| Segmentul de model | Descriere |
| NXC | Cod seria produsului: CHINT KunLun series AC contactor, upgraded replacement for traditional CJX2 series |
| 65 | Rated operational current: 65O (under AC-3, 400V) |
| O | Configuration code: Tip standard (no suffix = standard; suffix /N = reversing type) |
| Common Suffix | Coil voltage code: 220V / 380V / 110V / 24V, de ex. NXC-65 220V |
Full Model Example:
NXC-65 220V 50Hz = CHINT KunLun 65A AC contactor, coil voltage 220V, 50Hz, configurație standard
Typical Order No.: 710010100000281 (NXC-65 220V 50Hz, 1NU+1NC)
- Main Technical Data
| Categorie | Specificații | Observații |
| Informații de bază | ||
| Marca / Serie | CHINT Electric / KunLun NXC Series | Structură compactă, direct replacement for CJX2-65 |
| Tip de produs | 3-phase AC Contactor | For frequent motor starting & remote circuit switching |
| Standarde de conformitate | GB/T 14048.1 / IEC 60947-1, GB/T 14048.4 / IEC 60947-4-1 | International certified, sigur și de încredere |
| Electrical Data | ||
| Curent nominal de operare (Ie) | 65O (AC-3, 400V) | Main contact rated current |
| Tensiune nominală de operare (Ue) | 380V / 400V (50Hz) | Standard industrial grid voltage |
| Tensiune nominală de izolație (Ui) | 690V | Max withstand voltage of insulation system |
| Tensiune nominală de rezistență la impuls (Ump) | 8kV | Overvoltage protection capability |
| Tensiunea bobinei de control | Optional AC 24V / 36V / 110V / 220V / 380V | Selected according to control system |
| Frecvența bobinei | 50 / 60Hz | Global grid compatibility |
| Frecvența nominală de operare | 1200 cycles/h (AC-3) | High frequent operation capability |
| Capacitate de rupere | 10× curent nominal | Short-circuit withstand capability |
| Configurare contact | ||
| Contacte principale | 3NU (3-stâlp deschis în mod normal) | Standard for main power circuit |
| Contacte auxiliare | 1NU + 1NC | Expandable on request |
| Auxiliary Contact Rating | 5O / 220V și | For control signal circuits |
| Caracteristici fizice | ||
| Dimensiuni (L×A×D) | 90mm × 150mm × 105mm | Compact, space-saving |
| Greutate | Aproximativ. 0.8kg | Lightweight for easy installation |
| Montare | Sina DIN standard de 35 mm / montare cu șuruburi | Snap-on design, fast assembly |
| Clasa de protectie | IP20 | Suitable for cabinet installation |
| Temperatura de operare | -30℃ ~ +60℃ | Wide temperature range for harsh environments |
| Temperatura de depozitare | -25℃ ~ +40℃ | Suitable for transportation & warehouse storage |
| Electromagnetic Performance | ||
| Puterea bobinei | Aproximativ. 180VA (pick-up) / 25VA (deţinere) | Consum redus de energie, energy-saving |
| Drop-out Voltage | 30% ~ 70% a tensiunii nominale | Reliable disconnection |
| Electromagnetic System | Optimized silicon steel lamination (32-piece core) | Smooth closure, low noise & loss |
| Safety Features | ||
| Certificari | CE, CCC | Intern & international compliance |
| Arc Extinction | Multi-channel magnetic blow-out arc suppression | High breaking performance |
| Funcții de protecție | Overcurrent, supraîncălzire, undervoltage protection | Comprehensive equipment & circuit protection |
- Accessory List
| Accessory | Model | Funcţie | Mounting Position |
| Auxiliary Contact Block | AX-3M/20 (2NU), AX-3M/02 (2NC), AX-3M/11 (1NU+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 | Top |
| Surge Suppressor | SR2-220, SR2-380 | Suppress coil surge voltage | Fund |
| Mechanical Interlock | NXC-IL | Prevent phase short circuit for reversing contactor (NXC-65/N) | Side |
| Mounting Rail | 35mm șină DIN standard | Instalare fixă | Inside control cabinet |
| Terminal Protection Cover | Standard equipped | Anti-touch protection | Principal & auxiliary terminals |
| Mounting Screws | M4×12mm | Fixare cu șuruburi | Base mounting holes |
| Operation Manual | Electronic / hard copy | Instalare, punerea în funcţiune & maintenance guide | — |
| Coil Connector | Opțional | Fast coil wiring & înlocuire | Coil terminal side |
- Cross-Brand Equivalent & Înlocuire
| Marca | Serie | Model | Curent nominal | Diferențele | Compatibilitate de înlocuire |
| CHINT | CJX2 | CJX2-6511 | 65O | Old generation; NXC is fully upgraded version | Direct full replacement (same mounting size) |
| Schneider | TeSys D | LC1D65M7C | 65O | Import brand, higher cost, similar functions | Ridicat (verify mounting & contacte auxiliare) |
| Siemens | 3RT | 3RT2026-1BB40 | 65O | Design modular, hot-swap support | Mediu (different dimension & cablare) |
| ABB | DE | AF65-30-11 | 65O | Wide-voltage coil, global application | Mediu (needs position adjustment) |
| Mitsubishi | S-N | S-N65 | 65O | Compact Japanese design, pret moderat | Mediu (different terminal layout) |
| Changshu | CK3 | CK3-65 | 65O | Domestic equivalent, aceeași performanță | Ridicat (fully compatible size & mounting) |
- Funcții principale & Aplicații
Funcții de bază
- 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.
