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| Modellsegment | Beschreibung |
| NXC | Product series code: CHINT KunLun series AC contactor, upgraded replacement for traditional CJX2 series |
| 65 | Bemessungsbetriebsstrom: 65A (unter AC-3, 400V) |
| A | Configuration code: Standardtyp (no suffix = standard; suffix /N = reversing type) |
| Common Suffix | Coil voltage code: 220V / 380V / 110V / 24V, z.B. NXC-65 220V |
Full Model Example:
NXC-65 220V 50Hz = CHINT KunLun 65A AC contactor, coil voltage 220V, 50Hz, Standardkonfiguration
Typical Order No.: 710010100000281 (NXC-65 220V 50Hz, 1NO+1NC)
- Main Technical Data
| Kategorie | Spezifikationen | Bemerkungen |
| Grundlegende Informationen | ||
| Marke / Serie | CHINT Electric / KunLun NXC Series | Kompakte Struktur, direct replacement for CJX2-65 |
| Produkttyp | 3-phase AC Contactor | For frequent motor starting & remote circuit switching |
| Compliance-Standards | GB/T 14048.1 / IEC 60947-1, GB/T 14048.4 / IEC 60947-4-1 | International certified, sicher und zuverlässig |
| Electrical Data | ||
| Nennbetriebsstrom (Dh) | 65A (AC-3, 400V) | Main contact rated current |
| Nennbetriebsspannung (Ue) | 380V / 400V (50Hz) | Standard industrial grid voltage |
| Bemessungsisolationsspannung (Ui) | 690V | Max withstand voltage of insulation system |
| Bewertete Stoßspannungsfestigkeit (Ump) | 8kV | Overvoltage protection capability |
| Control Coil Voltage | 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 |
| Bruchkapazität | 10× Nennstrom | Short-circuit withstand capability |
| Kontaktkonfiguration | ||
| Main Contacts | 3NEIN (3-Pol normalerweise offen) | Standard for main power circuit |
| Hilfskontakte | 1NEIN + 1NC | Expandable on request |
| Hilfskontaktbewertung | 5A / 220V und | For control signal circuits |
| Physikalische Eigenschaften | ||
| Abmessungen (B×H×T) | 90mm × 150mm × 105mm | Kompakt, platzsparend |
| Gewicht | Ca. 0.8kg | Lightweight for easy installation |
| Montage | Standard 35mm DIN rail / screw mounting | Snap-on design, fast assembly |
| Schutzklasse | IP20 | Suitable for cabinet installation |
| Betriebstemperatur | -30℃ ~ +60℃ | Wide temperature range for harsh environments |
| Lagertemperatur | -25℃ ~ +40℃ | Suitable for transportation & warehouse storage |
| Electromagnetic Performance | ||
| Spulenleistung | Ca. 180VA (pick-up) / 25VA (holding) | Geringer Stromverbrauch, energy-saving |
| Abfallspannung | 30% ~ 70% of rated voltage | Reliable disconnection |
| Electromagnetic System | Optimized silicon steel lamination (32-piece core) | Smooth closure, geräuscharm & loss |
| Sicherheitsfunktionen | ||
| Zertifizierungen | CE, CCC | Inländisch & international compliance |
| Arc Extinction | Multi-channel magnetic blow-out arc suppression | High breaking performance |
| Schutzfunktionen | Überstrom, Überhitzung, undervoltage protection | Comprehensive equipment & circuit protection |
- Accessory List
| Zubehör | Modell | Funktion | Mounting Position |
| Auxiliary Contact Block | AX-3M/20 (2NEIN), AX-3M/02 (2NC), 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 | Top |
| Surge Suppressor | SR2-220, SR2-380 | Suppress coil surge voltage | Bottom |
| Mechanische Verriegelung | NXC-IL | Prevent phase short circuit for reversing contactor (NXC-65/N) | Side |
| Mounting Rail | 35mm standard DIN rail | Fixed installation | Inside control cabinet |
| Terminal Protection Cover | Standard equipped | Anti-touch protection | Hauptsächlich & auxiliary terminals |
| Mounting Screws | M4×12mm | Schraubenbefestigung | Base mounting holes |
| Operation Manual | Elektronisch / hard copy | Installation, commissioning & maintenance guide | — |
| Coil Connector | Optional | Fast coil wiring & Ersatz | Coil terminal side |
- Cross-Brand Equivalent & Ersatz
| Marke | Serie | Modell | Nennstrom | Unterschiede | Ersatzkompatibilität |
| CHINT | CJX2 | CJX2-6511 | 65A | Old generation; NXC is fully upgraded version | Direct full replacement (same mounting size) |
| Schneider | TeSys D | LC1D65M7C | 65A | Import brand, höhere Kosten, similar functions | Hoch (verify mounting & Hilfskontakte) |
| Siemens | 3RT | 3RT2026-1BB40 | 65A | Modularer Aufbau, hot-swap support | Medium (different dimension & Verdrahtung) |
| ABB | VON | AF65-30-11 | 65A | Wide-voltage coil, global application | Medium (needs position adjustment) |
| Mitsubishi | S-N | S-N65 | 65A | Compact Japanese design, moderater Preis | Medium (different terminal layout) |
| Changshu | CK3 | CK3-65 | 65A | Domestic equivalent, same performance | Hoch (fully compatible size & Montage) |
- Hauptfunktionen & Anwendungen
Kernfunktionen
- 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.
