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| Segmento de modelo | Descripción |
| NXC | Código de serie del producto: Contactor de CA serie CHINT KunLun, upgraded replacement for traditional CJX2 series |
| 65 | Corriente operativa nominal: 65A (under AC-3, 400V) |
| A | Código de configuración: Tipo estándar (no suffix = standard; suffix /N = reversing type) |
| Common Suffix | Código de voltaje de la bobina: 220V / 380V / 110V / 24V, p.ej. NXC-65 220V |
Full Model Example:
NXC-65 220V 50Hz = CHINT KunLun 65A AC contactor, voltaje de la bobina 220V, 50Hz, configuración estándar
Typical Order No.: 710010100000281 (NXC-65 220V 50Hz, 1NO+1NC)
- Main Technical Data
| Categoría | Presupuesto | Observaciones |
| Información básica | ||
| Marca / Serie | CHINT Electric / KunLun NXC Series | Compact structure, direct replacement for CJX2-65 |
| Tipo de producto | 3-phase AC Contactor | For frequent motor starting & remote circuit switching |
| Estándares de cumplimiento | GB/T 14048.1 / CEI 60947-1, GB/T 14048.4 / CEI 60947-4-1 | International certified, safe and reliable |
| Electrical Data | ||
| Corriente de funcionamiento nominal (Es decir) | 65A (AC-3, 400V) | Main contact rated current |
| Tensión de funcionamiento nominal (ue) | 380V / 400V (50Hz) | Standard industrial grid voltage |
| Tensión nominal de aislamiento (interfaz de usuario) | 690V | Max withstand voltage of insulation system |
| Tensión nominal de resistencia al impulso (árbitro) | 8kV | Overvoltage protection capability |
| Control Coil Voltage | Optional AC 24V / 36V / 110V / 220V / 380V | Selected according to control system |
| Frecuencia de la bobina | 50 / 60Hz | Global grid compatibility |
| Rated Operating Frequency | 1200 cycles/h (AC-3) | High frequent operation capability |
| Capacidad de ruptura | 10× rated current | Short-circuit withstand capability |
| Configuración de contacto | ||
| Contactos principales | 3NO (3-polo normalmente abierto) | Standard for main power circuit |
| Contactos auxiliares | 1NO + 1CAROLINA DEL NORTE | Expandable on request |
| Auxiliary Contact Rating | 5A / 220V y | For control signal circuits |
| Características físicas | ||
| Dimensiones (Ancho×Alto×Profundidad) | 90mm × 150mm × 105mm | Compacto, space-saving |
| Peso | Aprox.. 0.8kilos | Lightweight for easy installation |
| Montaje | Carril DIN estándar de 35 mm / montaje con tornillos | Snap-on design, fast assembly |
| Clase de protección | IP20 | Suitable for cabinet installation |
| Temperatura de funcionamiento | -30℃ ~ +60℃ | Wide temperature range for harsh environments |
| Temperatura de almacenamiento | -25℃ ~ +40℃ | Suitable for transportation & warehouse storage |
| Electromagnetic Performance | ||
| Coil Power | Aprox.. 180Virginia (pick-up) / 25Virginia (tenencia) | Low power consumption, ahorro de energía |
| Voltaje de caída | 30% ~ 70% of rated voltage | Reliable disconnection |
| Sistema electromagnético | Optimized silicon steel lamination (32-piece core) | Smooth closure, low noise & loss |
| Características de seguridad | ||
| Certificaciones | CE, CCC | Doméstico & international compliance |
| Arc Extinction | Multi-channel magnetic blow-out arc suppression | High breaking performance |
| Funciones de protección | sobrecorriente, calentamiento excesivo, undervoltage protection | Comprehensive equipment & protección de circuito |
- Accessory List
| Accesorio | Modelo | Función | Mounting Position |
