| Segment de modèle | Description |
| NXC | Product series code: CHINT KunLun series AC contactor, upgraded replacement for traditional CJX2 series |
| 65 | Rated operational current: 65UN (sous AC-3, 400V) |
| UN | Code de configuration: Modèle standard (no suffix = standard; suffix /N = reversing type) |
| Common Suffix | Coil voltage code: 220V / 380V / 110V / 24V, par exemple. NXC-65 220V |
Full Model Example:
NXC-65 220V 50Hz = CHINT KunLun 65A AC contactor, coil voltage 220V, 50Hz, configuration standard
Typical Order No.: 710010100000281 (NXC-65 220V 50Hz, 1NON+1NC)
- Main Technical Data
| Catégorie | Caractéristiques | Remarques |
| Informations de base | ||
| Marque / Série | CHINT Electric / KunLun NXC Series | Structure compacte, direct replacement for CJX2-65 |
| Type de produit | 3-phase AC Contactor | For frequent motor starting & remote circuit switching |
| Normes de conformité | GB/T 14048.1 / CEI 60947-1, GB/T 14048.4 / CEI 60947-4-1 | International certified, sûr et fiable |
| Electrical Data | ||
| Courant de fonctionnement nominal (C'est à dire) | 65UN (AC-3, 400V) | Main contact rated current |
| Tension de fonctionnement nominale (Ue) | 380V / 400V (50Hz) | Standard industrial grid voltage |
| Tension d'isolation nominale (Interface utilisateur) | 690V | Max withstand voltage of insulation system |
| Tension de tenue aux impulsions nominale (Ump) | 8kV | Overvoltage protection capability |
| Tension de la bobine de commande | Optional AC 24V / 36V / 110V / 220V / 380V | Selected according to control system |
| Coil Frequency | 50 / 60Hz | Global grid compatibility |
| Rated Operating Frequency | 1200 cycles/h (AC-3) | High frequent operation capability |
| Capacité de coupure | 10× rated current | Short-circuit withstand capability |
| Configuration des contacts | ||
| Contacts principaux | 3NON (3-pole normally open) | Standard for main power circuit |
| Contacts auxiliaires | 1NON + 1Caroline du Nord | Expandable on request |
| Auxiliary Contact Rating | 5UN / 220V et | For control signal circuits |
| Caractéristiques physiques | ||
| Dimensions (L×H×P) | 90mm × 150mm × 105mm | Compact, space-saving |
| Poids | Environ. 0.8kilos | Lightweight for easy installation |
| Montage | Rail DIN standard de 35 mm / montage à vis | Snap-on design, fast assembly |
| Classe de protection | IP20 | Suitable for cabinet installation |
| Température de fonctionnement | -30℃ ~ +60℃ | Wide temperature range for harsh environments |
| Température de stockage | -25℃ ~ +40℃ | Suitable for transportation & warehouse storage |
| Electromagnetic Performance | ||
| Puissance de la bobine | Environ. 180Virginie (pick-up) / 25Virginie (holding) | Faible consommation d'énergie, économie d'énergie |
| Drop-out Voltage | 30% ~ 70% de tension nominale | Reliable disconnection |
| Système électromagnétique | Optimized silicon steel lamination (32-piece core) | Smooth closure, faible bruit & loss |
| Caractéristiques de sécurité | ||
| Certifications | CE, CCC | Domestique & international compliance |
| Arc Extinction | Multi-channel magnetic blow-out arc suppression | High breaking performance |
| Fonctions de protection | Surintensité, surchauffe, undervoltage protection | Comprehensive equipment & circuit protection |
- Accessory List
| Accessoire | Modèle | Fonction | Mounting Position |
| Auxiliary Contact Block | AX-3M/20 (2NON), AX-3M/02 (2Caroline du Nord), AX-3M/11 (1NON+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 | Haut |
| Surge Suppressor | SR2-220, SR2-380 | Suppress coil surge voltage | Bas |
| Verrouillage mécanique | NXC-IL | Prevent phase short circuit for reversing contactor (NXC-65/N) | Side |
| Mounting Rail | 35Rail DIN standard de mm | Fixed installation | Inside control cabinet |
| Terminal Protection Cover | Standard equipped | Anti-touch protection | Main & auxiliary terminals |
| Mounting Screws | M4×12mm | Fixation par vis | Base mounting holes |
| Operation Manual | Électronique / hard copy | Installation, commissioning & maintenance guide | — |
| Coil Connector | Facultatif | Fast coil wiring & replacement | Coil terminal side |
- Cross-Brand Equivalent & Remplacement
| Marque | Série | Modèle | Courant nominal | Différences | Compatibilité de remplacement |
| CHINT | CJX2 | CJX2-6511 | 65UN | Old generation; NXC is fully upgraded version | Direct full replacement (same mounting size) |
| Schneider | TeSys D | LC1D65M7C | 65UN | Import brand, coût plus élevé, similar functions | Haut (verify mounting & contacts auxiliaires) |
| Siemens | 3RT | 3RT2026-1BB40 | 65UN | Conception modulaire, hot-swap support | Moyen (different dimension & câblage) |
| ABB | DE | AF65-30-11 | 65UN | Wide-voltage coil, global application | Moyen (needs position adjustment) |
| Mitsubishi | S-N | S-N65 | 65UN | Compact Japanese design, moderate price | Moyen (different terminal layout) |
| Changshu | CK3 | CK3-65 | 65UN | Domestic equivalent, same performance | Haut (fully compatible size & montage) |
- Fonctions principales & Applications
Fonctions 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.