- Flexible Expansion: Supports auxiliary contacts, timer modules and surge suppressors for customized control.
- Einfache Installation: Snap-on DIN rail mounting for fast assembly and maintenance.
- Wide Temperature Adaptation: Stable operation from -30℃ to +60℃ for various industrial environments.
Typische Anwendungen
- Motorsteuerung: Frequent start/stop/reverse of 3-phase asynchronous motors (ca. 30kW @ 400V).
- Industrielle Automatisierung: Production lines, Förderer, Fans, water pumps and general machinery.
- Gebäudeelektrik: HVAC-Systeme, fire water pumps, elevator auxiliary circuits.
- Machine Tools: Spindle control for milling machines, drilling machines and small machining centers.
- Stromverteilung: Kombiniert mit thermischen Überlastrelais (NR2 series) for complete motor protection starters.
- Ergänzende Hinweise
- Product Upgrade: The NXC KunLun series fully replaces the traditional CJX2 series with improved mechanical structure, electromagnetic performance and expandability.
- Auswahlrichtlinien:
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.
- Wartungstipps:
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 | Positionierung | Aktueller Bereich | Merkmale | Replacement Relation |
| NXC | KunLun Main Series | 6A ~ 630A | Kompakt, modular, high cost-performance | Full replacement for CJX2 |
| NC5 | High-performance Intelligent Series | 9A ~ 630A | Smart control, energy-saving, high stability | High-end alternative to NXC |
| CJX2 | Classic Traditional Series | 9A ~ 95A | Mature model, kostengünstig | Gradually phased out by NXC |
| NXCF | Slim Compact Series | 9A ~ 32A | Ultra-thin, platzsparend | Small cabinet & compact installation |
| NC8 | Heavy-duty Industrial Series | 9A ~ 500A | High mechanical life, strong arc resistance | Frequent start-stop working conditions |
| NXCC | Kondensatorschaltschütz | 16A ~ 100A | Inrush current suppression, reactive power compensation dedicated | Capacitor bank control |
| NCH8 | Household & Building Series | 16A ~ 63A | Miniature size, Gebäudeautomation | Beleuchtung, 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)
| Nennstrom | Standard Model | Reversing Model | Standard Aux. Kontakt | Matched Motor Power | Bestell-Nr. |
| 6A | NXC-06M | — | 1NO+1NC | 0.75kW | 710010100000276 |
| 9A | NXC-09 | NXC-09/N | 1NO+1NC | 1.5kW | 710010100000277 |
| 12A | NXC-12 | NXC-12/N | 1NO+1NC | 2.2kW | 710010100000278 |
| 18A | NXC-18 | NXC-18/N | 1NO+1NC | 3kW | 710010100000279 |
| 25A | NXC-25 | NXC-25/N | 1NO+1NC | 5.5kW | 710010100000280 |
| 32A | NXC-32 | NXC-32/N | 1NO+1NC | 7.5kW | 710010100000281 |
| 40A | NXC-40 | NXC-40/N | 1NO+1NC | 11kW | 710010100000282 |
| 50A | NXC-50 | NXC-50/N | 1NO+1NC | 15kW | 710010100000283 |
| 65A | NXC-65 | NXC-65/N | 1NO+1NC | 30kW | 710010100000284 |
| 80A | NXC-80 | NXC-80/N | 1NO+1NC | 37kW | 710010100000285 |
| 95A | NXC-95 | NXC-95/N | 1NO+1NC | 45kW | 710010100000286 |
| 100A | NXC-100 | NXC-100/N | 2NO+2NC | 55kW | 710010100000287 |
| 120A | NXC-120 | NXC-120/N | 2NO+2NC | 75kW | 710010100000288 |
| 160A | NXC-160 | NXC-160/N | 2NO+2NC | 90kW | 710010100000289 |
