연락처 구성: Four types available: 2지, 2ZS, 3ZS, 4ZS
주요 특징: Adopts the patented technology of oxidation-free, arc-free explosion-proof current breaking, featuring oxidation resistance, zero arc discharge, 그리고 긴 서비스 기간. Encapsulated in a sealed transparent casing, it provides waterproof, dustproof, and corrosion-resistant performance, suitable for harsh environments such as low air pressure. Complete AC/DC voltage specifications, 다양한 장착 방법, various matching sockets available, and versions with indicator lights are offered.
Normal Operating Conditions: 온도 범위: -25°C ~ +55°C; 상대습도: 최대 95% at +25°C; Atmospheric pressure: 86kPa ~ 106kPa; 장착 위치: Any orientation
주요 매개변수:
접촉 매개변수: Contact material: 은합금. 2Z contact load: 10A/220VAC or 28VDC; 2ZS/3ZS contact load: 5A/220VAC or 28VDC; 4ZS contact load: 3A/220VAC or 28VDC. Maximum switching voltage: 250VAC/125VDC. Maximum switching power: 2200VA/280W for 2Z; 1100VA/140W for 2ZS/3ZS; 660VA/84W for 4ZS. 전기적 수명: 3×10⁵ 연산; 기계적 수명: 1×107 작업.
성능 & Characteristic Parameters: 절연저항: 100MΩ (500VDC). Dielectric withstand voltage: 1500VAC between open contacts; 500VAC between coil-yoke and between different contact groups. Operation time & Release time: ≤25ms each.
코일 매개변수: Rated power consumption: 0.9여 (DC), 1.8버지니아 (교류). 픽업 전압: ≤75% rated voltage (DC), ≤80% rated voltage (교류). 드롭아웃 전압: ≥10% rated voltage (DC), ≥20% rated voltage (교류). Maximum allowable voltage: 110% 정격 전압.
치수: 27.5×21.5×35.5mm
Chint NJX-13FW is an oxidation-free & arc-free electromagnetic relay. Relying on its core technologies and protective features, it is widely used in industrial automation, 전력 시스템, communication equipment, 철도 운송, marine and offshore engineering, harsh environment control, building 전기 같은 & 보안 시스템, and medical devices, especially suitable for severe working conditions such as low air pressure, 높은 습도, and heavy dust.
- Corresponding Relationship between Core Features and Applicable Scenarios
| 핵심 기능 | 적용 가능한 시나리오 |
| Oxidation-free & arc-free technology | Explosion-proof requirements, arc-sensitive circuits, precision electronic equipment control |
| Sealed transparent casing encapsulation | 방수복 (IP6K8), dustproof, 부식 방지; suitable for outdoor/industrial harsh environments |
| Long service life design | Frequent switching automation production lines, continuous operation equipment |
| Multiple contact configurations (2Z/2ZS/3ZS/4ZS) | Multi-circuit control, 신호 전환, complex logic circuits |
| Complete AC/DC specifications | Compatible with different power supply systems, high versatility |
| Multiple mounting methods | Front-panel top/side flange, PCB 납땜, plug-in type; suitable for various control cabinets and equipment |
- Detailed Application Field Analysis
- 산업 자동화 & 제어
PLC Control Systems: Used as PLC output interfaces to realize low-signal control of high-power loads (모터, 솔레노이드 밸브, 히터, 등.), compatible with 2Z (10에이), 2ZS/3ZS (5에이), 4ZS (3에이) for different power requirements
Production Line Automation: Applied to logic control and signal interlocking of conveyor lines, 포장 기계, printing machinery, improving equipment reliability and service life
프로세스 제어: Serves as an actuator in closed-loop control systems for temperature, 압력, 유량, 등., ensuring control accuracy and stability
- 전력 시스템 & 에너지 관리
Power Distribution Protection: Acts as an actuator in overload, 저전압, overcurrent protection circuits to monitor and control circuit on/off status
발전기 & Transformer Control: Used for start/stop control, excitation regulation, temperature protection, compatible with maximum switching voltage of 250VAC/125VDC
