المقاولين,قاطع الدائرة,العاكس للطاقة الشمسية,عداد كهرباء,البطاريات الشمسية
CJX2-4011 is a 3-pole AC contactor from CHNT’s classic CJX2 series, with a 40A rated current and equipped with 1 لا + 1 NC auxiliary contacts.
It is suitable for AC-3 duty (على سبيل المثال, three-phase motors) and widely used in industrial motor control, power distribution switching, and automation systems. It is a cost-effective choice from a leading domestic brand.
- نموذج & Part Number Explanation
| Model Part | وصف |
| CJX2 | رمز السلسلة (CJ = AC contactor, X2 = 2nd generation) |
| 40 | Rated operational current of main poles: 40أ (AC‑3, 380V) |
| 11 | اتصالات مساعدة: 1 لا (Normally Open) + 1 نورث كارولاينا (Normally Closed) |
| Common coil voltages | تيار متردد 24 فولت / AC36V / تيار متردد 110 فولت / تيار متردد 220 فولت / تيار متردد 380 فولت (select as required) |
- Core Technical Specifications
| غرض | مواصفة | ملحوظات |
| ماركة & نموذج | CHNT CJX2-4011 | Compatible with Schneider LC1-D40 series |
| البولنديين | 3ص (3 main poles) | For three‑phase AC loads |
| التصنيف الحالي (Ie) | 40أ (AC‑3, 380V) | Suitable for 18.5kW three‑phase motor |
| Rated operational voltage (إي) | الأعلى. AC690V | Normal use: AC380V/400V |
| Control coil voltage | Multi‑range optional (AC24/36/110/220/380V) | Must match control circuit voltage |
| كسر القدرة | AC‑3: 40أ; AC‑1: 110أ | Meets general industrial load switching |
| اتصالات مساعدة | 1 لا + 1 نورث كارولاينا | For status feedback and interlocking |
| تصاعد | 35مم DIN السكك الحديدية + screw fixing | Fits standard electrical cabinets |
| Wiring capacity | Main: 4~10mm² Cu; Coil: 1.5~2.5mm² | |
| الحياة الميكانيكية | ≥ 10 مليون عملية | Reliable for frequent use |
| الحياة الكهربائية | ≥ 1 مليون عملية (AC‑3) | Silver alloy contacts for durability |
| Operating temp | -5℃ ~ +40℃ | For standard industrial environments |
| Protection degree | IP20 | Prevents finger contact with live parts |
- سمات & Advantages
- High-reliability contact system
Silver alloy contacts offer good conductivity, anti-welding, and arc resistance
32-sheet silicon steel core for stable, low-noise operation (≤55dB)
Red copper coil + flame-retardant housing for high temperature resistance
- Dual mounting flexibility
Standard 35mm DIN rail for quick installation
Also supports screw mounting for panel installation
- Energy saving
Low power consumption for long-term operation
Stable coil pull-in, reduced control circuit energy use
- Strong compatibility
Directly matches CHNT NR2 series thermal overload relays
Dimensions compatible with Schneider LC1-D40 series for direct replacement
- تثبيت & Wiring Guide
4.1 متطلبات التثبيت
DIN rail: Clip onto 35mm standard rail and ensure full locking
تركيب المسمار: Use M4 screws on a flat surface with ≥10mm clearance for heat dissipation
Prefer vertical installation; avoid horizontal mounting
4.2 Wiring Specification
| نوع المحطة | Marking | وصف | Cautions |
| Main poles | L1, L2, L3 (line); T1, T2, T3 (حمولة) | Connect three‑phase power / محرك | Disconnect power before wiring; torque 0.8~1.2N·m |
| Coil | أ1, A2 | Connect to control circuit (pushbutton, بلك) | Coil voltage must match; do not reverse polarity |
| Auxiliary | لا (13‑14), نورث كارولاينا (21‑22) | Feedback / interlock circuit | Distinguish NO/NC correctly |
4.3 Key Wiring Notes
Do NOT mix main pole and coil terminals
Securely crimp wires to avoid overheating
When used with a thermal relay, connect it after T1/T2/T3
- التطبيقات النموذجية
Three-phase motor control: 7.5kW~18.5kW pumps, المشجعين, الناقلات
توزيع الطاقة الصناعية: cabinet switching, capacitor bank control
Automated production lines: PLC-controlled start/stop and interlock