- Extindere flexibilă: Supports auxiliary contacts, timer modules and surge suppressors for customized control.
- Instalare ușoară: Snap-on DIN rail mounting for fast assembly and maintenance.
- Wide Temperature Adaptation: Stable operation from -30℃ to +60℃ for various industrial environments.
Aplicații tipice
- Controlul motorului: Frequent start/stop/reverse of 3-phase asynchronous motors (aproximativ. 30kW @ 400V).
- Automatizare industrială: Liniile de producție, transportoare, fani, water pumps and general machinery.
- Building Electrical: sisteme HVAC, 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 (seria NR2) for complete motor protection starters.
- Note suplimentare
- Product Upgrade: The NXC KunLun series fully replaces the traditional CJX2 series with improved mechanical structure, electromagnetic performance and expandability.
- Ghid de selecție:
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.
- Sfaturi de întreținere:
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
| Serie | Poziționare | Interval de curent | Caracteristici | 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, energy-saving, stabilitate ridicată | High-end alternative to NXC |
| CJX2 | Classic Traditional Series | 9A ~ 95A | Mature model, rentabil | 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 | Gospodărie & Building Series | 16A ~ 63A | Dimensiune miniaturală, building automation | Iluminat, HVAC & 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)
| Curent nominal | Standard Model | Reversing Model | Standard Aux. Contact | Matched Motor Power | Comanda nr. |
| 6O | NXC-06M | — | 1NU+1NC | 0.75kW | 710010100000276 |
| 9O | NXC-09 | NXC-09/N | 1NU+1NC | 1.5kW | 710010100000277 |
| 12O | NXC-12 | NXC-12/N | 1NU+1NC | 2.2kW | 710010100000278 |
| 18O | NXC-18 | NXC-18/N | 1NU+1NC | 3kW | 710010100000279 |
| 25O | NXC-25 | NXC-25/N | 1NU+1NC | 5.5kW | 710010100000280 |
| 32O | NXC-32 | NXC-32/N | 1NU+1NC | 7.5kW | 710010100000281 |
| 40O | NXC-40 | NXC-40/N | 1NU+1NC | 11kW | 710010100000282 |
| 50O | NXC-50 | NXC-50/N | 1NU+1NC | 15kW | 710010100000283 |
| 65O | NXC-65 | NXC-65/N | 1NU+1NC | 30kW | 710010100000284 |
| 80O | NXC-80 | NXC-80/N | 1NU+1NC | 37kW | 710010100000285 |
| 95O | NXC-95 | NXC-95/N | 1NU+1NC | 45kW | 710010100000286 |
| 100O | NXC-100 | NXC-100/N | 2NU+2NC | 55kW | 710010100000287 |
| 120O | NXC-120 | NXC-120/N | 2NU+2NC | 75kW | 710010100000288 |
| 160O | NXC-160 | NXC-160/N | 2NU+2NC | 90kW | 710010100000289 |
| 200O | NXC-200 | NXC-200/N | 2NU+2NC | 110kW | 710010100000290 |
| 250O | NXC-250 | NXC-250/N | 2NU+2NC | 132kW | 710010100000291 |
| 315O | NXC-315 | NXC-315/N | 2NU+2NC | 160kW | 710010100000292 |
| 400O | NXC-400 | NXC-400/N | 2NU+2NC | 200kW | 710010100000293 |
| 500O | NXC-500 | NXC-500/N | 2NU+2NC | 250kW | 710010100000294 |
| 630O | NXC-630A | NXC-630A/N | 2NU+2NC | 315kW | 710010100000295 |
- NC5 High-performance Series
Model Rule
NC5-[Actual][Tip][Tensiunea bobinei]
– Tip: Standard / E=Economy / NE=Intelligent / F=Reversing
| Interval de curent | Standard | Intelligent | Reversing | Aux. Contact | Tensiune de izolație |
| 9A~38A | NC5-09~38 | NC5NE-09~38 | NC5F-09~38 | 1NU+1NC | 690V |
| 40A~100A | NC5-40~100 | NC5NE-40~100 | NC5F-40~100 | 1NU+1NC | 690V |
| 115A~250A | NC5-115~250 | NC5NE-115~250 | NC5F-115~250 | 2NU+2NC | 1000V |