태양광 & Wind Power Systems: Performs signal switching and protection in combiner boxes and inverters, withstanding outdoor environments and voltage fluctuations
- 의사소통 & 전자 장비
통신 기지국: Applied to power distribution, signal routing, and equipment protection; sealed design resists dust and moisture in outdoor/base station room environments
데이터 센터: Used for server cluster power management and UPS system switching control; zero-arc feature ensures data security
Broadcasting & TV Equipment: Performs signal switching and power control of transmitters and OB vans, ensuring stable signal transmission
- Rail Transit Systems
Train Control Circuits: Logic control of door systems, 조명 시스템, air conditioning regulation, and braking systems, adapting to vibration and environmental changes during train operation
Signal Systems: Control of railway signal lights, switch points, and platform screen door systems; zero-arc technology improves signal reliability
Vehicle Auxiliary Equipment: Battery management and charging system control, withstanding voltage fluctuations in vehicle electrical systems
- 선박 & 해양 엔지니어링
해양 전기 시스템: Remote control of main engines, auxiliary engine control, power management of navigation equipment; sealed design resists high salt spray and humidity in marine environments
Offshore Platform Equipment: Control circuits of drilling platforms and offshore wind power equipment, adapting to low air pressure and harsh weather conditions
Marine Automation: Engine room monitoring and alarm systems (MSA), liquid level control, 화재 예방 시스템; long service life reduces maintenance frequency
- Special Control for Harsh Environments
Mining Equipment: Control of underground ventilation, drainage, and transportation systems, withstanding low air pressure and dusty environments
화학적인 & 야금 산업: Pump and valve control, temperature monitoring in corrosive environments; corrosion-resistant features extend service life
Outdoor Intelligent Equipment: Street light control, environmental monitoring stations, meteorological equipment; IP6K8 protection grade ensures stable operation
- 전기 건물 & Security Systems
빌딩 자동화: Control of central air conditioning, 환기 시스템, water supply and drainage pumps; compatible with multiple contact configurations to meet different load requirements
화재 경보 연결: Control of fire alarm systems, 연기 배출 팬, 소방 펌프; zero-arc feature enhances safety
Security Monitoring: Power management of access control systems and video surveillance equipment, ensuring 24-hour stable operation
- 의료 & Laboratory Equipment
Medical Instruments: Power switching and control of monitors, analyzers, disinfection equipment; oxidation-free feature ensures circuit purity
Laboratory Equipment: Control of precision testing instruments and environmental simulation chambers, adapting to high-precision control requirements in laboratories
III. Typical Application Examples
| 응용 시나리오 | Recommended Contact Configuration | Recommended Mounting Method | 핵심 장점 |
| PLC-controlled motor start/stop | 2지 (10에이) | 플러그인 유형 + CZTO8A-E socket | Zero-arc protection for PLC, long service life suitable for frequent start/stop |
| Communication base station power distribution | 3ZS (5에이) | PCB type | Sealed protection, multi-circuit control, 안정적인 신호 |
| Marine engine room liquid level control | 2ZS (5에이) | Side flange type | Corrosion and moisture resistance, adapting to marine vibration environment |
| Mining ventilation system control | 4ZS (3에이) | Top flange type + arc shield | Low air pressure resistance, multi-circuit interlocking protection |