- Expansion flexible: Supports auxiliary contacts, timer modules and surge suppressors for customized control.
- Installation facile: Snap-on DIN rail mounting for fast assembly and maintenance.
- Wide Temperature Adaptation: Stable operation from -30℃ to +60℃ for various industrial environments.
Applications typiques
- Contrôle du moteur: Frequent start/stop/reverse of 3-phase asynchronous motors (environ. 30kW @ 400V).
- Automatisation industrielle: Production lines, convoyeurs, les fans, water pumps and general machinery.
- Building Electrical: Systèmes CVC, fire water pumps, elevator auxiliary circuits.
- Machine Tools: Spindle control for milling machines, drilling machines and small machining centers.
- Power Distribution: Combiné avec des relais de surcharge thermique (série NR2) for complete motor protection starters.
- Notes complémentaires
- Product Upgrade: The NXC KunLun series fully replaces the traditional CJX2 series with improved mechanical structure, electromagnetic performance and expandability.
- Lignes directrices de sélection:
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.
- Conseils d'entretien:
Regularly check contact wear; 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
| Série | Positionnement | Plage actuelle | Caractéristiques | Replacement Relation |
| NXC | KunLun Main Series | 6A ~ 630A | Compact, modular, high cost-performance | Full replacement for CJX2 |
| NC5 | High-performance Intelligent Series | 9A ~ 630A | Smart control, économie d'énergie, haute stabilité | 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 | Household & Building Series | 16A ~ 63A | Taille miniature, building automation | Éclairage, CVC & 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)
| Courant nominal | Standard Model | Reversing Model | Standard Aux. Contact | Matched Motor Power | Numéro de commande. |
| 6UN | NXC-06M. | — | 1NON+1NC | 0.75kW | 710010100000276 |
| 9UN | NXC-09 | NXC-09/N | 1NON+1NC | 1.5kW | 710010100000277 |
| 12UN | NXC-12 | NXC-12/N | 1NON+1NC | 2.2kW | 710010100000278 |
| 18UN | NXC-18 | NXC-18/N | 1NON+1NC | 3kW | 710010100000279 |
| 25UN | NXC-25 | NXC-25/N | 1NON+1NC | 5.5kW | 710010100000280 |
| 32UN | NXC-32 | NXC-32/N | 1NON+1NC | 7.5kW | 710010100000281 |
| 40UN | NXC-40 | NXC-40/N | 1NON+1NC | 11kW | 710010100000282 |
| 50UN | NXC-50 | NXC-50/N | 1NON+1NC | 15kW | 710010100000283 |
| 65UN | NXC-65 | NXC-65/N | 1NON+1NC | 30kW | 710010100000284 |
| 80UN | NXC-80 | NXC-80/N | 1NON+1NC | 37kW | 710010100000285 |
| 95UN | NXC-95 | NXC-95/N | 1NON+1NC | 45kW | 710010100000286 |
| 100UN | NXC-100 | NXC-100/N | 2NON+2NC | 55kW | 710010100000287 |
| 120UN | NXC-120 | NXC-120/N | 2NON+2NC | 75kW | 710010100000288 |
| 160UN | NXC-160 | NXC-160/N | 2NON+2NC | 90kW | 710010100000289 |
| 200UN | NXC-200 | NXC-200/N | 2NON+2NC | 110kW | 710010100000290 |
| 250UN | NXC-250 | NXC-250/N | 2NON+2NC | 132kW | 710010100000291 |
| 315UN | NXC-315 | NXC-315/N | 2NON+2NC | 160kW | 710010100000292 |
| 400UN | NXC-400 | NXC-400/N | 2NON+2NC | 200kW | 710010100000293 |
| 500UN | NXC-500 | NXC-500/N | 2NON+2NC | 250kW | 710010100000294 |
| 630UN | NXC-630A | NXC-630A/N | 2NON+2NC | 315kW | 710010100000295 |
- NC5 High-performance Series
Model Rule
NC5-[Actuel][Taper][Tension de bobine]
– Taper: Standard / E=Economy / NE=Intelligent / F=Reversing
| Plage actuelle | Standard | Intelligent | Reversing | Aux. Contact | Tension d'isolation |
| 9A~38A | NC5-09~38 | NC5NE-09~38 | NC5F-09~38 | 1NON+1NC | 690V |
| 40A~100A | NC5-40~100 | NC5NE-40~100 | NC5F-40~100 | 1NON+1NC | 690V |
