Contattore,interruttore automatico,inverter solare,contatore elettrico,batterie solari
NXC-185-380V (Ordine n.: 710010100000343)
| Segmento | Senso | Descrizione |
| NXC | Serie di prodotti | CHINT Kunlun series AC contactor, upgraded compact structure replacing traditional CJX2 series |
| 185 | Corrente nominale | Rated operational current of main contact: 185UN (AC-3, 400V) |
| 380V | Tensione della bobina | Rated control coil voltage: AC380V, standard frequency 50Hz |
Supplementary Specifications: 3-palo (3P), 3 normally-open main contacts, 2Contatti ausiliari NA+2NC, standard mounting type
- Parametri delle specifiche principali
| Categoria | Dati tecnici | Osservazioni |
| Basic Properties | ||
| Tipo di prodotto | Electromagnetic AC Contactor | Serie Kunlun, replacement for CJX2-1850 |
| Standard applicabili | GB/T 14048.4 / CEI 60947-4-1 | Compliant with GB 21518 safety standard |
| Tensione di isolamento nominale | 1000V | Unified standard for specifications above 120A |
| Tensione operativa nominale | 220V~690V | Compatible with various industrial power supply systems |
| Parametri Elettrici | ||
| Corrente operativa nominale (Cioè) | 185UN (AC-3, 400V) | Matches motor power around 90kW |
| Capacità di produzione nominale | 10×Ie (AC-3) | 1850UN, reliable load switching |
| Capacità di interruzione nominale | 8×Ie (AC-3) | 1480UN, safe fault current interruption |
| Parametri della bobina | AC380V, 50Hz, power approx. 170VA | Pick-up/holding power ratio about 3:1 |
| Contatti ausiliari | 2NO+2NC, rated current 5A | Signal transmission for control circuits |
| Parametri meccanici | ||
| Numero di poli | 3P (3 NESSUN contatto principale) | Configurazione standard, 4P version optional |
| Metodo di montaggio | Guida DIN standard da 35 mm / montaggio a vite | Fits mainstream control cabinets |
| Materiale dell'alloggiamento | Flame-retardant engineering plastic | UL94 V0 flame resistance grade |
| Grado di protezione | IP20 | Finger-touch safe, indoor cabinet installation only |
| Vita meccanica | 10,000,000 operazioni | Lunga durata, low maintenance frequency |
| Vita elettrica | 1,000,000 operazioni (AC-3) | Adatto per frequenti operazioni di avvio-arresto |
| Parametri Ambientali | ||
| Temperatura operativa | -30°C~+70°C | Wide temperature range for harsh industrial conditions |
| Temperatura di conservazione | -40°C~+85°C | Meets storage and transportation requirements |
| Umidità relativa | 5%~95%, senza condensa | Adaptable to humid working environment |
| Altitudine | ≤2000m | Derating required for higher altitude |
- Cross-brand Replacement Comparison
| Marca | Modello | Caratteristiche simili | Differenze |
| CINT | NXC-185-380V | Reference model | Serie Kunlun, conveniente, preferred domestic replacement |
| Schneider | LC1D18500Q7 | 185UN, 3P, 380Bobina V | Prezzo più alto, 1Contatti ausiliari NA+1NC |
| ABB | A185-30-11 | 185UN, 3P, 380Bobina V | 1Contatti ausiliari NA+1NC, different mounting dimensions |
| Siemens | 3RT2036-1AP00 | 185UN, 3P, 380Bobina V | High price, risposta rapida, ideal for precision control |
| DELIXI | CDM3-185 | 185UN, 3P, 380Bobina V | Alternativa domestica, similar price, slightly lower performance |
Note di sostituzione:
- 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
- Elenco completo dei modelli della serie (Core NXC Models)
| Modello | Corrente nominale | Tensione della bobina | Contatto ausiliario | Pole | Ordine n. |
| NXC-06-220V | 6UN | AC220V | 1NA+1NC | 3P | 710010100000001 |
| NXC-12-380V | 12UN | AC380V | 1NA+1NC | 3P | 710010100000002 |
| NXC-18-220V | 18UN | AC220V | 1NA+1NC | 3P | 710010100000003 |
| NXC-25-380V | 25UN | AC380V | 1NA+1NC | 3P | 710010100000004 |
| NXC-32-220V | 32UN | AC220V | 1NA+1NC | 3P | 710010100000005 |
| NXC-40-380V | 40UN | AC380V | 1NA+1NC | 3P | 710010100000006 |
| NXC-50-220V | 50UN | AC220V | 1NA+1NC | 3P | 710010100000007 |
| NXC-65-380V | 65UN | AC380V | 1NA+1NC | 3P | 710010100000008 |
| NXC-80-220V | 80UN | AC220V | 2NO+2NC | 3P | 710010100000009 |
| NXC-100-380V | 100UN | AC380V | 2NO+2NC | 3P | 710010100000305 |
| NXC-120-220V | 120UN | AC220V | 2NO+2NC | 3P | 710010100000306 |
| NXC-150-380V | 150UN | AC380V | 2NO+2NC | 3P | 710010100000307 |
| NXC-185-380V | 185UN | AC380V | 2NO+2NC | 3P | 710010100000343 |
| NXC-225-380V | 225UN | AC380V | 2NO+2NC | 3P | 710010100000344 |
| NXC-265-380V | 265UN | AC380V | 2NO+2NC | 3P | 710010100000345 |
Model Extension Rules:
Suffisso M: Contattore reversibile (per esempio. NXC-25M-220V)
Suffix 4P: 4-contattore di polo (per esempio. NXC-65-4P-380V)
Suffix Z: Bobina CC (per esempio. NXC-18-24Z)
