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
NXC-185-380V (注文番号: 710010100000343)
| セグメント | 意味 | 説明 |
| NXC | 製品シリーズ | CHINT Kunlun series AC contactor, upgraded compact structure replacing traditional CJX2 series |
| 185 | 定格電流 | Rated operational current of main contact: 185あ (AC-3, 400V) |
| 380V | コイル電圧 | Rated control coil voltage: AC380V, standard frequency 50Hz |
Supplementary Specifications: 3-ポール (3P), 3 normally-open main contacts, 2NO+2NC補助接点, standard mounting type
- コア仕様パラメータ
| カテゴリ | 技術データ | 備考 |
| Basic Properties | ||
| 製品タイプ | Electromagnetic AC Contactor | 崑崙シリーズ, replacement for CJX2-1850 |
| 適用規格 | ギガバイト/トン 14048.4 / IEC 60947-4-1 | Compliant with GB 21518 安全規格 |
| 定格絶縁電圧 | 1000V | Unified standard for specifications above 120A |
| 定格動作電圧 | 220V~690V | Compatible with various industrial power supply systems |
| 電気的パラメータ | ||
| 定格動作電流 (つまり) | 185あ (AC-3, 400V) | Matches motor power around 90kW |
| Rated Making Capacity | 10×いえ (AC-3) | 1850あ, reliable load switching |
| 定格遮断容量 | 8×いえ (AC-3) | 1480あ, safe fault current interruption |
| コイルパラメータ | AC380V, 50Hz, power approx. 170バージニア州 | Pick-up/holding power ratio about 3:1 |
| 補助接点 | 2NO+2NC, rated current 5A | Signal transmission for control circuits |
| 機械的パラメータ | ||
| 極数 | 3P (3 メイン接点なし) | 標準構成, 4P version optional |
| 取付方法 | 標準35mm DINレール / ネジ取付 | Fits mainstream control cabinets |
| ハウジング材質 | Flame-retardant engineering plastic | UL94 V0 flame resistance grade |
| 保護等級 | IP20 | Finger-touch safe, indoor cabinet installation only |
| 機械的寿命 | 10,000,000 オペレーション | 長寿命, low maintenance frequency |
| 電気的寿命 | 1,000,000 オペレーション (AC-3) | Suitable for frequent start-stop operation |
| 環境パラメータ | ||
| 動作温度 | -30℃～+70℃ | Wide temperature range for harsh industrial conditions |
| 保管温度 | -40℃～+85℃ | Meets storage and transportation requirements |
| 相対湿度 | 5%~95%, 結露しないこと | Adaptable to humid working environment |
| 高度 | ≤2000m | Derating required for higher altitude |
- Cross-brand Replacement Comparison
| ブランド | モデル | Similar Features | 違い |
| チント | NXC-185-380V | 参考モデル | 崑崙シリーズ, 費用対効果の高い, preferred domestic replacement |
| シュナイダー | LC1D18500Q7 | 185あ, 3P, 380Vコイル | より高い価格, 1NO+1NC auxiliary contacts |
| ABB | A185-30-11 | 185あ, 3P, 380Vコイル | 1NO+1NC auxiliary contacts, different mounting dimensions |
| シーメンス | 3RT2036-1AP00 | 185あ, 3P, 380Vコイル | High price, 速い応答, ideal for precision control |
| デリシ | CDM3-185 | 185あ, 3P, 380Vコイル | 国内代替品, 同様の価格, slightly lower performance |
交換ノート:
- 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
- 全シリーズモデルリスト (Core NXC Models)
| モデル | 定格電流 | コイル電圧 | 補助接点 | ポール | 注文番号. |
| NXC-06-220V | 6あ | AC220V | 1NO+1NC | 3P | 710010100000001 |
| NXC-12-380V | 12あ | AC380V | 1NO+1NC | 3P | 710010100000002 |
| NXC-18-220V | 18あ | AC220V | 1NO+1NC | 3P | 710010100000003 |
| NXC-25-380V | 25あ | AC380V | 1NO+1NC | 3P | 710010100000004 |
| NXC-32-220V | 32あ | AC220V | 1NO+1NC | 3P | 710010100000005 |
| NXC-40-380V | 40あ | AC380V | 1NO+1NC | 3P | 710010100000006 |
| NXC-50-220V | 50あ | AC220V | 1NO+1NC | 3P | 710010100000007 |
| NXC-65-380V | 65あ | AC380V | 1NO+1NC | 3P | 710010100000008 |
| NXC-80-220V | 80あ | AC220V | 2NO+2NC | 3P | 710010100000009 |
| NXC-100-380V | 100あ | AC380V | 2NO+2NC | 3P | 710010100000305 |
| NXC-120-220V | 120あ | AC220V | 2NO+2NC | 3P | 710010100000306 |
| NXC-150-380V | 150あ | AC380V | 2NO+2NC | 3P | 710010100000307 |
| NXC-185-380V | 185あ | AC380V | 2NO+2NC | 3P | 710010100000343 |
| NXC-225-380V | 225あ | AC380V | 2NO+2NC | 3P | 710010100000344 |
| NXC-265-380V | 265あ | AC380V | 2NO+2NC | 3P | 710010100000345 |
Model Extension Rules:
Suffix M: リバーシブルコンタクタ (例えば. NXC-25M-220V)
Suffix 4P: 4-極接触器 (例えば. NXC-65-4P-380V)
Suffix Z: DCコイル (例えば. NXC-18-24Z)
Auxiliary contact expansion: Max 6NO+6NC with F4-XX auxiliary contact block
- 一般的な障害 & トラブルシューティング
| 故障現象 | 考えられる原因 | ソリューション |