- 선택 권장 사항
- Select contact configuration based on load power: 2Z for 10A loads, 2ZS/3ZS for 5A loads, 4ZS for 3A loads
- 열악한 환경용, prioritize versions with indicator lights (B형) or arc shields (M타입)
- For DC control circuits, it is recommended to select versions with surge suppression (B형) to protect coils and control equipment
- For frequent switching scenarios, give priority to its advantages of 3×10⁵ electrical life and 1×10⁷ mechanical life
Selection and Replacement Comparison Manual for Chint NJX-13FW and Equivalent Relays of Mainstream Brands
- Overview of Core Parameter Comparison (Priority Order)
| 상표 & 모델 | 연락처 구성 | 정격전류 | Maximum Switching Voltage | 코일 전력 소비 | 전기적 수명 | 기계적 수명 | 보호 등급 | 장착 방법 | Matching Socket |
| Chint NJX-13FW | 2지(10에이)/2ZS/3ZS(5에이)/4ZS(3에이) | 3A/5A/10A | 250VAC/125VDC | DC:0.9여 | 3×10⁵ 연산 | 1×107 작업 | IP6K8 (봉인된) | Top/side flange, PCB, 플러그인 | CZTO8A-E/CZTO14A-E |
| 교류:1.8버지니아 | |||||||||
| Schneider RXM2AB2P7 | 2콜로라도(10에이) | 10에이 | 250VAC/30VDC | DC:1여 | 1×10⁶ 연산 | 1×107 작업 | IP20 | 플러그인 유형 (16mm 폭) | RXM4AB1P7 |
| 교류:2버지니아 | |||||||||
| Omron LY2-DC24 | 2콜로라도(10에이) | 10에이 | 250VAC/30VDC | DC:1여 | 1×10⁶ 연산 | 1×107 작업 | IP40 | 플러그인 유형 (standard 8-pin) | PYF08A-E |
| 교류:2.4버지니아 | |||||||||
| Siemens 3RH2122-1BB40 | 2아니요+2NC(10에이) | 10에이 | 250VAC/30VDC | DC:1.2여 | 1×10⁶ 연산 | 1×107 작업 | IP20 | 플러그인 유형 (14-핀) | 3RH1921-1HA11 |
| 교류:3버지니아 | |||||||||
| ABB NF21E-10 | 2아니요+2NC(10에이) | 10에이 | 250VAC/30VDC | DC:1여 | 1×10⁶ 연산 | 1×107 작업 | IP20 | 플러그인 유형 | NF21E-10 Socket |
| 교류:2.5버지니아 |
- Detailed Technical Parameter Comparison (By Category)
- Contact System Parameters
| 매개변수 항목 | Chint NJX-13FW | Schneider RXM2AB2P7 | Omron LY2-DC24 | Siemens 3RH2122-1BB40 | 비고 |
| 접촉 재료 | 은합금 (oxidation-free patent) | Silver-nickel alloy | 은합금 | 은합금 | NJX-13FW has zero-arc feature |
| 2Z/2CO Load | 10A/220VAC | 10A/250VAC | 10A/250VAC | 10A/250VAC | Basic load capacity is consistent |
| 10A/28VDC | 10A/30VDC | 10A/30VDC | 10A/30VDC | ||
| 3ZS/3CO Load | 5A/220VAC | 5A/250VAC | 5A/250VAC | 5A/250VAC | NJX-13FW offers 3ZS configuration |
| 5A/28VDC | 5A/30VDC | 5A/30VDC | 5A/30VDC | ||
| 4ZS/4CO Load | 3A/220VAC | 3A/250VAC | 3A/250VAC | 3A/250VAC | NJX-13FW offers 4ZS configuration |
| 3A/28VDC | 3A/30VDC | 3A/30VDC | 3A/30VDC | ||
| Maximum Switching Power | 2지:2200VA/280W | 2500VA/300W | 2500VA/300W | 2500VA/300W | Mainstream brands have slightly higher power |
| 2ZS/3ZS:1100VA/140W | |||||
| 4ZS:660VA/84W | |||||
| 유전체 내전압 | 1500VAC between open contacts | 1500VAC (all circuits) | 1500VAC (all circuits) | 1500VAC (all circuits) | Coil-contact voltage of NJX-13FW is slightly lower |
| 500VAC between coil & 콘택트 렌즈 |
- 코일 & Action Characteristic Parameters
매개변수 항목 Chint NJX-13FW Schneider RXM2AB2P7 Omron LY2-DC24 Siemens 3RH2122-1BB40 비고 Rated Voltage Range 교류:24V~380V 교류:24V~230V 교류:24V~230V 교류:24V~230V Coverage range is basically consistent DC:6V~220V DC:6V~240V DC:6V~240V DC:6V~240V Pick-up Voltage DC≤75%Un DC≤75%Un DC≤75%Un DC≤75%Un Minimal difference AC≤80%Un AC≤85%Un AC≤85%Un AC≤85%Un 드롭아웃 전압 DC≥10%Un DC≥10%Un DC≥10%Un DC≥10%Un Consistent with standards AC≥20%Un AC≥20%Un AC≥20%Un AC≥20%Un Operation Time 25ms 이하 20ms 이하 20ms 이하 20ms 이하 Mainstream brands have slightly faster response 출시 시간 25ms 이하 20ms 이하 20ms 이하 20ms 이하 Mainstream brands have slightly faster response 서지 억제 Optional Type B (다이오드 포함) 내장형 서지 억제 Optional with surge suppression 내장형 서지 억제 NJX-13FW is optional configuration - 물리적 & 환경 매개변수
