المقاولين,قاطع الدائرة,العاكس للطاقة الشمسية,عداد كهرباء,البطاريات الشمسية
ايه بي بي 1SFL647088R7011 AF1250H-30-11 (3-Pole Contactor)
- Model Breakdown and Meaning
| Part of Model | شفرة | وصف تفصيلي |
| رمز المنتج | 1SFL647088R7011 | Official ABB part number for unique identification |
| مسلسل | AF1250H | AF series 1250A contactor; H = high-performance version with higher short-circuit withstand capability |
| Main Poles | 30 | 3 أقطاب, all main contacts NO (3لا), for 3-phase circuit control |
| جهات الاتصال المساعدة | 11 | 1 لا + 1 NC auxiliary contacts for control circuits and status monitoring |
| لفائف | 70 | لفائف واسعة النطاق, suitable for 100–250V AC/DC, 50/60هرتز عالمي |
Full Standard Model: ABB AF1250H-30-11-70 (1SFL647088R7011 is the official material code)
- Key Parameters and Specifications
Electrical Specifications
| غرض | مواصفة |
| تصنيف التشغيل الحالي (ايه سي-1) | 1260A at 400V, 1210أ (UL universal) |
| تصنيف الجهد التشغيلي | Up to 1000V AC (اللجنة الانتخابية المستقلة) / 600الخامس و (أول) |
| قوة المحرك (ايه سي-3) | 450كيلوواط عند 400 فولت, 225kW at 230V |
| الجهد لفائف | 100–250V AC/DC, wide-range design, AC/DC universal |
| تكوين جهة الاتصال الرئيسية | 3-pole NO (3لا) |
| Auxiliary Contact Configuration | 1 لا + 1 نورث كارولاينا (1لا + 1NC) |
| الحياة الميكانيكية | Up to 10,000,000 العمليات |
| الحياة الكهربائية (ايه سي-1) | 1,000,000 العمليات |
| Short-Circuit Withstand | يتوافق مع اللجنة الانتخابية المستقلة 60947-4-1, suitable for industrial power grids |
Physical Characteristics
| غرض | مواصفة |
| أبعاد | تقريبا. 270(دبليو)*350(ح)*220(د)مم (معيار) |
| وزن | تقريبا. 28كجم |
| درجة حرارة التشغيل | -25~+70C (standard environment) |
| درجة الحماية | IP20 (when installed in a control cabinet) |
| تصاعد | Bolt-mounted, fits standard electrical cabinets |
| الأسلاك | الدائرة الرئيسية: copper bar connection; الدائرة المساعدة: 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
- أنظمة توزيع الطاقة: Low-voltage switchgear, busbar sectionalizing, capacitor bank switching
- يو بي إس & Inverter Systems: UPS transfer, inverter output control, bypass circuit switching
- Industrial Automation Lines: الآلات الثقيلة, metallurgical equipment, mining machinery control
- Renewable Energy Systems: PV inverter output control, wind turbine converter control
المزايا
لفائف واسعة النطاق: 100–250V AC/DC universal, reduces inventory, compatible with global grids
تصميم عالي الأداء: H version provides higher short-circuit withstand, improves system reliability
تصميم وحدات: Integrated main and auxiliary contacts, تركيب سهل, تكلفة صيانة منخفضة
Long service life: الحياة الميكانيكية تصل إلى 10 مليون عملية, الحياة الكهربائية 1 مليون عملية
Energy saving & environmental protection: Electronic control coil, low power consumption, low heat generation
- Alternative Models in the Same Series
| النموذج البديل | الفرق الرئيسي | طلب |
| 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 الاتصالات المساعدة NC | Control circuits requiring more NC auxiliary contacts |
| AF1250H-40-11-70 | 4-pole NO (4لا) | 3-phase 4-wire systems requiring neutral pole switching |
- البدائل عبر العلامات التجارية
- سيمنز
| النموذج البديل | المعلمات الرئيسية | الفرق الرئيسي | طلب |
| 3RT2076-6AP36 | 1250أ, 3-القطب, 1لا + 1NC, 100–250V AC/DC | Siemens 3RT series, highly compatible with ABB, matches S7 PLC systems | الأتمتة الصناعية, Siemens system integration |
| 3RT2076-6AP37 | 1250أ, 3-القطب, 1لا + 1NC, 24في العاصمة | For safety voltage control, hazardous areas |
- شنايدر إلكتريك
| النموذج البديل | المعلمات الرئيسية | الفرق الرئيسي | طلب |
| LC1D12500F7 | 1250أ, 3-القطب, 1لا + 1NC, 100–250V AC | Schneider TeSys D series, compatible with Modicon PLC | Power distribution, building automation |
| LC1D12500M7 | 1250أ, 3-القطب, 1لا + 1NC, 220الخامس و | Standard voltage coil, fixed grid applications |
- ميتسوبيشي
النموذج البديل المعلمات الرئيسية الفرق الرئيسي طلب SD-N125 1250أ, 3-القطب, 1لا + 1NC, 100–250V AC/DC Mitsubishi SD series, فعالة من حيث التكلفة, matches Mitsubishi PLC
- Mainstream Chinese Brands
| النموذج البديل | المعلمات الرئيسية | الفرق الرئيسي | طلب |
| CHINT NC1-1250H/33 | 1250أ, 3-القطب, 1لا + 1NC, 100–250V AC/DC | Cost-effective domestic, compatible with Chinese PLC | Cost-sensitive projects, localization |
| Delixi CJX2-1250H/33 | 1250أ, 3-القطب, 1لا + 1NC, 100–250V AC/DC | Reliable domestic brand, خدمة جيدة | General industrial automation, SMEs |
- Replacement Selection Guide
- Direct Replacement (No System Change)
Top choices: Siemens 3RT2076-6AP36, Schneider LC1D12500F7
سبب: Parameters match AF1250H-30-11, same auxiliary contacts, coil voltage compatible, no control circuit modification needed.
