コンタクタ,サーキットブレーカー,ソーラーインバーター,電気メーター,太陽電池
CHINT CJ40-1000 is a heavy-duty ACコンタクタ 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.
- コアパラメータ & 主な仕様
| アイテム | 価値 | 備考 |
|---|---|---|
| 定格動作電流 (Ith) | 1000あ | AC-1, 380V |
| 定格絶縁電圧 (ウイ) | 1140V | IEC/ENに準拠 60947-4-1 |
| AC-3 control capacity | 380V/625kW, 660V/475kW, 1140V/600kW | Squirrel-cage motors |
| 従来の熱電流 | 1000あ | – |
| Coil control voltage | AC 110V/127V/220V/380V, DC 110V/220V | 50Hz standard |
| Coil power consumption | Starting approx. 360バージニア州, Holding approx. 91.2バージニア州 | Standard type; J-type saves 90% エネルギー |
| 機械的耐久性 | 3,000,000 オペレーション | Unified for 630~1000A |
| 電気的耐久性 | 1,000,000 オペレーション | AC-3 at rated conditions |
| Operating voltage range | Pull-in: 85%~110% Us, Drop-out: 10%~75% Us | Energy-saving type standard |
| 補助接点 | 4いいえ + 2ノースカロライナ州 (標準) | Rated current 16A, AC-15 380V 1.3A |
| 全体の寸法 | 244.5×347×287.5mm | Including arc chute |
| Ambient conditions | -5℃～+40℃, 標高 ≤2000m, 汚染度 3 | Installation class III |
- Structural Features & Technical Advantages
- 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ユニバーサル, 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
- 応用分野 & Recommendations
- Typical applications
High-power motor control: ファン, パンプス, コンプレッサー, crushers, 等.
Power systems: switching control of transformers and generators
重機: main circuit control in metallurgy, mining, セメント, paper, 等.
Can be combined with thermal relays or electronic protection devices to form a motor starter for overload protection
- 選択 & installation notes
Confirm load category (AC-3/AC-4) and power to match rated capacity
Select proper coil voltage (220V/380V共用) 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
| ブランド | 代替機種 | Key Matching | 注意事項 |
| シュナイダー | LC1-D10000M7C | 1000あ, AC-3 630kW, 380V | Auxiliary contact count may vary; verify before use |
| シーメンス | 3RT5076-6AP36 | 1000あ, AC-3 630kW, 380V | Mounting dimensions differ; check hole positions |
| ABB | A145-30-11 | 1000あ, AC-3 630kW, 380V | Coil power may differ; check control capacity |
| 美味しい | CJ40-1000 | 完全な互換性, same series | Direct interchangeable without modification |
- 注文 & Maintenance Guidelines
- Ordering specification
Full model example: CJ40-1000 220V 50Hz 4NO 2NC
Clearly indicate if energy-saving type (J-type), 例えば, 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 (約. 2.8 100万操作)
- まとめ
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.
選択中, focus on load type, control voltage, and auxiliary contact configuration to ensure precise matching. ブランド間の交換用, 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 (mm).
- Core Dimension Data (Common for CJ40-630~1000)
| Dimension Type | Symbol | 価値 | 説明 |
| 全体の寸法 | あ (幅) | 244.5 | Max width including arc chute |
| B (身長) | 347 | Total height including arc chute | |
| C (深さ) | 287.5 | Total depth including terminals | |
| 取付寸法 | ある (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 | |
| (穴径) | 11 | For M10 fixing bolts | |
| Safety clearance | F(380V) | 50 | Minimum surrounding clearance |
| F(660V) | 70 | – | |
| F(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.