| 200A | NXC-200 | NXC-200/N | 2NO+2NC | 110kW | 710010100000290 |
| 250A | NXC-250 | NXC-250/N | 2NO+2NC | 132kW | 710010100000291 |
| 315A | NXC-315 | NXC-315/N | 2NO+2NC | 160kW | 710010100000292 |
| 400A | NXC-400 | NXC-400/N | 2NO+2NC | 200kW | 710010100000293 |
| 500A | NXC-500 | NXC-500/N | 2NO+2NC | 250kW | 710010100000294 |
| 630A | NXC-630A | NXC-630A/N | 2NO+2NC | 315kW | 710010100000295 |
- NC5 High-performance Series
Model Rule
NC5-[Aktuell][Typ][Spulenspannung]
– Typ: Standard / E=Economy / NE=Intelligent / F=Reversing
| Aktueller Bereich | Standard | Intelligent | Reversing | Aux. Kontakt | Isolationsspannung |
| 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 |
| 315A~630A | NC5-315~630 | NC5NE-315~630 | NC5F-315~630 | 2NO+2NC | 1000V |
- Classic CJX2 Series
| Aktuell | Modell | Aux. Kontakt | Matched Motor |
| 9A | CJX2-0910 / 0901 / 0911 | 1NEIN / 1NC / 1NO+1NC | 1.5kW |
| 12A | CJX2-1210 / 1201 / 1211 | 1NEIN / 1NC / 1NO+1NC | 2.2kW |
| 18A | CJX2-1810 / 1801 / 1811 | 1NEIN / 1NC / 1NO+1NC | 3kW |
| 25A | CJX2-2510 / 2501 / 2511 | 1NEIN / 1NC / 1NO+1NC | 5.5kW |
| 32A | CJX2-3210 / 3201 / 3211 | 1NEIN / 1NC / 1NO+1NC | 7.5kW |
| 40A | CJX2-4010 / 4001 / 4011 | 1NEIN / 1NC / 1NO+1NC | 11kW |
| 50A | CJX2-5010 / 5001 / 5011 | 1NEIN / 1NC / 1NO+1NC | 15kW |
| 65A | CJX2-6510 / 6501 / 6511 | 1NEIN / 1NC / 1NO+1NC | 30kW |
| 80A | CJX2-8010 / 8001 / 8011 | 1NEIN / 1NC / 1NO+1NC | 37kW |
| 95A | CJX2-9510 / 9501 / 9511 | 1NEIN / 1NC / 1NO+1NC | 45kW |
- Other Special Series
NXCF Slim Series
| Aktuell | Modell | Breite | Aux. Kontakt |
| 9A | NXCF-09 | 22.5mm | 1NO+1NC |
| 12A | NXCF-12 | 22.5mm | 1NO+1NC |
| 16A | NXCF-16 | 22.5mm | 1NO+1NC |
| 25A | NXCF-25 | 36mm | 1NO+1NC |
| 32A | NXCF-32 | 36mm | 1NO+1NC |
NC8 Heavy-duty Series
| Aktuell | Modell | Polen | Mechanisches Leben |
| 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
| Aktuell | Modell | 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 / Household Contactor
| Modell | Polen | Aktuell | Anwendung |
| NCH8-16M | 2P | 16A | Smart home control |
| NCH8-25M | 2P | 25A | Air conditioning control |
| NCH8-32M | 2P | 32A | Small water pump |
| NCH8-40M | 2P | 40A | Floor heating system |
| NCH8-63M | 2P | 63A | Building lighting |
- Universal Accessories
| Zubehör | Modell | 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 |
| Mechanische Verriegelung | NXC-IL / NC5-IL | Reversing contactor |
| Thermisches Überlastrelais | NR2 / NR5 Series | Motor protection combination |
| 35mm DIN-Schiene | Standardtyp | Full cabinet-mounted contactors |
- Auswahl & Replacement Guide
- 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.
- Aktuelle Auswahl
Rated current ≥ motor rated current × 1.1 (normal duty).
Frequent operation ≥ motor current × 1.25.
- Spulenspannung
Match control circuit voltage: AC220V / AC380V most common; safety low-voltage 24V/36V optional.
- Hilfskontakte
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 aus der Kunlun-Serie von CHINT Electric ist ein 3-poliger AC-Schütz, Nennstrom 65 A in der NXC-Serie. Das vollständige Modell wird normalerweise als NXC-65 ausgedrückt [Spulenspannung] [Frequenz]")
