المقاولين,قاطع الدائرة,العاكس للطاقة الشمسية,عداد كهرباء,البطاريات الشمسية
CHINT CJ40-1000 is a heavy-duty موصل التيار المتردد with a rated current of 1000A, suitable for controlling high-power motors under AC-3 duty category. It features high reliability, strong breaking capacity, and optional energy-saving design, and is widely used in power systems, industrial control, and heavy machinery. Below is the complete technical data and application selection guide.
- المعلمات الأساسية & Key Specifications
| غرض | قيمة | ملاحظات |
|---|---|---|
| Rated operational current (إيث) | 1000أ | ايه سي-1, 380V |
| تصنيف الجهد العزل (واجهة المستخدم) | 1140V | Complies with IEC/EN 60947-4-1 |
| AC-3 control capacity | 380V/625kW, 660V/475kW, 1140V/600kW | Squirrel-cage motors |
| Conventional thermal current | 1000أ | – |
| Coil control voltage | AC 110V/127V/220V/380V, DC 110V/220V | 50Hz standard |
| Coil power consumption | Starting approx. 360فرجينيا, Holding approx. 91.2فرجينيا | النوع القياسي; J-type saves 90% طاقة |
| Mechanical durability | 3,000,000 العمليات | Unified for 630~1000A |
| Electrical durability | 1,000,000 العمليات | AC-3 at rated conditions |
| Operating voltage range | Pull-in: 85%~110% Us, Drop-out: 10%~75% Us | Energy-saving type standard |
| اتصالات مساعدة | 4لا + 2نورث كارولاينا (معيار) | Rated current 16A, AC-15 380V 1.3A |
| Overall dimensions | 244.5×347×287.5mm | Including arc chute |
| Ambient conditions | -5℃~+40℃, altitude ≤2000m, درجة التلوث 3 | Installation class III |
- الميزات الهيكلية & المزايا التقنية
- Direct-acting double-breakpoint design
Main contacts made of silver alloy, excellent conductivity and arc erosion resistance
Double-breakpoint structure improves breaking capacity and reduces contact wear
- High-efficiency arc extinguishing system
Arc-resistant plastic + iron grid arc chute, avoids fragility of traditional ceramic chutes
Strong breaking performance, suitable for heavy-duty frequent start/stop applications
- Energy-saving version (J-type)
CJ40-1000J achieves up to 90% energy saving, greatly reduces coil power loss
AC/DC universal, compatible with various control power supplies
- Reliable electromagnetic system
32-sheet iron core design reduces eddy current loss and improves suction stability
Undervoltage release protection prevents malfunction under low voltage
- مجالات التطبيق & Recommendations
- Typical applications
High-power motor control: المشجعين, مضخات, الضواغط, crushers, إلخ.
Power systems: switching control of transformers and generators
Heavy machinery: main circuit control in metallurgy, mining, cement, paper, إلخ.
Can be combined with thermal relays or electronic protection devices to form a motor starter for overload protection
- Selection & installation notes
Confirm load category (AC-3/AC-4) and power to match rated capacity
Select proper coil voltage (220V/380V commonly used) to avoid conflict between control and main circuits
Auxiliary contact quantity and type must match control circuit requirements
Mounting surface inclination ≤±5° for stable operation and good heat dissipation
Recommended to use with RT17-4/1250(1000) fuse for enhanced short-circuit protection
- Cross-Brand Replacement Reference
| ماركة | Replacement Model | Key Matching | ملحوظات |
| شنايدر | LC1-D10000M7C | 1000أ, AC-3 630kW, 380V | Auxiliary contact count may vary; verify before use |
| سيمنز | 3RT5076-6AP36 | 1000أ, AC-3 630kW, 380V | Mounting dimensions differ; check hole positions |
| ايه بي بي | A145-30-11 | 1000أ, AC-3 630kW, 380V | Coil power may differ; check control capacity |
| لذيذ | CJ40-1000 | Fully compatible, same series | Direct interchangeable without modification |
- Ordering & Maintenance Guidelines
- Ordering specification
Full model example: CJ40-1000 220V 50Hz 4NO 2NC
Clearly indicate if energy-saving type (J-type), على سبيل المثال, CJ40-1000J 380V
- Maintenance suggestions
Regularly inspect main contact wear; replace if burning depth exceeds 1mm
Clean arc chute to remove carbon deposits and ensure stable arc extinguishing
Check coil temperature rise to avoid insulation aging from overheating
Preventive replacement of key parts before mechanical life expires (تقريبا. 2.8 مليون عملية)
- ملخص
CHINT CJ40-1000 contactor features 1000A rated current, 1140V insulation voltage, and 625kW control capacity (380V), balancing reliability and energy efficiency for various heavy industrial applications.
أثناء الاختيار, focus on load type, control voltage, and auxiliary contact configuration to ensure precise matching. للاستبدال عبر العلامات التجارية, prioritize verification of rated capacity, mounting dimensions, and auxiliary contact parameters to ensure stable operation.
Mounting Dimensions of CHINT CJ40-1000 Contactor
The mounting and overall dimensions of CHINT CJ40-1000 contactor are listed below, sourced from CHINT official manual. All units are millimeters (مم).
- Core Dimension Data (Common for CJ40-630~1000)
| Dimension Type | Symbol | قيمة | وصف |
| Overall dimensions | أ (عرض) | 244.5 | Max width including arc chute |
| ب (ارتفاع) | 347 | Total height including arc chute | |
| ج (عمق) | 287.5 | Total depth including terminals | |
| Mounting dimensions | أ (vertical hole distance) | 210±0.575 | Center distance between vertical mounting holes |
| b (horizontal hole distance) | 180±0.5 | Center distance between horizontal mounting holes | |
| (hole diameter) | 11 | For M10 fixing bolts | |
| Safety clearance | ف(380V) | 50 | Minimum surrounding clearance |
| ف(660V) | 70 | – | |
| ف(1140V) | 80 | – |
- Installation Instructions
- Mounting method: Bolt-fixed mounting only; not suitable for DIN rail (due to power rating)
- Mounting surface requirements:
Inclination ≤±5° from vertical for stable operation
Surface must be flat and rigid; 4 M10 bolts recommended for diagonal fixing
- Heat dissipation: Sufficient space required for ventilation; avoid close to other heat-generating devices
- Wiring space: Large main terminals; allow ≥150mm operation space for cable connection and maintenance
- Comparison with CJ40-630
CJ40-1000 and CJ40-630 have identical mounting dimensions and are interchangeable, differing only in main contact capacity and coil power consumption.