| Auxiliary Contact Block | AX-3M/20 (2NO), AX-3M/02 (2CAROLINA DEL NORTE), AX-3M/11 (1NO+1NC) | Expand auxiliary contacts for complex logic | Top front |
| Time Delay Module | F5-08 (0.1~30s), F5-11 (0.1~180s) | On-delay / off-delay control | Arriba |
| Surge Suppressor | SR2-220, SR2-380 | Suppress coil surge voltage | Abajo |
| Enclavamiento mecánico | NXC-IL | Prevent phase short circuit for reversing contactor (NXC-65/N) | Side |
| Mounting Rail | 35carril DIN estándar mm | Fixed installation | Inside control cabinet |
| Terminal Protection Cover | Standard equipped | Anti-touch protection | Main & auxiliary terminals |
| Mounting Screws | M4×12mm | Screw fixing | Base mounting holes |
| Operation Manual | Electrónico / hard copy | Instalación, commissioning & maintenance guide | — |
| Coil Connector | Opcional | Fast coil wiring & reemplazo | Coil terminal side |
- Cross-Brand Equivalent & Reemplazo
| Marca | Serie | Modelo | Corriente nominal | Diferencias | Replacement Compatibility |
| CHINT | CJX2 | CJX2-6511 | 65A | Old generation; NXC is fully upgraded version | Direct full replacement (same mounting size) |
| Schneider | TeSysD | LC1D65M7C | 65A | Import brand, higher cost, similar functions | Alto (verify mounting & contactos auxiliares) |
| siemens | 3RT | 3RT2026-1BB40 | 65A | Diseño modular, hot-swap support | Medio (different dimension & wiring) |
| TEJIDO | AF | AF65-30-11 | 65A | Wide-voltage coil, global application | Medio (needs position adjustment) |
| mitsubishi | S-N | S-N65 | 65A | Compact Japanese design, precio moderado | Medio (different terminal layout) |
| Changshu | CK3 | CK3-65 | 65A | Domestic equivalent, same performance | Alto (fully compatible size & montaje) |
- Funciones principales & Aplicaciones
Funciones principales
- High-efficiency Electromagnetic System: Optimized core structure for stable closure, low noise and low energy consumption.
- Highly Reliable Arc Suppression: Magnetic blow-out technology with 10× rated breaking capacity for higher safety.
- Expansión flexible: Soporta contactos auxiliares, timer modules and surge suppressors for customized control.
- Fácil instalación: Snap-on DIN rail mounting for fast assembly and maintenance.
- Wide Temperature Adaptation: Stable operation from -30℃ to +60℃ for various industrial environments.
Aplicaciones típicas
- Control de motores: Frequent start/stop/reverse of 3-phase asynchronous motors (aprox. 30kW @ 400V).
- Automatización Industrial: Production lines, transportadores, fans, water pumps and general machinery.
- Electricidad del edificio: sistemas de climatización, fire water pumps, elevator auxiliary circuits.
- Machine Tools: Spindle control for milling machines, drilling machines and small machining centers.
- Power Distribution: Combined with thermal overload relays (Serie NR2) for complete motor protection starters.
- Notas complementarias
- Product Upgrade: The NXC KunLun series fully replaces the traditional CJX2 series with improved mechanical structure, electromagnetic performance and expandability.
- Directrices de selección:
Select current rating according to motor power (65A matches approx. 30kW motor).
Confirm coil voltage (220V / 380V most common).
Expand auxiliary contacts via AX series modules if signal points are insufficient.
- Consejos de mantenimiento:
Comprobar periódicamente el desgaste de los contactos; replace contacts when excessive contact resistance occurs.
Keep the contactor clean from dust and moisture.
Apply periodic energization (1–2 times monthly) for long-term idle equipment to prevent coil dampness.
