Contactor,întrerupător de circuit,invertor solar,contor electric,baterii solare
NXC-185-380V (Comanda nr.: 710010100000343)
| Segment | Sens | Descriere |
| NXC | Seria de produse | Contactor AC din seria CHINT Kunlun, structură compactă îmbunătățită care înlocuiește seria tradițională CJX2 |
| 185 | Curent nominal | Rated operational current of main contact: 185O (AC-3, 400V) |
| 380V | Tensiunea bobinei | Rated control coil voltage: AC380V, standard frequency 50Hz |
Supplementary Specifications: 3-pol (3P), 3 normally-open main contacts, 2NO+2NC auxiliary contacts, standard mounting type
- Parametrii de specificație de bază
| Categorie | Date tehnice | Observații |
| Basic Properties | ||
| Tip de produs | Electromagnetic AC Contactor | Seria Kunlun, replacement for CJX2-1850 |
| Standarde aplicabile | GB/T 14048.4 / IEC 60947-4-1 | Compliant with GB 21518 safety standard |
| Tensiune nominală de izolație | 1000V | Unified standard for specifications above 120A |
| Tensiune nominală de funcționare | 220V~690V | Compatible with various industrial power supply systems |
| Parametrii electrici | ||
| Curent nominal de funcționare (Ie) | 185O (AC-3, 400V) | Matches motor power around 90kW |
| Capacitate de producție nominală | 10×Ie (AC-3) | 1850O, reliable load switching |
| Capacitate nominală de rupere | 8×Ie (AC-3) | 1480O, safe fault current interruption |
| Parametrii bobinei | AC380V, 50Hz, power approx. 170VA | Pick-up/holding power ratio about 3:1 |
| Contacte auxiliare | 2NU+2NC, rated current 5A | Signal transmission for control circuits |
| Parametri mecanici | ||
| Numărul de pol | 3P (3 FĂRĂ contacte principale) | Configurație standard, 4P version optional |
| Metoda de montare | Sina DIN standard de 35 mm / montare cu șuruburi | Fits mainstream control cabinets |
| Materialul carcasei | Flame-retardant engineering plastic | UL94 V0 flame resistance grade |
| Grad de protectie | IP20 | Finger-touch safe, indoor cabinet installation only |
| Viața mecanică | 10,000,000 operațiuni | Durată lungă de viață, low maintenance frequency |
| Viața electrică | 1,000,000 operațiuni (AC-3) | Suitable for frequent start-stop operation |
| Parametrii de mediu | ||
| Temperatura de operare | -30°C ~ +70°C | Wide temperature range for harsh industrial conditions |
| Temperatura de depozitare | -40°C ~ +85°C | Meets storage and transportation requirements |
| Umiditatea relativă | 5%~95%, necondens | Adaptable to humid working environment |
| Altitudine | ≤2000m | Derating required for higher altitude |
- Cross-brand Replacement Comparison
| Marca | Model | Caracteristici similare | Diferențele |
| CHINT | NXC-185-380V | Reference model | Seria Kunlun, rentabil, preferred domestic replacement |
| Schneider | LC1D18500Q7 | 185O, 3P, 380V coil | Higher price, 1NO+1NC auxiliary contacts |
| ABB | A185-30-11 | 185O, 3P, 380V coil | 1NO+1NC auxiliary contacts, different mounting dimensions |
| Siemens | 3RT2036-1AP00 | 185O, 3P, 380V coil | High price, răspuns rapid, ideal for precision control |
| DELIXI | CDM3-185 | 185O, 3P, 380V coil | Alternativă internă, similar price, slightly lower performance |
Note de înlocuire:
- 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
- Lista completă a modelelor din seria (Core NXC Models)
| Model | Curent nominal | Tensiunea bobinei | Contact auxiliar | Pol | Comanda nr. |
| NXC-06-220V | 6O | AC220V | 1NU+1NC | 3P | 710010100000001 |
| NXC-12-380V | 12O | AC380V | 1NU+1NC | 3P | 710010100000002 |
| NXC-18-220V | 18O | AC220V | 1NU+1NC | 3P | 710010100000003 |
| NXC-25-380V | 25O | AC380V | 1NU+1NC | 3P | 710010100000004 |
| NXC-32-220V | 32O | AC220V | 1NU+1NC | 3P | 710010100000005 |
| NXC-40-380V | 40O | AC380V | 1NU+1NC | 3P | 710010100000006 |
| NXC-50-220V | 50O | AC220V | 1NU+1NC | 3P | 710010100000007 |
| NXC-65-380V | 65O | AC380V | 1NU+1NC | 3P | 710010100000008 |
| NXC-80-220V | 80O | AC220V | 2NU+2NC | 3P | 710010100000009 |
| NXC-100-380V | 100O | AC380V | 2NU+2NC | 3P | 710010100000305 |
| NXC-120-220V | 120O | AC220V | 2NU+2NC | 3P | 710010100000306 |
| NXC-150-380V | 150O | AC380V | 2NU+2NC | 3P | 710010100000307 |
| NXC-185-380V | 185O | AC380V | 2NU+2NC | 3P | 710010100000343 |
| NXC-225-380V | 225O | AC380V | 2NU+2NC | 3P | 710010100000344 |
| NXC-265-380V | 265O | AC380V | 2NU+2NC | 3P | 710010100000345 |
Model Extension Rules:
Suffix M: Contactor reversibil (de ex. NXC-25M-220V)
Suffix 4P: 4-contactor de stâlp (de ex. NXC-65-4P-380V)
