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ABB 1SFL647088R7011 AF1250H-30-11 (3-Pole Contactor)
- Model Breakdown and Meaning
| Part of Model | コード | 詳細な説明 |
| Product Code | 1SFL647088R7011 | Official ABB part number for unique identification |
| シリーズ | AF1250H | AF series 1250A contactor; H = high-performance version with higher short-circuit withstand capability |
| Main Poles | 30 | 3 極, all main contacts NO (3いいえ), for 3-phase circuit control |
| 補助接点 | 11 | 1 いいえ + 1 NC auxiliary contacts for control circuits and status monitoring |
| コイル | 70 | Wide-range coil, suitable for 100–250V AC/DC, 50/60Hz universal |
Full Standard Model: ABB AF1250H-30-11-70 (1SFL647088R7011 is the official material code)
- Key Parameters and Specifications
電気仕様
| アイテム | 仕様 |
| Rated Operational Current (AC-1) | 1260A at 400V, 1210あ (UL universal) |
| 定格動作電圧 | Up to 1000V AC (IEC) / 600Vと (UL) |
| モーター出力 (AC-3) | 450400VでkW, 225kW at 230V |
| コイル電圧 | 100–250V AC/DC, wide-range design, AC/DCユニバーサル |
| Main Contact Configuration | 3-pole NO (3いいえ) |
| Auxiliary Contact Configuration | 1 いいえ + 1 ノースカロライナ州 (1NO+1NC) |
| 機械的寿命 | まで 10,000,000 オペレーション |
| 電気的寿命 (AC-1) | 1,000,000 オペレーション |
| Short-Circuit Withstand | IECに準拠 60947-4-1, suitable for industrial power grids |
身体的特徴
| アイテム | 仕様 |
| 寸法 | 約. 270(W)*350(H)*220(D)mm (標準) |
| 重さ | 約. 28kg |
| 動作温度 | -25~+70C (standard environment) |
| 保護等級 | IP20 (when installed in a control cabinet) |
| 取り付け | Bolt-mounted, fits standard electrical cabinets |
| 配線 | 主回路: copper bar connection; Auxiliary circuit: terminal connection |
- Applications and Selection Advantages
Recommended Applications
- Industrial Motor Control: Direct-on-line (DOL) starting, star-delta starting, soft starter bypass for large 3-phase induction motors
- Power Distribution Systems: Low-voltage switchgear, busbar sectionalizing, capacitor bank switching
- UPS & Inverter Systems: UPS transfer, inverter output control, bypass circuit switching
- Industrial Automation Lines: 重機, metallurgical equipment, mining machinery control
- 再生可能エネルギーシステム: PV inverter output control, wind turbine converter control
利点
Wide-range coil: 100–250V AC/DC universal, reduces inventory, compatible with global grids
High-performance design: H version provides higher short-circuit withstand, improves system reliability
モジュラー設計: Integrated main and auxiliary contacts, 簡単な取り付け, low maintenance cost
Long service life: Mechanical life up to 10 100万操作, electrical life 1 100万操作
Energy saving & environmental protection: Electronic control coil, 低消費電力, low heat generation
- Alternative Models in the Same Series
| 代替モデル | Key Difference | 応用 |
| AF1250-30-11-70 (1SFL647001R7011) | Standard performance version, no H marking | General industrial applications with lower short-circuit requirements |
| AF1250H-30-11-11 | Coil voltage 24–60V AC/DC | Safety voltage control circuits, hazardous environments |
