접촉기,회로 차단기,태양광 인버터,전기 계량기,태양 전지
NXC-185-380V (주문번호: 710010100000343)
| 분절 | 의미 | 설명 |
| NXC | 제품 시리즈 | CHINT Kunlun 시리즈 AC 접촉기, 기존 CJX2 시리즈를 대체하는 업그레이드된 컴팩트 구조 |
| 185 | 정격전류 | Rated operational current of main contact: 185에이 (AC-3, 400다섯) |
| 380다섯 | 코일 전압 | Rated control coil voltage: AC380V, standard frequency 50Hz |
Supplementary Specifications: 3-폴 (3피), 3 normally-open main contacts, 2NO+2NC 보조 접점, standard mounting type
- 핵심 사양 매개변수
| 범주 | 기술 데이터 | 비고 |
| Basic Properties | ||
| 제품 유형 | Electromagnetic AC Contactor | 쿤룬 시리즈, replacement for CJX2-1850 |
| 적용 가능한 표준 | GB/T 14048.4 / IEC 60947-4-1 | Compliant with GB 21518 안전기준 |
| 정격 절연 전압 | 1000다섯 | Unified standard for specifications above 120A |
| 정격 작동 전압 | 220V~690V | Compatible with various industrial power supply systems |
| 전기적 매개변수 | ||
| 정격 작동 전류 (즉) | 185에이 (AC-3, 400다섯) | Matches motor power around 90kW |
| 정격 제작 용량 | 10×즉 (AC-3) | 1850에이, reliable load switching |
| 정격 차단 용량 | 8×즉 (AC-3) | 1480에이, safe fault current interruption |
| 코일 매개변수 | AC380V, 50헤르츠, power approx. 170버지니아 | Pick-up/holding power ratio about 3:1 |
| 보조 연락처 | 2아니요+2NC, rated current 5A | Signal transmission for control circuits |
| 기계적 매개변수 | ||
| 극수 | 3피 (3 주요 연락처 없음) | 표준 구성, 4P version optional |
| 장착 방법 | 표준 35mm DIN 레일 / 나사 장착 | Fits mainstream control cabinets |
| 하우징 재질 | Flame-retardant engineering plastic | UL94 V0 flame resistance grade |
| 보호 등급 | IP20 | Finger-touch safe, indoor cabinet installation only |
| 기계적 수명 | 10,000,000 운영 | 긴 서비스 수명, low maintenance frequency |
| 전기적 수명 | 1,000,000 운영 (AC-3) | Suitable for frequent start-stop operation |
| 환경 매개변수 | ||
| 작동 온도 | -30°C ~ +70°C | Wide temperature range for harsh industrial conditions |
| 보관 온도 | -40°C ~ +85°C | Meets storage and transportation requirements |
| 상대습도 | 5%~95%, 비응축 | Adaptable to humid working environment |
| 고도 | 2000m 이하 | Derating required for higher altitude |
- Cross-brand Replacement Comparison
| 상표 | 모델 | 유사한 기능 | 차이점 |
| 친트 | NXC-185-380V | Reference model | 쿤룬 시리즈, 비용 효율적, preferred domestic replacement |
| 슈나이더 | LC1D18500Q7 | 185에이, 3피, 380V 코일 | 더 높은 가격, 1NO+1NC auxiliary contacts |
| 씨줄 | A185-30-11 | 185에이, 3피, 380V 코일 | 1NO+1NC auxiliary contacts, different mounting dimensions |
| 지멘스 | 3RT2036-1AP00 | 185에이, 3피, 380V 코일 | High price, 빠른 응답, ideal for precision control |
| 딜릭시 | CDM3-185 | 185에이, 3피, 380V 코일 | 국내 대안, similar price, slightly lower performance |
교체 노트:
- 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
- 전체 시리즈 모델 목록 (Core NXC Models)
| 모델 | 정격전류 | 코일 전압 | 보조 연락처 | 폴 | 주문 번호. |
| NXC-06-220다섯 | 6에이 | AC220V | 1아니요+1NC | 3피 | 710010100000001 |
| NXC-12-380V | 12에이 | AC380V | 1아니요+1NC | 3피 | 710010100000002 |
| NXC-18-220V | 18에이 | AC220V | 1아니요+1NC | 3피 | 710010100000003 |
| NXC-25-380V | 25에이 | AC380V | 1아니요+1NC | 3피 | 710010100000004 |
| NXC-32-220V | 32에이 | AC220V | 1아니요+1NC | 3피 | 710010100000005 |
| NXC-40-380V | 40에이 | AC380V | 1아니요+1NC | 3피 | 710010100000006 |
| NXC-50-220V | 50에이 | AC220V | 1아니요+1NC | 3피 | 710010100000007 |
| NXC-65-380V | 65에이 | AC380V | 1아니요+1NC | 3피 | 710010100000008 |
| NXC-80-220V | 80에이 | AC220V | 2아니요+2NC | 3피 | 710010100000009 |
| NXC-100-380V | 100에이 | AC380V | 2아니요+2NC | 3피 | 710010100000305 |
| NXC-120-220V | 120에이 | AC220V | 2아니요+2NC | 3피 | 710010100000306 |
| NXC-150-380V | 150에이 | AC380V | 2아니요+2NC | 3피 | 710010100000307 |
| NXC-185-380V | 185에이 | AC380V | 2아니요+2NC | 3피 | 710010100000343 |
| NXC-225-380V | 225에이 | AC380V | 2아니요+2NC | 3피 | 710010100000344 |
| NXC-265-380V | 265에이 | AC380V | 2아니요+2NC | 3피 | 710010100000345 |
모델 확장 규칙:
Suffix M: Reversible contactor (예를 들어. NXC-25M-220V)
