Contator,disjuntor,inversor solar,medidor elétrico,baterias solares
NXC-185-380V (Pedido nº.: 710010100000343)
| Segmento | Significado | Descrição |
| NXC | Série de produtos | Contator CA série CHINT Kunlun, estrutura compacta atualizada substituindo a tradicional série CJX2 |
| 185 | Corrente nominal | Rated operational current of main contact: 185UM (AC-3, 400V) |
| 380V | Tensão da bobina | Rated control coil voltage: AC380V, standard frequency 50Hz |
Supplementary Specifications: 3-pólo (3P), 3 normally-open main contacts, 2Contatos auxiliares NO+2NC, standard mounting type
- Parâmetros de especificação principal
| Categoria | Dados Técnicos | Observações |
| Basic Properties | ||
| Tipo de produto | Electromagnetic AC Contactor | Série Kunlun, replacement for CJX2-1850 |
| Padrões Aplicáveis | GB/T 14048.4 / CEI 60947-4-1 | Compliant with GB 21518 safety standard |
| Tensão nominal de isolamento | 1000V | Unified standard for specifications above 120A |
| Tensão operacional nominal | 220V~690V | Compatible with various industrial power supply systems |
| Parâmetros Elétricos | ||
| Corrente Operacional Nominal (Ou seja) | 185UM (AC-3, 400V) | Matches motor power around 90kW |
| Capacidade nominal de fabricação | 10× Ou seja (AC-3) | 1850UM, reliable load switching |
| Capacidade nominal de ruptura | 8× Ou seja (AC-3) | 1480UM, safe fault current interruption |
| Parâmetros da bobina | AC380V, 50Hz, power approx. 170VA | Pick-up/holding power ratio about 3:1 |
| Contatos Auxiliares | 2NÃO+2NC, rated current 5A | Signal transmission for control circuits |
| Parâmetros Mecânicos | ||
| Número do pólo | 3P (3 SEM contatos principais) | Configuração padrão, 4P version optional |
| Método de montagem | Trilho DIN padrão de 35 mm / montagem com parafuso | Fits mainstream control cabinets |
| Material da Habitação | Flame-retardant engineering plastic | UL94 V0 flame resistance grade |
| Grau de Proteção | IP20 | Finger-touch safe, indoor cabinet installation only |
| Vida Mecânica | 10,000,000 operações | Longa vida útil, low maintenance frequency |
| Vida Elétrica | 1,000,000 operações (AC-3) | Suitable for frequent start-stop operation |
| Parâmetros Ambientais | ||
| Temperatura operacional | -30°C ~ +70°C | Wide temperature range for harsh industrial conditions |
| Temperatura de armazenamento | -40°C ~ +85°C | Meets storage and transportation requirements |
| Umidade relativa | 5%~95%, sem condensação | Adaptable to humid working environment |
| Altitude | ≤2000m | Derating required for higher altitude |
- Cross-brand Replacement Comparison
| Marca | Modelo | Similar Features | Diferenças |
| CHINT | NXC-185-380V | Reference model | Série Kunlun, econômico, preferred domestic replacement |
| Schneider | LC1D18500Q7 | 185UM, 3P, 380Bobina V | Preço mais alto, 1NO+1NC auxiliary contacts |
| ABB | A185-30-11 | 185UM, 3P, 380Bobina V | 1NO+1NC auxiliary contacts, different mounting dimensions |
| Siemens | 3RT2036-1AP00 | 185UM, 3P, 380Bobina V | High price, resposta rápida, ideal for precision control |
| DELIXI | CDM3-185 | 185UM, 3P, 380Bobina V | Alternativa doméstica, similar price, slightly lower performance |
Notas de substituição:
- 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)
| Modelo | Corrente nominal | Tensão da bobina | Contato Auxiliar | Pólo | Número do pedido. |
| NXC-06-220V | 6UM | AC220V | 1NÃO+1NC | 3P | 710010100000001 |
| NXC-12-380V | 12UM | AC380V | 1NÃO+1NC | 3P | 710010100000002 |
| NXC-18-220V | 18UM | AC220V | 1NÃO+1NC | 3P | 710010100000003 |
| NXC-25-380V | 25UM | AC380V | 1NÃO+1NC | 3P | 710010100000004 |
| NXC-32-220V | 32UM | AC220V | 1NÃO+1NC | 3P | 710010100000005 |
| NXC-40-380V | 40UM | AC380V | 1NÃO+1NC | 3P | 710010100000006 |
| NXC-50-220V | 50UM | AC220V | 1NÃO+1NC | 3P | 710010100000007 |
| NXC-65-380V | 65UM | AC380V | 1NÃO+1NC | 3P | 710010100000008 |
| NXC-80-220V | 80UM | AC220V | 2NÃO+2NC | 3P | 710010100000009 |
| NXC-100-380V | 100UM | AC380V | 2NÃO+2NC | 3P | 710010100000305 |
| NXC-120-220V | 120UM | AC220V | 2NÃO+2NC | 3P | 710010100000306 |
| NXC-150-380V | 150UM | AC380V | 2NÃO+2NC | 3P | 710010100000307 |
| NXC-185-380V | 185UM | AC380V | 2NÃO+2NC | 3P | 710010100000343 |
| NXC-225-380V | 225UM | AC380V | 2NÃO+2NC | 3P | 710010100000344 |
| NXC-265-380V | 265UM | AC380V | 2NÃO+2NC | 3P | 710010100000345 |
Regras de extensão de modelo:
Suffix M: Contator reversível (por exemplo. NXC-25M-220V)
Suffix 4P: 4-contator de pólo (por exemplo. NXC-65-4P-380V)
Suffix Z: Bobina CC (por exemplo. NXC-18-24Z)