| AF1250H-30-02-70 | 2 NO auxiliary contacts | Control circuits requiring more NO auxiliary contacts |
| AF1250H-30-20-70 | 2 NC補助接点 | Control circuits requiring more NC auxiliary contacts |
| AF1250H-40-11-70 | 4-pole NO (4いいえ) | 3-phase 4-wire systems requiring neutral pole switching |
- クロスブランドの代替品
- シーメンス
| 代替モデル | 主要なパラメータ | Key Difference | 応用 |
| 3RT2076-6AP36 | 1250あ, 3-ポール, 1NO+1NC, 100–250V AC/DC | Siemens 3RT series, highly compatible with ABB, matches S7 PLC systems | 産業オートメーション, Siemens system integration |
| 3RT2076-6AP37 | 1250あ, 3-ポール, 1NO+1NC, 24ワシントンDCで | For safety voltage control, hazardous areas |
- シュナイダーエレクトリック
| 代替モデル | 主要なパラメータ | Key Difference | 応用 |
| LC1D12500F7 | 1250あ, 3-ポール, 1NO+1NC, 100–250V AC | Schneider TeSys D series, compatible with Modicon PLC | Power distribution, building automation |
| LC1D12500M7 | 1250あ, 3-ポール, 1NO+1NC, 220Vと | Standard voltage coil, fixed grid applications |
- 三菱
代替モデル 主要なパラメータ Key Difference 応用 SD-N125 1250あ, 3-ポール, 1NO+1NC, 100–250V AC/DC Mitsubishi SD series, 費用対効果の高い, matches Mitsubishi PLC
- Mainstream Chinese Brands
| 代替モデル | 主要なパラメータ | Key Difference | 応用 |
| CHINT NC1-1250H/33 | 1250あ, 3-ポール, 1NO+1NC, 100–250V AC/DC | Cost-effective domestic, compatible with Chinese PLC | コスト重視のプロジェクト, localization |
| Delixi CJX2-1250H/33 | 1250あ, 3-ポール, 1NO+1NC, 100–250V AC/DC | Reliable domestic brand, good service | General industrial automation, SMEs |
- Replacement Selection Guide
- 直接交換 (No System Change)
Top choices: Siemens 3RT2076-6AP36, Schneider LC1D12500F7
Reason: Parameters match AF1250H-30-11, same auxiliary contacts, coil voltage compatible, no control circuit modification needed.
- Performance Upgrade (Improve Reliability)
推奨: Siemens 3RT2076-6AP36 (with surge suppression), original ABB AF1250H-30-11-70
Improvement: Added surge protection, longer contactor life, reduced EMI.
- コストの最適化 (Domestic High-Value Solution)
推奨: CHINT NC1-1250H/33, Delixi CJX2-1250H/33
アドバンテージ: 30–50% lower price than imported brands, meets general industrial needs.
- Important Replacement Notes
- 電流マッチング: 定格電流 (AC-1) ≥ 1260A, motor rating (AC-3) ≥ 450kW at 400V.
- コイル電圧: Must match the original system (100–250V AC/DC) to avoid coil burnout.
- 補助接点: Confirm quantity and type (1NO+1NC) to avoid program changes.
- 取付寸法: Verify fit in existing cabinet to avoid re-drilling.
- Short-circuit withstand: For H-version, replacement must have equal or higher short-circuit rating.
ABB 1SFL647088R7011 AF1250H-30-11 is a high-performance 1250A 3-pole contactor. With its wide-range coil, 長寿命, モジュール設計, it is widely used in industrial motor control and power distribution. Alternatives are available within the ABB range and across brands. Siemens 3RT2076-6AP36 and CHINT NC1-1250H/33 are top imported and domestic choices respectively.
Complete Application Guide for ABB 1SFL647088R7011 AF1250H-30-11
- 製品のポジショニング & 主な特長
This is a high-performance H-version 3-pole 1250A contactor from ABB’s AF series, standard model AF1250H-30-11-70.