Suffix 4P: 4-극 접촉기 (예를 들어. NXC-65-4P-380V)
Suffix Z: DC 코일 (예를 들어. NXC-18-24Z)
Auxiliary contact expansion: Max 6NO+6NC with F4-XX auxiliary contact block
- 일반적인 결함 & 문제 해결
| 결함 현상 | 가능한 원인 | 솔루션 |
| 접촉기가 당겨지지 않음 | 1. Abnormal coil voltage | 1. Verify stable 380V power supply |
| 2. Open control circuit | 2. Check wiring and fuse | |
| 3. 구운 코일 | 3. Test coil resistance (normal ~800Ω), replace damaged coil | |
| 4. Mechanical jam | 4. Clean iron core and reset spring | |
| 장착 후 소음이 심함 | 1. Oil contamination on core surface | 1. Clean contact surface of iron core |
| 2. 깨진 단락 링 | 2. Replace iron core or short-circuit ring | |
| 3. 저전압 | 3. Ensure voltage ≥85% rated value | |
| Overheated / burned contacts | 1. 과도한 부하 전류 | 1. Upgrade to higher capacity model |
| 2. Poor contact performance | 2. Clean contacts and adjust contact pressure | |
| 3. 빈번한 전환 | 3. Optimize control logic to reduce unnecessary switching | |
| 4. Failed arc suppression | 4. Inspect and maintain arc shield | |
| Malfunction of auxiliary contacts | 1. 접촉 산화 | 1. Polish and clean contacts |
| 2. 접촉절제 | 2. Replace auxiliary contact assembly | |
| 3. 느슨한 배선 | 3. Fasten terminal connections | |
| Overheating and burnt coil | 1. 과전압 | 1. Keep voltage within rated range |
| 2. Excessive operation frequency | 2. Reduce switching frequency or adopt AC-4 type contactor | |
| 3. 높은 주변 온도 | 3. Improve ventilation condition | |
| 4. Stuck iron core | 4. Ensure flexible mechanical movement |
- 항공 화물 규정 준수 & 인증
- 인증
CE 인증, 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
위험하지 않은 물품, conforms to IATA DGR Class 9 요구 사항
Standard industrial packaging, 최대 20 units per carton to avoid collision damage
Recommended marks: FRAGILE, ELECTRICAL EQUIPMENT, KEEP DRY
- 응용 환경 & 적응
적용 가능한 시나리오
산업용 모터 제어: 시작, stop and reverse control of three-phase asynchronous motors below 90kW
팬 & Water Pump System: 공조, industrial circulating water and sewage aeration equipment control
Compressor Control: Heavy-duty air and refrigeration compressors for AC-3 working condition
Automatic Production Line: Core component for sequence control and interlock protection
Building Electrical System: 중앙 에어컨, fire water pump and elevator room equipment control
광산 기계: 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
사례 1: Central Air Conditioning Control of Large Shopping Mall
애플리케이션: 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
해결책: NXC-185-380V + NXR-185 thermal overload relay + intelligent PLC control system
Result: Trouble-free operation for 2 연령, 30% energy saving with frequency conversion, 50% maintenance cost reduction
사례 2: Conveyor System for Auto Parts Production Line
애플리케이션: 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
해결책: NXC-185-380V for main drive + NXC-65-380V for auxiliary drive + safety relay
Result: Precise synchronous operation, IP20 protection against oil contamination, 기계적 수명은 최대 8 백만 사이클
- 선택 지침
빠른 규칙
정격전류: NXC-X ranging 6~630A, matching motor power about X/2 kW
Standard coil voltage: 220다섯 / 380다섯; optional 110V / 24다섯 / 48다섯
보조 접점: 1NO+1NC for ≤80A; 2NO+2NC for ≥100A
설치: Universal 35mm DIN rail for mainstream cabinets
보호 등급: IP20, indoor cabinet use only, outdoor exposed installation prohibited
Specific Application Scenarios of NXC185-380V
- 모터 제어
시작, stop and reverse control of three-phase asynchronous motors below 90kW
Continuous operation control of constant-load equipment including fans, 펌프 및 압축기
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
- 건설 & 하부 구조
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
- 에너지 & 환경 보호
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
- 채광 & 야금
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