Auxiliary contact expansion: Max 6NO+6NC with F4-XX auxiliary contact block
- Difetti comuni & Risoluzione dei problemi
| Fenomeno di guasto | Possibili cause | Soluzioni |
| Il contattore non si inserisce | 1. Abnormal coil voltage | 1. Verify stable 380V power supply |
| 2. Open control circuit | 2. Check wiring and fuse | |
| 3. Bobina bruciata | 3. Test coil resistance (normal ~800Ω), replace damaged coil | |
| 4. Inceppamento meccanico | 4. Clean iron core and reset spring | |
| Forte rumore dopo il pull-in | 1. Oil contamination on core surface | 1. Clean contact surface of iron core |
| 2. Anello di cortocircuito rotto | 2. Replace iron core or short-circuit ring | |
| 3. Sottotensione | 3. Ensure voltage ≥85% rated value | |
| Overheated / burned contacts | 1. Corrente di carico eccessiva | 1. Upgrade to higher capacity model |
| 2. Poor contact performance | 2. Clean contacts and adjust contact pressure | |
| 3. Commutazione frequente | 3. Optimize control logic to reduce unnecessary switching | |
| 4. Failed arc suppression | 4. Inspect and maintain arc shield | |
| Malfunction of auxiliary contacts | 1. Ossidazione da contatto | 1. Polish and clean contacts |
| 2. Ablazione del contatto | 2. Replace auxiliary contact assembly | |
| 3. Cablaggio allentato | 3. Fasten terminal connections | |
| Overheating and burnt coil | 1. Sovratensione | 1. Keep voltage within rated range |
| 2. Excessive operation frequency | 2. Reduce switching frequency or adopt AC-4 type contactor | |
| 3. Temperatura ambiente elevata | 3. Improve ventilation condition | |
| 4. Stuck iron core | 4. Ensure flexible mechanical movement |
- Conformità del trasporto aereo & Certificazioni
- Certificazioni
Certificazione 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
No built-in lithium battery or super capacitor, classified as ordinary industrial electrical equipment
Merci non pericolose, conforms to IATA DGR Class 9 requisiti
Standard industrial packaging, massimo 20 units per carton to avoid collision damage
Recommended marks: FRAGILE, ELECTRICAL EQUIPMENT, KEEP DRY
- Ambiente applicativo & Adattamento
Scenari applicabili
Controllo motori industriali: Inizio, stop and reverse control of three-phase asynchronous motors below 90kW
Fan & Water Pump System: HVAC, industrial circulating water and sewage aeration equipment control
Compressor Control: Heavy-duty air and refrigeration compressors for AC-3 working condition
Linea di produzione automatica: Core component for sequence control and interlock protection
Building Electrical System: Aria condizionata centralizzata, 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
Unsuitable Scenarios
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
- Application Cases
Caso 1: Central Air Conditioning Control of Large Shopping Mall
Applicazione: Control of 3 sets 90kW water chillers and 4 sets 75kW cooling tower fans
Sfide: 20-30 daily start-stop cycles, high reliability and energy saving requirement
Soluzione: NXC-185-380V + NXR-185 thermal overload relay + intelligent PLC control system
Result: Trouble-free operation for 2 anni, 30% energy saving with frequency conversion, 50% maintenance cost reduction
Caso 2: Conveyor System for Auto Parts Production Line
Applicazione: 12 belt conveyor lines with 75kW driving motor each, sequential start-stop and interlock protection
Sfide: Multi-motor synchronous control, frequent forward/reverse rotation, oily environment
Soluzione: NXC-185-380V for main drive + NXC-65-380V for auxiliary drive + safety relay
Result: Precise synchronous operation, IP20 protection against oil contamination, vita meccanica fino a 8 milioni di cicli
- Linee guida per la selezione
Quick Rules
Corrente nominale: NXC-X ranging 6~630A, matching motor power about X/2 kW
Standard coil voltage: 220V / 380V; optional 110V / 24V / 48V
Contatto ausiliario: 1NO+1NC for ≤80A; 2NO+2NC for ≥100A
Montaggio: Universal 35mm DIN rail for mainstream cabinets
Classe di protezione: IP20, indoor cabinet use only, outdoor exposed installation prohibited
Specific Application Scenarios of NXC185-380V
- Controllo motorio
Inizio, stop and reverse control of three-phase asynchronous motors below 90kW
Continuous operation control of constant-load equipment including fans, pumps and compressors
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
- Costruzione & Infrastrutture
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 & Protezione ambientale
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
- Estrazione mineraria & Metallurgia
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