Building systems: التدفئة والتهوية وتكييف الهواء, مصاعد, fire pumps
Machine tools: lathes, milling machines, drilling machines
- نماذج الاستبدال & التوافق
6.1 CHNT Upgraded Replacements
| Original | استبدال | الفرق الرئيسي | طلب |
| CJX2-4011 | NXC-4011 | Kunlun series, upgraded contacts, smaller, lower power | New panels, system upgrades |
| CJX2-4011 | CJX2-4001 | 1 NC only | Fault feedback only |
| CJX2-4011 | CJX2-4022 | 2 لا + 2 نورث كارولاينا | Complex interlocking |
6.2 Cross-Brand Equivalents
| ماركة | Equivalent Model | Matching Specs |
| شنايدر | LC1-D4011M5C | 40أ, 3ص, 1NO+1NC, AC220V coil |
| سيمنز | 3TF4722-0XM0 | 40أ, 3ص, 2NO+2NC |
| ايه بي بي | A40-30-11 | 40أ, 3ص, 1NO+1NC |
| لذيذ | CJX2-4011 | Directly interchangeable |
- Purchasing & Usage Tips
- Authenticity
Buy via official channels to avoid counterfeits
Verify model, coil voltage, and poles
- مُكَمِّلات
Must use with NR2 thermal relay for motor overload protection
Surge suppressor (SR2 series) recommended for frequent switching
- Selection Rules
AC-3 for motors; AC-1 للأحمال المقاومة
Coil voltage must match control power
Higher protection grade for dusty/humid environments
- صيانة
Check terminal tightness every 6–12 months
Clean contacts and replace if worn
Energize briefly before long-term storage
> ملحوظة: CJX2-4011 is a general-purpose contactor with high cost-performance, stable supply, and easy replacement. Widely used in machinery, chemical, building materials, light industry.
Complete CHNT AC Contactor Series-Models & Order Codes
Core Overview
CHNT AC contactors cover 5 main series:
CJX2 (classic), NXC (Kunlun upgrade), NC1 (industrial IEC), NC2 (high current), NC8 (high voltage heavy duty).
Models are coded by current + اتصالات مساعدة + coil voltage.
Order codes start with 710010xxxx and cover 6A ~ 1250A.
- CJX2 Series (Classic, يجري التخلص منها تدريجيا)
طلب: Small-medium motors, 35مم DIN السكك الحديدية, compatible with Schneider LC1-D.
| نموذج | Key Specs | Typical Order Code (تيار متردد 220 فولت) | Motor |
| CJX2-0610 | 6أ, 1لا | 7100102000610220 | 2.2كيلوواط |
| CJX2-0910 | 9أ, 1لا | 7100102000910220 | 4كيلوواط |
| CJX2-1210 | 12أ, 1لا | 7100102001210220 | 5.5كيلوواط |
| CJX2-1810 | 18أ, 1لا | 7100102001810220 | 7.5كيلوواط |
| CJX2-2510 | 25أ, 1لا | 7100102002510220 | 11كيلوواط |
| CJX2-3210 | 32أ, 1لا | 7100102003210220 | 15كيلوواط |
| CJX2-4011 | 40أ, 1NO+1NC | 710010200403220 | 18.5كيلوواط |
| CJX2-5011 | 50أ, 1NO+1NC | 7100102005011220 | 22كيلوواط |
| CJX2-6511 | 65أ, 1NO+1NC | 7100102006511220 | 30كيلوواط |
| CJX2-9511 | 95أ, 1NO+1NC | 7100102009511220 | 45كيلوواط |
> ملحوظة: 01=1NC, 10=1NO, 11=1NO+1NC. Coil voltages: AC24/36/110/220/380V. Last 3 digits = voltage code.
- NXC Series (Kunlun Upgrade, Mainstream)
طلب: CJX2 replacement, smaller, lower power, longer life.
| نموذج | Key Specs | Typical Order Code (تيار متردد 220 فولت) | طلب |
| NXC-06 | 6أ, 1لا | 710010100000498 | محرك صغير, إضاءة |
| NXC-09 | 9أ, 1لا | 710010100000499 | مضخات, المشجعين |
| NXC-12 | 12أ, 1لا | 710010100000500 | Small machines, A/C |
| NXC-18 | 18أ, 1لا | 710010100000501 | 7.5kW motor |
| NXC-25 | 25أ, 1لا | 710010100000502 | 11kW motor |
| NXC-32 | 32أ, 1لا | 710010100000503 | 15kW motor |
| NXC-40 | 40أ, 1NO+1NC | 710010100000504 | 18.5kW motor |
| NXC-50 | 50أ, 1NO+1NC | 710010100000505 | 22kW motor |
| NXC-65 | 65أ, 1NO+1NC | 710010100000506 | 30kW motor |
| NXC-80 | 80أ, 2NO+2NC | 710010100000507 | 45kW motor |
| NXC-100 | 100أ, 2NO+2NC | 710010100000508 | 55kW motor |
| NXCQ-40 | 40أ, mechanical emergency | 710010100002345 | Fire pump |
> ملحوظة: Z = DC coil (على سبيل المثال, NXC-12Z DC24V); M = mechanical latching.