Auxiliary contact expansion: Max 6NO+6NC with F4-XX auxiliary contact block
- Falhas Comuns & Solução de problemas
| Fenômeno de falha | Possíveis causas | Soluções |
| O contator não consegue puxar | 1. Abnormal coil voltage | 1. Verify stable 380V power supply |
| 2. Open control circuit | 2. Check wiring and fuse | |
| 3. Bobina queimada | 3. Test coil resistance (normal ~800Ω), replace damaged coil | |
| 4. Mechanical jam | 4. Clean iron core and reset spring | |
| Barulho alto após o pull-in | 1. Oil contamination on core surface | 1. Clean contact surface of iron core |
| 2. Anel de curto-circuito quebrado | 2. Replace iron core or short-circuit ring | |
| 3. Subtensão | 3. Ensure voltage ≥85% rated value | |
| Overheated / burned contacts | 1. Corrente de carga excessiva | 1. Upgrade to higher capacity model |
| 2. Poor contact performance | 2. Clean contacts and adjust contact pressure | |
| 3. Troca frequente | 3. Optimize control logic to reduce unnecessary switching | |
| 4. Failed arc suppression | 4. Inspect and maintain arc shield | |
| Malfunction of auxiliary contacts | 1. Oxidação de contato | 1. Polish and clean contacts |
| 2. Ablação por contato | 2. Replace auxiliary contact assembly | |
| 3. Fiação solta | 3. Fasten terminal connections | |
| Overheating and burnt coil | 1. Sobretensão | 1. Keep voltage within rated range |
| 2. Excessive operation frequency | 2. Reduce switching frequency or adopt AC-4 type contactor | |
| 3. Alta temperatura ambiente | 3. Improve ventilation condition | |
| 4. Stuck iron core | 4. Ensure flexible mechanical movement |
- Conformidade com frete aéreo & Certificações
- Certificações
Certificação CE, compliant with EU Machinery Directive
cULus certification complying with North American safety standards
CCC compulsory certification of China
RoHS environmental compliance
- Air Transport Regulations
Sem bateria de lítio embutida ou supercapacitor, classified as ordinary industrial electrical equipment
Mercadorias não perigosas, conforms to IATA DGR Class 9 requirements
Standard industrial packaging, máx. 20 units per carton to avoid collision damage
Recommended marks: FRAGILE, ELECTRICAL EQUIPMENT, KEEP DRY
- Ambiente de aplicação & Adaptação
Cenários Aplicáveis
Controle de motores industriais: Começar, stop and reverse control of three-phase asynchronous motors below 90kW
Fã & Water Pump System: AVAC, industrial circulating water and sewage aeration equipment control
Controle do Compressor: 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: Central air conditioning, 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
Cenários inadequados
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
- Casos de aplicação
Caso 1: Central Air Conditioning Control of Large Shopping Mall
Aplicativo: Control of 3 sets 90kW water chillers and 4 sets 75kW cooling tower fans
Challenges: 20-30 daily start-stop cycles, high reliability and energy saving requirement
Solução: NXC-185-380V + NXR-185 thermal overload relay + intelligent PLC control system
Resultado: Trouble-free operation for 2 anos, 30% energy saving with frequency conversion, 50% maintenance cost reduction
Caso 2: Conveyor System for Auto Parts Production Line
Aplicativo: 12 belt conveyor lines with 75kW driving motor each, sequential start-stop and interlock protection
Challenges: Multi-motor synchronous control, frequent forward/reverse rotation, oily environment
Solução: NXC-185-380V for main drive + NXC-65-380V for auxiliary drive + safety relay
Resultado: Precise synchronous operation, IP20 protection against oil contamination, vida mecânica até 8 milhões de ciclos
- Diretrizes de seleção
Quick Rules
Corrente nominal: NXC-X ranging 6~630A, matching motor power about X/2 kW
Standard coil voltage: 220V / 380V; optional 110V / 24V / 48V
Contato auxiliar: 1NO+1NC for ≤80A; 2NO+2NC for ≥100A
Montagem: Universal 35mm DIN rail for mainstream cabinets
Classe de proteção: IP20, indoor cabinet use only, outdoor exposed installation prohibited
Specific Application Scenarios of NXC185-380V
- Controle Motor
Começar, stop and reverse control of three-phase asynchronous motors below 90kW
Continuous operation control of constant-load equipment including fans, bombas e compressores
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
- Construção & Infraestrutura
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
- Energia & Proteção Ambiental
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
- Mineração & Metalurgia
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