| 315A~630A | NC5-315~630 | NC5NE-315~630 | NC5F-315~630 | 2NU+2NC | 1000V |
- Classic CJX2 Series
| Actual | Model | Aux. Contact | Matched Motor |
| 9O | CJX2-0910 / 0901 / 0911 | 1NU / 1NC / 1NU+1NC | 1.5kW |
| 12O | CJX2-1210 / 1201 / 1211 | 1NU / 1NC / 1NU+1NC | 2.2kW |
| 18O | CJX2-1810 / 1801 / 1811 | 1NU / 1NC / 1NU+1NC | 3kW |
| 25O | CJX2-2510 / 2501 / 2511 | 1NU / 1NC / 1NU+1NC | 5.5kW |
| 32O | CJX2-3210 / 3201 / 3211 | 1NU / 1NC / 1NU+1NC | 7.5kW |
| 40O | CJX2-4010 / 4001 / 4011 | 1NU / 1NC / 1NU+1NC | 11kW |
| 50O | CJX2-5010 / 5001 / 5011 | 1NU / 1NC / 1NU+1NC | 15kW |
| 65O | CJX2-6510 / 6501 / 6511 | 1NU / 1NC / 1NU+1NC | 30kW |
| 80O | CJX2-8010 / 8001 / 8011 | 1NU / 1NC / 1NU+1NC | 37kW |
| 95O | CJX2-9510 / 9501 / 9511 | 1NU / 1NC / 1NU+1NC | 45kW |
- Other Special Series
NXCF Slim Series
| Actual | Model | Lăţime | Aux. Contact |
| 9O | NXCF-09 | 22.5mm | 1NU+1NC |
| 12O | NXCF-12 | 22.5mm | 1NU+1NC |
| 16O | NXCF-16 | 22.5mm | 1NU+1NC |
| 25O | NXCF-25 | 36mm | 1NU+1NC |
| 32O | NXCF-32 | 36mm | 1NU+1NC |
NC8 Heavy-duty Series
| Actual | Model | Polonii | Viața mecanică |
| 9A~38A | NC8-09~38 | 3P | 10 million cycles |
| 40A~100A | NC8-40~100 | 3P | 10 million cycles |
| 115A~500A | NC8-115~500 | 3P/4P | 8 million cycles |
NXCC Capacitor Contactor
| Actual | Model | Suppression Type | Capacitor Rating |
| 16O | NXCC-16 | Series resistor | 10kvar |
| 25O | NXCC-25 | Series resistor | 15kvar |
| 32O | NXCC-32 | Series resistor | 20kvar |
| 40O | NXCC-40 | Series resistor | 25kvar |
| 50O | NXCC-50 | Series resistor | 30kvar |
| 63O | NXCC-63 | Series resistor | 40kvar |
| 80O | NXCC-80 | Series resistor | 50kvar |
| 100O | NXCC-100 | Series resistor | 60kvar |
NCH8 Building / Household Contactor
| Model | Polonii | Actual | Aplicație |
| NCH8-16M | 2P | 16O | Smart home control |
| NCH8-25M | 2P | 25O | Air conditioning control |
| NCH8-32M | 2P | 32O | Small water pump |
| NCH8-40M | 2P | 40O | Floor heating system |
| NCH8-63M | 2P | 63O | Building lighting |
- Universal Accessories
| Accessory | Model | Applicable Series |
| Auxiliary Contact Block | AX-3M Series | NXC / NC5 / CJX2 |
| Time Delay Module | F5 Series | Seria completa |
| Coil Surge Suppressor | SR2 Series | Seria completa |
| Mechanical Interlock | NXC-IL / NC5-IL | Reversing contactor |
| Releu termic de suprasarcina | NR2 / NR5 Series | Motor protection combination |
| 35mm șină DIN | Tip standard | Full cabinet-mounted contactors |
- Selecţie & Ghid de înlocuire
- Series Selection
New project: 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.
- Selecția curentă
Rated current ≥ motor rated current × 1.1 (datorie normală).
Frequent operation ≥ motor current × 1.25.
- Tensiunea bobinei
Match control circuit voltage: AC220V / AC380V most common; safety low-voltage 24V/36V optional.
- Contacte auxiliare
Expandable via external auxiliary blocks when signal points are insufficient.
Reversing circuit must adopt mechanical interlock type.
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![NXC-65 din seria Kunlun de la CHINT Electric este un contactor AC cu 3 poli, evaluat la 65A în seria NXC. Modelul complet este de obicei exprimat ca NXC-65 [Tensiunea bobinei] [Frecvenţă] 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)









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