| 매개변수 항목 | Chint NJX-13FW | Schneider RXM2AB2P7 | Omron LY2-DC24 | Siemens 3RH2122-1BB40 | 비고 |
| 치수 | 27.5×21.5×35.5mm | 29×16×38mm | 29×18×36mm | 30×22×40mm | NJX-13FW is more compact |
| 무게 | 대략. 35g | 대략. 40g | 대략. 38g | 대략. 42g | NJX-13FW is lighter |
| 작동 온도 | -25°C~+55°C | -25°C~+55°C | -25°C~+55°C | -25°C~+55°C | Consistent with standards |
| 상대습도 | 95% (25°C에서) | 95% (25°C에서) | 95% (25°C에서) | 95% (25°C에서) | Consistent with standards |
- Socket Compatibility
연락처 구성 Chint Matching Socket Schneider Matching Socket Omron Matching Socket Cross-brand Replacement Suggestion 2지 (8-핀) CZTO8A-E RXM4AB1P7 PYF08A-E Pin arrangement is consistent, 직접 교체 가능 3ZS/4ZS (14-핀) CZTO14A-E RXM4AB2P7 PYF14A-E Pin arrangement is consistent, 직접 교체 가능 Selection and Replacement Decision Matrix (애플리케이션 시나리오별)
| 응용 시나리오 | Priority Recommended Model | 교체 노트 | Core Advantage Selection |
| 가혹한 환경 (dust/humidity/low air pressure) | Chint NJX-13FW | Sealed protection, zero-arc explosion-proof | Oxidation-free & zero-arc + IP6K8 protection |
| PLC 제어 (표준 하중) | Schneider RXM2AB2P7 | Slightly higher coil power consumption, 더 빠른 응답 | Good brand compatibility, sufficient spare parts |
| Omron LY2-DC24 | |||
| 빈번한 전환 (high life requirement) | Omron LY2-DC24 | Electrical life of 1×10⁶ operations (higher than NJX-13FW) | 긴 수명의 디자인, 안정적이고 신뢰할 수 있는 |
| Schneider RXM2AB2P7 | |||
| Compact installation (space-constrained) | Chint NJX-13FW | Dimensions of 27.5×21.5×35.5mm (가장 작은) | 작은 사이즈, light weight |
| Flange mounting requirement | Chint NJX-13FW | Only model supporting top/side flange mounting | 유연한 설치, suitable for special cabinets |
| 비용에 민감한 프로젝트 | Chint NJX-13FW | Price is about 60%-70% of imported brands | 높은 비용 성능, performance meets industrial standards |
- Key Replacement Points and Risk Tips
- Three Elements for Safe Replacement
- 전기적 매개변수 매칭: Ensure contact rated current/voltage ≥ original load, consistent coil voltage, and corresponding surge suppression configuration
- Mechanical Dimension Compatibility: For plug-in installation, confirm pin quantity and arrangement consistency; for PCB installation, verify pad positions
- 환경 적응: For replacement in harsh environments, prioritize protection grade to avoid failures caused by insufficient sealing
- Risk Avoidance Measures
Zero-arc application scenarios: Must select Chint NJX-13FW; no other brands have this patented technology
Explosion-proof occasions: Confirm product explosion-proof certification; only NJX-13FW has explosion-proof current breaking patent
Special installation: Top/side flange mounting is only available for NJX-13FW; no other brands offer this mounting method
- Summary and Procurement Suggestions
- Direct Replacement with Same Parameters: Under standard working conditions, Chint NJX-13FW is fully compatible with Schneider RXM series, Omron LY series, and Siemens 3RH series in core parameters such as contact load and coil voltage, allowing direct interchangeability
- Differentiated Advantage Selection:
가혹한 환경: Chint NJX-13FW with oxidation-free & zero-arc + IP6K8 sealing is the only choice
Standard working conditions: Imported brands (Schneider/Omron) with sufficient spare parts and high brand recognition
비용 관리: Chint NJX-13FW with high cost performance and performance meeting industrial standards
- Procurement Suggestion: For batch replacement, it is recommended to conduct small-batch tests first to verify compatibility and stability before large-scale application
접촉기,회로 차단기,태양광 인버터,전기 계량기,태양 전지

















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