定格電流: AC-1 1260A (400V) / 1210あ (UL); AC-3 450kW (400V)
High-performance H version: Higher short-circuit withstand for harsh industrial environments
Wide-range coil: 100–250V AC/DC universal
接点構成: 3NO main + 1NO+1NC auxiliary
Extra-long life: 10 百万の機械操作, 1 million electrical operations
Built-in surge suppression: Protects coil and control circuit
- Industry Applications
- Industrial Motor Control (Core)
| 応用 | Typical Equipment | 利点 |
| Large motor DOL starting | Pumps, ファン, compressors ≤ 450kW (400V) | High short-circuit withstand, wide coil voltage |
| Star-delta main contactor | 630kW-class motors | 1250A capacity for heavy main circuits |
| Soft starter / VFD bypass | Bypass in normal operation | Long life for frequent switching |
| Reversing control | クレーン, winders, hoists | 3-pole suitable for 3-phase reversing |
- Power Distribution & インフラストラクチャー
| 応用 | Typical Equipment | 利点 |
| LV switchgear main control | Factory distribution panels | 1000V AC rated, 3-pole for 3-phase systems |
| Busbar sectionalizing | Plants, データセンター | High reliability for critical power nodes |
| Capacitor bank switching | Reactive power compensation | High current withstand for inrush currents |
| UPS / inverter output | UPS, PV/wind systems | Wide coil compatible with UPS power |
- Heavy Industry & 過酷な環境
| 応用 | Typical Equipment | 利点 |
| Metallurgy | Rolling mills, furnaces, クレーン | -25~+70C, high short-circuit withstand |
| Mining | Hoists, crushers, conveyors | Vibration-resistant, highly reliable |
| Petrochemical | Pumps, コンプレッサー, heaters | Corrosion-resistant, long life for hazardous areas |
| Paper & Printing | Paper machines, printing lines | Precise control for continuous production |
- 再生可能エネルギー & Transportation
| 応用 | Typical Equipment | 利点 |
| Wind power | Converter output, yaw motors | Wide coil, withstands grid fluctuations |
| PV power | Inverter output, combiner boxes | High voltage rating, long outdoor life |
| Rail vehicles | Auxiliary power, AC compressors | Wide coil, ショック & vibration resistant |
| Ships & offshore | Deck machinery, パンプス, ventilation | Wide temp range, 高い信頼性 |
- 建物 & インフラストラクチャー
| 応用 | Typical Equipment | 利点 |
| Large commercial buildings | 空調設備, ウォーターポンプ, ファン | Global grid compatibility |
| データセンター | 冷却, UPS bypass, genset transfer | High reliability for critical loads |
| Hospitals & airports | Emergency power, エレベーター, fire pumps | Long life, low maintenance |
- Applications by Functional Requirement
- High-Reliability Applications
Critical production lines (自動車, semiconductor) requiring high MTBF
Safety systems: エレベーター, クレーン, fire equipment
- Frequent Operation Applications
Automated lines (packaging, assembly) with high cycling rates
Material handling: AGV charging, conveyor switching
- グローバル / Export Applications
Export machines requiring global grid compatibility
Multinational factories with unified component standards
- Space-Limited Applications
Compact control panels using modular design
- Selection Matching Guide
| 要件 | 優先度 | Reason |
| Direct control of 400V / 450kW motors | ★★★★★ | Perfect rating match, H-version handles starting inrush |
| 頻繁な起動 (>1 100万操作) | ★★★★☆ | Long electrical and mechanical life |
| グローバル / multi-region projects | ★★★★☆ | 100–250V AC/DC universal coil |
| High short-circuit environments | ★★★★☆ | H-version provides enhanced short-circuit withstand |
| コスト重視のプロジェクト | ★★☆☆☆ | Standard AF1250-30-11 recommended instead |
- Unsuitable Applications
- DC main circuit control: Designed for AC; use dedicated DC contactors.
- Extra-high voltage: Not for systems above 1000V AC (例えば, 1140V).
- Ultra-low-power loads: 1250A is oversized and inefficient.
- Explosion-proof areas: Standard version not certified; use Ex-certified models.
ABB 1SFL647088R7011 AF1250H-30-11 is a heavy-duty 1250A 3-pole contactor ideal for industrial motor control, power distribution, heavy industry, and renewable energy. It excels in applications requiring high reliability, frequent operation, and global compatibility. You may choose the standard AF1250-30-11 or cross-brand alternatives to balance performance and cost.
![NXC-65 from the Kunlun Series by CHINT Electric is a 3-pole AC contactor, rated at 65A in the NXC series. The full model is typically expressed as NXC-65 [Coil Voltage] [Frequency]](https://www.bestcontactor.com/wp-content/uploads/2026/04/ScreenShot_2026-01-30_132315_324-419x560.png "NXC-65 from the Kunlun Series by CHINT Electric is a 3-pole AC contactor, rated at 65A in the NXC series. The full model is typically expressed as NXC-65 [コイル電圧] [頻度]")