- Performance Upgrade (Improve Reliability)
مُستَحسَن: Siemens 3RT2076-6AP36 (with surge suppression), original ABB AF1250H-30-11-70
تحسين: Added surge protection, longer contactor life, reduced EMI.
- تحسين التكلفة (Domestic High-Value Solution)
مُستَحسَن: CHINT NC1-1250H/33, Delixi CJX2-1250H/33
Advantage: 30–50% lower price than imported brands, meets general industrial needs.
- Important Replacement Notes
- المطابقة الحالية: التصنيف الحالي (ايه سي-1) ≥ 1260A, motor rating (ايه سي-3) ≥ 450kW at 400V.
- الجهد لفائف: Must match the original system (100–250V AC/DC) to avoid coil burnout.
- اتصالات مساعدة: Confirm quantity and type (1لا + 1NC) to avoid program changes.
- أبعاد التركيب: 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, long life, والتصميم المعياري, 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
- تحديد موضع المنتج & الميزات الرئيسية
This is a high-performance H-version 3-pole 1250A contactor from ABB’s AF series, standard model AF1250H-30-11-70.
التصنيف الحالي: AC-1 1260A (400V) / 1210أ (أول); AC-3 450kW (400V)
High-performance H version: Higher short-circuit withstand for harsh industrial environments
لفائف واسعة النطاق: 100–250V AC/DC universal
تكوين الاتصال: 3NO main + 1NO+1NC auxiliary
Extra-long life: 10 million mechanical operations, 1 million electrical operations
Built-in surge suppression: Protects coil and control circuit
- Industry Applications
- Industrial Motor Control (Core)
| طلب | Typical Equipment | المزايا |
| Large motor DOL starting | مضخات, المشجعين, 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 | Cranes, winders, hoists | 3-pole suitable for 3-phase reversing |
- توزيع الطاقة & بنية تحتية
| طلب | Typical Equipment | المزايا |
| LV switchgear main control | Factory distribution panels | 1000V AC rated, 3-pole for 3-phase systems |
| Busbar sectionalizing | Plants, مراكز البيانات | High reliability for critical power nodes |
| Capacitor bank switching | Reactive power compensation | High current withstand for inrush currents |
| يو بي إس / inverter output | يو بي إس, PV/wind systems | Wide coil compatible with UPS power |
- Heavy Industry & Harsh Environments
| طلب | Typical Equipment | المزايا |
| Metallurgy | Rolling mills, furnaces, الرافعات | -25~+70C, high short-circuit withstand |
| Mining | Hoists, الكسارات, الناقلات | Vibration-resistant, highly reliable |
| Petrochemical | مضخات, الضواغط, heaters | Corrosion-resistant, long life for hazardous areas |
| Paper & Printing | Paper machines, printing lines | Precise control for continuous production |
- الطاقة المتجددة & Transportation
| طلب | Typical Equipment | المزايا |
| 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, shock & vibration resistant |
| Ships & offshore | Deck machinery, مضخات, تهوية | Wide temp range, موثوقية عالية |
- Building & بنية تحتية
| طلب | Typical Equipment | المزايا |
| Large commercial buildings | التدفئة والتهوية وتكييف الهواء, مضخات المياه, المشجعين | Global grid compatibility |
| مراكز البيانات | تبريد, UPS bypass, genset transfer | High reliability for critical loads |
| المستشفيات & airports | Emergency power, مصاعد, مضخات الحريق | Long life, low maintenance |
- Applications by Functional Requirement
- High-Reliability Applications
Critical production lines (automotive, semiconductor) requiring high MTBF
Safety systems: مصاعد, الرافعات, fire equipment
- Frequent Operation Applications
Automated lines (packaging, assembly) with high cycling rates
Material handling: AGV charging, conveyor switching
- Global / 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
| Requirement | أولوية | سبب |
| Direct control of 400V / 450kW motors | ★★★★★ | Perfect rating match, H-version handles starting inrush |
| البدء المتكرر (>1 مليون عملية) | ★★★★☆ | Long electrical and mechanical life |
| Global / multi-region projects | ★★★★☆ | 100–250V AC/DC universal coil |
| High short-circuit environments | ★★★★☆ | H-version provides enhanced short-circuit withstand |
| Cost-sensitive projects | ★★☆☆☆ | 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 (على سبيل المثال, 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 [الجهد لفائف] [تكرار]")