| 115A~250A | NC5-115~250 | NC5NE-115~250 | NC5F-115~250 | 2NON+2NC | 1000V |
| 315A~630A | NC5-315~630 | NC5NE-315~630 | NC5F-315~630 | 2NON+2NC | 1000V |
- Classic CJX2 Series
| Actuel | Modèle | Aux. Contact | Matched Motor |
| 9UN | CJX2-0910 / 0901 / 0911 | 1NON / 1Caroline du Nord / 1NON+1NC | 1.5kW |
| 12UN | CJX2-1210 / 1201 / 1211 | 1NON / 1Caroline du Nord / 1NON+1NC | 2.2kW |
| 18UN | CJX2-1810 / 1801 / 1811 | 1NON / 1Caroline du Nord / 1NON+1NC | 3kW |
| 25UN | CJX2-2510 / 2501 / 2511 | 1NON / 1Caroline du Nord / 1NON+1NC | 5.5kW |
| 32UN | CJX2-3210 / 3201 / 3211 | 1NON / 1Caroline du Nord / 1NON+1NC | 7.5kW |
| 40UN | CJX2-4010 / 4001 / 4011 | 1NON / 1Caroline du Nord / 1NON+1NC | 11kW |
| 50UN | CJX2-5010 / 5001 / 5011 | 1NON / 1Caroline du Nord / 1NON+1NC | 15kW |
| 65UN | CJX2-6510 / 6501 / 6511 | 1NON / 1Caroline du Nord / 1NON+1NC | 30kW |
| 80UN | CJX2-8010 / 8001 / 8011 | 1NON / 1Caroline du Nord / 1NON+1NC | 37kW |
| 95UN | CJX2-9510 / 9501 / 9511 | 1NON / 1Caroline du Nord / 1NON+1NC | 45kW |
- Other Special Series
NXCF Slim Series
| Actuel | Modèle | Largeur | Aux. Contact |
| 9UN | NXCF-09 | 22.5mm | 1NON+1NC |
| 12UN | NXCF-12 | 22.5mm | 1NON+1NC |
| 16UN | NXCF-16 | 22.5mm | 1NON+1NC |
| 25UN | NXCF-25 | 36mm | 1NON+1NC |
| 32UN | NXCF-32 | 36mm | 1NON+1NC |
NC8 Heavy-duty Series
| Actuel | Modèle | Poteaux | Durée de vie mécanique |
| 9A~38A | NC8-09~38 | 3P. | 10 millions de cycles |
| 40A~100A | NC8-40~100 | 3P. | 10 millions de cycles |
| 115A~500A | NC8-115~500 | 3P/4P | 8 millions de cycles |
NXCC Capacitor Contactor
| Actuel | Modèle | Suppression Type | Capacitor Rating |
| 16UN | NXCC-16 | Series resistor | 10kvar |
| 25UN | NXCC-25 | Series resistor | 15kvar |
| 32UN | NXCC-32 | Series resistor | 20kvar |
| 40UN | NXCC-40 | Series resistor | 25kvar |
| 50UN | NXCC-50 | Series resistor | 30kvar |
| 63UN | NXCC-63 | Series resistor | 40kvar |
| 80UN | NXCC-80 | Series resistor | 50kvar |
| 100UN | NXCC-100 | Series resistor | 60kvar |
NCH8 Building / Household Contactor
| Modèle | Poteaux | Actuel | Application |
| NCH8-16M | 2P. | 16UN | Smart home control |
| NCH8-25M | 2P. | 25UN | Air conditioning control |
| NCH8-32M | 2P. | 32UN | Small water pump |
| NCH8-40M | 2P. | 40UN | Floor heating system |
| NCH8-63M | 2P. | 63UN | Building lighting |
- Universal Accessories
| Accessoire | Modèle | 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 |
| Verrouillage mécanique | NXC-IL / NC5-IL | Reversing contactor |
| Relais de surcharge thermique | NR2 / NR5 Series | Motor protection combination |
| 35mm Rail DIN | Modèle standard | Full cabinet-mounted contactors |
- Sélection & Guide de remplacement
- Series Selection
Nouveau projet: 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.
- Sélection actuelle
Rated current ≥ motor rated current × 1.1 (service normal).
Frequent operation ≥ motor current × 1.25.
- Tension de bobine
Match control circuit voltage: AC220V / AC380V most common; safety low-voltage 24V/36V optional.
- Contacts auxiliaires
Expandable via external auxiliary blocks when signal points are insufficient.
Reversing circuit must adopt mechanical interlock type.
Contacteur,disjoncteur,onduleur solaire,compteur électrique,batteries solaires








![Le NXC-65 de la série Kunlun de CHINT Electric est un contacteur CA tripolaire, évalué à 65A dans la série NXC. Le modèle complet est généralement exprimé sous la forme NXC-65 [Tension de bobine] [Fréquence] 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)









NH42-63-318x560.png)