- NC1 Series (Industrial IEC Standard)
طلب: International standard, high reliability, frequent operation.
| نموذج | Key Specs | Typical Order Code (تيار متردد 230 فولت) | Coil Type |
| NC1-0910 | 9أ, 1لا | 7100161000910230 | تكييف |
| NC1-1201 | 12أ, 1نورث كارولاينا | 7100161001201230 | تكييف |
| NC1-2511 | 25أ, 1NO+1NC | 7100161002511230 | تكييف |
| NC1-4011 | 40أ, 1NO+1NC | 71001610804011200 | تكييف |
| NC1-6511 | 65أ, 1NO+1NC | 71001610806511200 | تكييف |
| NC1-9511 | 95أ, 1NO+1NC | 71001610809511200 | تكييف |
| NC1-1210Z | 12أ, 1لا | 710016121210024 | DC24V |
| NC1-2501Z | 25أ, 1نورث كارولاينا | 7100161212501020 | DC24V |
> ملحوظة: NC1-N = reversing contactor. Z = DC coil.
- NC2 Series (High Current Industrial)
طلب: Heavy motors & main circuits up to 800A.
| نموذج | Key Specs | Typical Order Code (تيار متردد 220 فولت) | طلب |
| NC2-150 | 150أ, 3ص | 7100162001501220 | Main switch, large fan |
| NC2-225 | 225أ, 3ص | 7100162002251220 | Air compressor |
| NC2-400 | 400أ, 3ف/4ف | 7100162004001220 | Data center |
| NC2-630 | 630أ, 3ف/4ف | 7100162006301220 | Large equipment |
| NC2-800 | 800أ, 3ف/4ف | 7100162008001220 | Main incomer |
> ملحوظة: 3P/4P available. Shunt trip, undervoltage release optional.
- NC8 Series (High Voltage Heavy Duty)
طلب: Up to 1140V, 2650A for metallurgy, mining, marine.
| نموذج | Key Specs | Typical Order Code (تيار متردد 220 فولت) | طلب |
| NC8-12M10 | 12أ, 1لا | 71001680001210200 | High-voltage auxiliary |
| NC8-25M11 | 25أ, 1NO+1NC | 71001680002511200 | HV motor control |
| NC8-40M22 | 40أ, 2NO+2NC | 71001680004022200 | HV cabinet |
| NC8-100M22 | 100أ, 2NO+2NC | 71001680010022200 | Large HV motor |
| NC8-500M22 | 500أ, 2NO+2NC | 71001680050022200 | Mining, marine |
> ملحوظة: M = mechanical latching. 4P for 3P+N systems. DC coil available.
- General Selection & Order Code Rules
6.1 Model Coding
| موضع | معنى | مثال (CJX2-4011 AC220V) |
| Prefix | مسلسل | CJX2, NXC, NC1 |
| Middle | التصنيف الحالي (AC‑3, 380V) | 40 = 40A |
| لاحقة 1 | اتصالات مساعدة | 11 = 1NO+1NC |
| لاحقة 2 | Poles/function | /4 = 4P; /Z = DC; /M = latching |
6.2 Order Code Format
معيار: 710010xxxxxxx
مثال:
CJX2-4011 AC220V → 710010200403220
NXC-12 DC24V → 710010100000500Z
6.3 نقاط الاختيار الرئيسية
- Load: AC-3 for motors; AC-1 للأحمال المقاومة
- Coil voltage must match control power
- اتصالات مساعدة: 10, 01, 11, 22
- البولنديين: 3P for three-phase; 4P for 3P+N
- Series Comparison & توصية
| مسلسل | حاضِر | Key Strength | طلب |
| CJX2 | 6A~95A | Mature, low cost, compatible | Retrofit, general use |
| NXC | 6A~100A | صغير, low power, long life | New projects, automation |
| NC1 | 9A~95A | IEC standard, high reliability | يصدّر, frequent duty |
| NC2 | 150أ ~ 800 أ | High current, heavy duty | صناعة, data center |
| NC8 | 12A~2650A | HV, extreme environment | Metallurgy, mining, marine |