Suffix Z: bobină DC (de ex. NXC-18-24Z)
Auxiliary contact expansion: Max 6NO+6NC with F4-XX auxiliary contact block
- Defecte comune & Depanare
| Fenomen de eroare | Cauze posibile | Soluții |
| Contactorul nu reușește să tragă | 1. Abnormal coil voltage | 1. Verify stable 380V power supply |
| 2. Open control circuit | 2. Check wiring and fuse | |
| 3. Burned coil | 3. Test coil resistance (normal ~800Ω), replace damaged coil | |
| 4. Mechanical jam | 4. Clean iron core and reset spring | |
| Zgomot puternic după tragere | 1. Oil contamination on core surface | 1. Clean contact surface of iron core |
| 2. Inel de scurtcircuit spart | 2. Replace iron core or short-circuit ring | |
| 3. Subtensiune | 3. Ensure voltage ≥85% rated value | |
| Overheated / burned contacts | 1. Curent de sarcină excesiv | 1. Upgrade to higher capacity model |
| 2. Poor contact performance | 2. Clean contacts and adjust contact pressure | |
| 3. Frequent switching | 3. Optimize control logic to reduce unnecessary switching | |
| 4. Failed arc suppression | 4. Inspect and maintain arc shield | |
| Malfunction of auxiliary contacts | 1. Contact oxidation | 1. Polish and clean contacts |
| 2. Ablația de contact | 2. Replace auxiliary contact assembly | |
| 3. Cabluri slăbite | 3. Fasten terminal connections | |
| Overheating and burnt coil | 1. Supratensiune | 1. Keep voltage within rated range |
| 2. Excessive operation frequency | 2. Reduce switching frequency or adopt AC-4 type contactor | |
| 3. Temperatura ambientală ridicată | 3. Improve ventilation condition | |
| 4. Stuck iron core | 4. Ensure flexible mechanical movement |
- Conformitatea transportului aerian & Certificari
- Certificari
Certificare 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
Mărfuri nepericuloase, conforms to IATA DGR Class 9 cerințe
Standard industrial packaging, max 20 units per carton to avoid collision damage
Recommended marks: FRAGILE, ELECTRICAL EQUIPMENT, KEEP DRY
- Mediul de aplicare & Adaptation
Scenarii aplicabile
Controlul motorului industrial: Început, stop and reverse control of three-phase asynchronous motors below 90kW
Ventilator & Water Pump System: HVAC, industrial circulating water and sewage aeration equipment control
Controlul compresorului: Heavy-duty air and refrigeration compressors for AC-3 working condition
Linie de producție automată: Core component for sequence control and interlock protection
Building Electrical System: Aer conditionat central, 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
Scenarii nepotrivite
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
- Cazuri de aplicare
Caz 1: Central Air Conditioning Control of Large Shopping Mall
Aplicație: Control of 3 sets 90kW water chillers and 4 sets 75kW cooling tower fans
Challenges: 20-30 daily start-stop cycles, high reliability and energy saving requirement
Soluţie: NXC-185-380V + NXR-185 thermal overload relay + intelligent PLC control system
Result: Trouble-free operation for 2 ani, 30% energy saving with frequency conversion, 50% maintenance cost reduction
Caz 2: Conveyor System for Auto Parts Production Line
Aplicație: 12 belt conveyor lines with 75kW driving motor each, sequential start-stop and interlock protection
Challenges: Multi-motor synchronous control, frequent forward/reverse rotation, oily environment
Soluţie: NXC-185-380V for main drive + NXC-65-380V for auxiliary drive + safety relay
Result: Precise synchronous operation, IP20 protection against oil contamination, mechanical life up to 8 milioane de cicluri
- Ghid de selecție
Reguli rapide
Curent nominal: NXC-X ranging 6~630A, matching motor power about X/2 kW
Standard coil voltage: 220V / 380V; optional 110V / 24V / 48V
Contact auxiliar: 1NO+1NC for ≤80A; 2NO+2NC for ≥100A
Montare: Universal 35mm DIN rail for mainstream cabinets
Clasa de protectie: IP20, indoor cabinet use only, outdoor exposed installation prohibited
Specific Application Scenarios of NXC185-380V
- Controlul motorului
Început, stop and reverse control of three-phase asynchronous motors below 90kW
Continuous operation control of constant-load equipment including fans, pompe si compresoare
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
- Constructii & Infrastructură
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
- Energie & Protecția mediului
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
- Minerit & Metalurgie
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