CHINT Contactor Full Series List
- Product Series Overview
| Serie | Posicionamiento | Rango actual | Características | Replacement Relation |
| NXC | KunLun Main Series | 6A ~ 630A | Compacto, modular, high cost-performance | Full replacement for CJX2 |
| NC5 | High-performance Intelligent Series | 9A ~ 630A | Smart control, ahorro de energía, alta estabilidad | High-end alternative to NXC |
| CJX2 | Classic Traditional Series | 9A ~ 95A | Mature model, rentable | Gradually phased out by NXC |
| NXCF | Slim Compact Series | 9A ~ 32A | Ultra-thin, space-saving | Small cabinet & compact installation |
| NC8 | Heavy-duty Industrial Series | 9A ~ 500A | High mechanical life, strong arc resistance | Frequent start-stop working conditions |
| NXCC | Capacitor Switching Contactor | 16A ~ 100A | Inrush current suppression, reactive power compensation dedicated | Capacitor bank control |
| NCH8 | Familiar & Building Series | 16A ~ 63A | Miniature size, building automation | Iluminación, climatización & residential control |
| CJ40 / CJ20 | High-power Heavy Series | 100A ~ 630A | Heavy-load design for large motors | Heavy industrial equipment |
- NXC KunLun Series Main Model List (AC-3 400V)
| Corriente nominal | Standard Model | Reversing Model | Standard Aux. Contacto | Matched Motor Power | Número de pedido. |
| 6A | NXC-06METRO | — | 1NO+1NC | 0.75kilovatios | 710010100000276 |
| 9A | NXC-09 | NXC-09/norte | 1NO+1NC | 1.5kilovatios | 710010100000277 |
| 12A | NXC-12 | NXC-12/N | 1NO+1NC | 2.2kilovatios | 710010100000278 |
| 18A | NXC-18 | NXC-18/N | 1NO+1NC | 3kilovatios | 710010100000279 |
| 25A | NXC-25 | NXC-25/N | 1NO+1NC | 5.5kilovatios | 710010100000280 |
| 32A | NXC-32 | NXC-32/N | 1NO+1NC | 7.5kilovatios | 710010100000281 |
| 40A | NXC-40 | NXC-40/N | 1NO+1NC | 11kilovatios | 710010100000282 |
| 50A | NXC-50 | NXC-50/N | 1NO+1NC | 15kilovatios | 710010100000283 |
| 65A | NXC-65 | NXC-65/N | 1NO+1NC | 30kilovatios | 710010100000284 |
| 80A | NXC-80 | NXC-80/N | 1NO+1NC | 37kilovatios | 710010100000285 |
| 95A | NXC-95 | NXC-95/N | 1NO+1NC | 45kilovatios | 710010100000286 |
| 100A | NXC-100 | NXC-100/N | 2NO+2NC | 55kilovatios | 710010100000287 |
| 120A | NXC-120 | NXC-120/N | 2NO+2NC | 75kilovatios | 710010100000288 |
| 160A | NXC-160 | NXC-160/N | 2NO+2NC | 90kilovatios | 710010100000289 |
| 200A | NXC-200 | NXC-200/N | 2NO+2NC | 110kilovatios | 710010100000290 |
| 250A | NXC-250 | NXC-250/N | 2NO+2NC | 132kilovatios | 710010100000291 |
| 315A | NXC-315 | NXC-315/N | 2NO+2NC | 160kilovatios | 710010100000292 |
| 400A | NXC-400 | NXC-400/N | 2NO+2NC | 200kilovatios | 710010100000293 |
| 500A | NXC-500 | NXC-500/N | 2NO+2NC | 250kilovatios | 710010100000294 |
| 630A | NXC-630A | NXC-630A/N | 2NO+2NC | 315kilovatios | 710010100000295 |
- NC5 High-performance Series
Model Rule
NC5-[Actual][Tipo][Voltaje de la bobina]
– Tipo: Estándar / E=Economy / NE=Intelligent / F=Reversing
| Rango actual | Estándar | Inteligente | Reversing | Aux. Contacto | Voltaje de aislamiento |
| 9A~38A | NC5-09~38 | NC5NE-09~38 | NC5F-09~38 | 1NO+1NC | 690V |
| 40A~100A | NC5-40~100 | NC5NE-40~100 | NC5F-40~100 | 1NO+1NC | 690V |
| 115A~250A | NC5-115~250 | NC5NE-115~250 | NC5F-115~250 | 2NO+2NC | 1000V |
| 315~630A | NC5-315~630 | NC5NE-315~630 | NC5F-315~630 | 2NO+2NC | 1000V |
- Classic CJX2 Series
| Actual | Modelo | Aux. Contacto | Matched Motor |
| 9A | CJX2-0910 / 0901 / 0911 | 1NO / 1CAROLINA DEL NORTE / 1NO+1NC | 1.5kilovatios |
| 12A | CJX2-1210 / 1201 / 1211 | 1NO / 1CAROLINA DEL NORTE / 1NO+1NC | 2.2kilovatios |
