |
| NXC-120-220V | 120А | 220 В переменного тока | 2НО+2НЗ | 3П | 710010100000306 |
| NXC-150-380V | 150А | AC380В | 2НО+2НЗ | 3П | 710010100000307 |
| NXC-185-380V | 185А | AC380В | 2НО+2НЗ | 3П | 710010100000343 |
| NXC-225-380V | 225А | AC380В | 2НО+2НЗ | 3П | 710010100000344 |
| NXC-265-380V | 265А | AC380В | 2НО+2НЗ | 3П | 710010100000345 |
Model Extension Rules:
Suffix M: Reversible contactor (например. NXC-25M-220V)
Suffix 4P: 4-полюсный контактор (например. NXC-65-4P-380V)
Suffix Z: катушка постоянного тока (например. NXC-18-24Z)
Auxiliary contact expansion: Max 6NO+6NC with F4-XX auxiliary contact block
- Распространенные неисправности & Поиск неисправностей
| Явление неисправности | Возможные причины | Решения |
| Контактор не втягивается | 1. Abnormal coil voltage | 1. Verify stable 380V power supply |
| 2. Open control circuit | 2. Check wiring and fuse | |
| 3. Сгоревшая катушка | 3. Test coil resistance (normal ~800Ω), replace damaged coil | |
| 4. Mechanical jam | 4. Clean iron core and reset spring | |
| Сильный шум после втягивания | 1. Oil contamination on core surface | 1. Clean contact surface of iron core |
| 2. Broken short-circuit ring | 2. Replace iron core or short-circuit ring | |
| 3. Пониженное напряжение | 3. Ensure voltage ≥85% rated value | |
| Overheated / burned contacts | 1. Excessive load current | 1. Upgrade to higher capacity model |
| 2. Poor contact performance | 2. Clean contacts and adjust contact pressure | |
| 3. Frequent switching | 3. Optimize control logic to reduce unnecessary switching | |
| 4. Failed arc suppression | 4. Inspect and maintain arc shield | |
| Malfunction of auxiliary contacts | 1. Контактное окисление | 1. Polish and clean contacts |
| 2. Contact ablation | 2. Replace auxiliary contact assembly | |
| 3. Ослабленная проводка | 3. Fasten terminal connections | |
| Overheating and burnt coil | 1. Перенапряжение | 1. Keep voltage within rated range |
| 2. Excessive operation frequency | 2. Reduce switching frequency or adopt AC-4 type contactor | |
| 3. Высокая температура окружающей среды | 3. Improve ventilation condition | |
| 4. Stuck iron core | 4. Ensure flexible mechanical movement |
- Соблюдение требований в области авиаперевозок & Сертификаты
- Сертификаты
CE certification, compliant with EU Machinery Directive
cULus certification complying with North American safety standards
CCC compulsory certification of China
RoHS environmental compliance
- Air Transport Regulations
No built-in lithium battery or super capacitor, classified as ordinary industrial electrical equipment
Non-dangerous goods, conforms to IATA DGR Class 9 requirements
Standard industrial packaging, Макс 20 units per carton to avoid collision damage
Recommended marks: FRAGILE, ELECTRICAL EQUIPMENT, KEEP DRY
- Application Environment & Adaptation
Применимые сценарии
Управление промышленным двигателем: Начинать, stop and reverse control of three-phase asynchronous motors below 90kW
Вентилятор & Water Pump System: ОВК, industrial circulating water and sewage aeration equipment control
Compressor Control: Heavy-duty air and refrigeration compressors for AC-3 working condition
Automatic Production Line: Core component for sequence control and interlock protection
Building Electrical System: Центральное кондиционирование, fire water pump and elevator room equipment control
Mining Machinery: Remote control and protection for belt conveyors and crushers
Metallurgical Equipment: Electrical control system for small rolling mills and furnace auxiliary units
Неподходящие сценарии
DC circuit control (Select dedicated NXC-Z series DC contactors)
High-frequency operation over 1200 cycles per hour (AC-4 contactor or solid state relay recommended)
Use above 2000m altitude without power derating
Severe vibration environment over 5g without damping measures
Corrosive gas environment without anti-corrosion protection
- Случаи применения
Случай 1: Central Air Conditioning Control of Large Shopping Mall
Приложение: Control of 3 sets 90kW water chillers and 4 sets 75kW cooling tower fans
Проблемы: 20-30 daily start-stop cycles, high reliability and energy saving requirement
Решение: NXC-185-380V + NXR-185 thermal overload relay + intelligent PLC control system
Result: Trouble-free operation for 2 годы, 30% energy saving with frequency conversion, 50% maintenance cost reduction
Случай 2: Conveyor System for Auto Parts Production Line
Приложение: 12 belt conveyor lines with 75kW driving motor each, sequential start-stop and interlock protection
Проблемы: Multi-motor synchronous control, frequent forward/reverse rotation, oily environment
Решение: NXC-185-380V for main drive + NXC-65-380V for auxiliary drive + safety relay
Result: Precise synchronous operation, IP20 protection against oil contamination, mechanical life up to 8 миллион циклов
- Рекомендации по выбору
Quick Rules
Номинальный ток: NXC-X ranging 6~630A, matching motor power about X/2 kW
Standard coil voltage: 220В / 380В; optional 110V / 24В / 48В
Вспомогательный контакт: 1NO+1NC for ≤80A; 2NO+2NC for ≥100A
Монтаж: Universal 35mm DIN rail for mainstream cabinets
Класс защиты: IP20, indoor cabinet use only, outdoor exposed installation prohibited
Specific Application Scenarios of NXC185-380V
- Управление двигателем
Начинать, stop and reverse control of three-phase asynchronous motors below 90kW
Continuous operation control of constant-load equipment including fans, pumps and compressors
Motor control with operation frequency ≤1200 cycles per hour
- Industrial Automation System
Sequence control and interlock protection of production line facilities
Peripheral equipment control of robot workstations
Stacker and conveyor control in automated warehouses
- Construction & Инфраструктура
Water chiller and cooling tower control for commercial central air conditioning
Fire water pump and exhaust fan control of high-rise buildings
Ventilation system control of underground parking lots
- Энергия & Охрана окружающей среды
Aeration equipment and sludge pump control in sewage treatment plants
Switch control of small photovoltaic inverters and energy storage systems
Control system of waste disposal equipment
- Горное дело & Metallurgy
Belt conveyor and crusher control in mines
Auxiliary equipment control of small metallurgical furnaces
Electrical control system of mineral processing facilities
Restricted Application
DC circuit application
Operation frequency exceeding 1200 cycles per hour
Underrated use at altitude over 2000m
Heavy vibration environment without damping measures
Corrosive gas environment without protective treatment