| コンタクタが引き込まれない | 1. Abnormal coil voltage | 1. Verify stable 380V power supply |
| 2. Open control circuit | 2. Check wiring and fuse | |
| 3. 焼けたコイル | 3. Test coil resistance (normal ~800Ω), replace damaged coil | |
| 4. Mechanical jam | 4. Clean iron core and reset spring | |
| 引き込み後の異音が大きい | 1. Oil contamination on core surface | 1. Clean contact surface of iron core |
| 2. ショートリングの破損 | 2. Replace iron core or short-circuit ring | |
| 3. 不足電圧 | 3. Ensure voltage ≥85% rated value | |
| Overheated / burned contacts | 1. 過大な負荷電流 | 1. Upgrade to higher capacity model |
| 2. Poor contact performance | 2. Clean contacts and adjust contact pressure | |
| 3. 頻繁な切り替え | 3. Optimize control logic to reduce unnecessary switching | |
| 4. Failed arc suppression | 4. Inspect and maintain arc shield | |
| Malfunction of auxiliary contacts | 1. 接触酸化 | 1. Polish and clean contacts |
| 2. 接触アブレーション | 2. Replace auxiliary contact assembly | |
| 3. 配線の緩み | 3. Fasten terminal connections | |
| Overheating and burnt coil | 1. 過電圧 | 1. Keep voltage within rated range |
| 2. Excessive operation frequency | 2. Reduce switching frequency or adopt AC-4 type contactor | |
| 3. 周囲温度が高い | 3. Improve ventilation condition | |
| 4. Stuck iron core | 4. Ensure flexible mechanical movement |
- 航空貨物のコンプライアンス & 認証
- 認証
CE認証, compliant with EU Machinery Directive
cULus certification complying with North American safety standards
CCC compulsory certification of China
RoHS environmental compliance
- Air Transport Regulations
リチウム電池やスーパーキャパシタは内蔵していません, classified as ordinary industrial electrical equipment
非危険物, conforms to IATA DGR Class 9 要件
Standard industrial packaging, 最大 20 units per carton to avoid collision damage
Recommended marks: FRAGILE, ELECTRICAL EQUIPMENT, KEEP DRY
- アプリケーション環境 & Adaptation
該当するシナリオ
産業用モーター制御: 始める, stop and reverse control of three-phase asynchronous motors below 90kW
ファン & Water Pump System: 空調設備, industrial circulating water and sewage aeration equipment control
コンプレッサー制御: Heavy-duty air and refrigeration compressors for AC-3 working condition
自動生産ライン: Core component for sequence control and interlock protection
Building Electrical System: Central air conditioning, fire water pump and elevator room equipment control
Mining Machinery: Remote control and protection for belt conveyors and crushers
Metallurgical Equipment: Electrical control system for small rolling mills and furnace auxiliary units
不適切なシナリオ
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
場合 1: Central Air Conditioning Control of Large Shopping Mall
応用: 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
解決: NXC-185-380V + NXR-185 thermal overload relay + intelligent PLC control system
Result: Trouble-free operation for 2 年, 30% energy saving with frequency conversion, 50% maintenance cost reduction
場合 2: Conveyor System for Auto Parts Production Line
応用: 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
解決: NXC-185-380V for main drive + NXC-65-380V for auxiliary drive + safety relay
Result: Precise synchronous operation, IP20 protection against oil contamination, までの機械的寿命 8 百万サイクル
- 選定ガイドライン
Quick Rules
定格電流: NXC-X ranging 6~630A, matching motor power about X/2 kW
Standard coil voltage: 220V / 380V; optional 110V / 24V / 48V
補助接点: 1NO+1NC for ≤80A; 2NO+2NC for ≥100A
取り付け: Universal 35mm DIN rail for mainstream cabinets
保護クラス: IP20, indoor cabinet use only, outdoor exposed installation prohibited
Specific Application Scenarios of NXC185-380V
- モーター制御
始める, stop and reverse control of three-phase asynchronous motors below 90kW
Continuous operation control of constant-load equipment including fans, ポンプとコンプレッサー
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
- 工事 & インフラストラクチャー
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
- エネルギー & 環境保護
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
- マイニング & 冶金
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