| 18A | CJX2-1810 / 1801 / 1811 | 1NO / 1CAROLINA DEL NORTE / 1NO+1NC | 3kilovatios |
| 25A | CJX2-2510 / 2501 / 2511 | 1NO / 1CAROLINA DEL NORTE / 1NO+1NC | 5.5kilovatios |
| 32A | CJX2-3210 / 3201 / 3211 | 1NO / 1CAROLINA DEL NORTE / 1NO+1NC | 7.5kilovatios |
| 40A | CJX2-4010 / 4001 / 4011 | 1NO / 1CAROLINA DEL NORTE / 1NO+1NC | 11kilovatios |
| 50A | CJX2-5010 / 5001 / 5011 | 1NO / 1CAROLINA DEL NORTE / 1NO+1NC | 15kilovatios |
| 65A | CJX2-6510 / 6501 / 6511 | 1NO / 1CAROLINA DEL NORTE / 1NO+1NC | 30kilovatios |
| 80A | CJX2-8010 / 8001 / 8011 | 1NO / 1CAROLINA DEL NORTE / 1NO+1NC | 37kilovatios |
| 95A | CJX2-9510 / 9501 / 9511 | 1NO / 1CAROLINA DEL NORTE / 1NO+1NC | 45kilovatios |
- Other Special Series
NXCF Slim Series
| Actual | Modelo | Ancho | Aux. Contacto |
| 9A | NXCF-09 | 22.5milímetros | 1NO+1NC |
| 12A | NXCF-12 | 22.5milímetros | 1NO+1NC |
| 16A | NXCF-16 | 22.5milímetros | 1NO+1NC |
| 25A | NXCF-25 | 36milímetros | 1NO+1NC |
| 32A | NXCF-32 | 36milímetros | 1NO+1NC |
NC8 Heavy-duty Series
| Actual | Modelo | polacos | Vida mecánica |
| 9A~38A | NC8-09~38 | 3PAG | 10 millones de ciclos |
| 40A~100A | NC8-40~100 | 3PAG | 10 millones de ciclos |
| 115A~500A | NC8-115~500 | 3P/4P | 8 millones de ciclos |
NXCC Capacitor Contactor
| Actual | Modelo | Suppression Type | Capacitor Rating |
| 16A | NXCC-16 | Series resistor | 10kvar |
| 25A | NXCC-25 | Series resistor | 15kvar |
| 32A | NXCC-32 | Series resistor | 20kvar |
| 40A | NXCC-40 | Series resistor | 25kvar |
| 50A | NXCC-50 | Series resistor | 30kvar |
| 63A | NXCC-63 | Series resistor | 40kvar |
| 80A | NXCC-80 | Series resistor | 50kvar |
| 100A | NXCC-100 | Series resistor | 60kvar |
NCH8 Building / Contactor doméstico
| Modelo | polacos | Actual | Solicitud |
| NCH8-16M | 2PAG | 16A | Smart home control |
| NCH8-25M | 2PAG | 25A | Air conditioning control |
| NCH8-32M | 2PAG | 32A | Small water pump |
| NCH8-40M | 2PAG | 40A | Floor heating system |
| NCH8-63M | 2PAG | 63A | Building lighting |
- Universal Accessories
| Accesorio | Modelo | Applicable Series |
| Auxiliary Contact Block | AX-3M Series | NXC / NC5 / CJX2 |
| Time Delay Module | F5 Series | Full series |
| Coil Surge Suppressor | SR2 Series | Full series |
| Enclavamiento mecánico | NXC-IL / NC5-IL | Reversing contactor |
| Relé de sobrecarga térmica | NR2 / NR5 Series | Motor protection combination |
| 35mm carril DIN | Tipo estándar | Full cabinet-mounted contactors |
- Selección & Guía de reemplazo
- Series Selection
Nuevo proyecto: Adopt NXC KunLun series as priority.
Intelligent control: Choose NC5NE intelligent contactor.
Compact cabinet: Use ultra-thin NXCF.
Reactive power compensation: Special NXCC capacitor contactor.
- Selección actual
Rated current ≥ motor rated current × 1.1 (normal duty).
Frequent operation ≥ motor current × 1.25.
- Voltaje de la bobina
Match control circuit voltage: CA 220 V. / AC380V most common; safety low-voltage 24V/36V optional.
- Contactos auxiliares
Expandable via external auxiliary blocks when signal points are insufficient.
Reversing circuit must adopt mechanical interlock type.
![NXC-65 from the Kunlun Series by CHINT Electric is a 3-pole AC contactor, rated at 65A in the NXC series. The full model is typically expressed as NXC-65 [Coil Voltage] [Frequency]](https://www.bestcontactor.com/wp-content/uploads/2026/04/ScreenShot_2026-01-30_132315_324-419x560.png "NXC-65 de la serie Kunlun de CHINT Electric es un contactor de CA de 3 polos, nominal de 65 A en la serie NXC. El modelo completo normalmente se expresa como NXC-65 [Voltaje de la bobina] [Frecuencia]")
