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ABB 1SFL647088R7011 AF1250H-30-11 (3-Pole Contactor)
- Model Breakdown and Meaning
| Une partie du modèle | Code | Description détaillée |
| Code produit | 1SFL647088R7011 | Official ABB part number for unique identification |
| Série | AF1250H | AF series 1250A contactor; H = high-performance version with higher short-circuit withstand capability |
| Pôles principaux | 30 | 3 poteaux, all main contacts NO (3NON), for 3-phase circuit control |
| Contacts auxiliaires | 11 | 1 NON + 1 NC auxiliary contacts for control circuits and status monitoring |
| Bobine | 70 | Wide-range coil, suitable for 100–250V AC/DC, 50/60Hz universel |
Full Standard Model: ABB AF1250H-30-11-70 (1SFL647088R7011 is the official material code)
- Key Parameters and Specifications
Spécifications électriques
| Article | Spécification |
| Courant opérationnel nominal (AC-1) | 1260A at 400V, 1210UN (UL universal) |
| Tension de fonctionnement nominale | Up to 1000V AC (CEI) / 600V et (UL) |
| Puissance du moteur (AC-3) | 450kW à 400V, 225kW at 230V |
| Tension de bobine | 100–250 V CA/CC, wide-range design, AC/DC universel |
| Configuration des contacts principaux | 3-pole NO (3NON) |
| Configuration des contacts auxiliaires | 1 NON + 1 Caroline du Nord (1NON+1NC) |
| Durée de vie mécanique | Jusqu'à 10,000,000 opérations |
| Durée de vie électrique (AC-1) | 1,000,000 opérations |
| Short-Circuit Withstand | Conforme à la CEI 60947-4-1, suitable for industrial power grids |
Caractéristiques physiques
| Article | Spécification |
| Dimensions | Environ. 270(W)*350(H)*220(D)mm (standard) |
| Poids | Environ. 28kilos |
| Température de fonctionnement | -25~+70C (standard environment) |
| Degré de protection | IP20 (when installed in a control cabinet) |
| Montage | Bolt-mounted, fits standard electrical cabinets |
| Câblage | Circuit principal: copper bar connection; Circuit auxiliaire: terminal connection |
- Applications and Selection Advantages
Applications recommandées
- Contrôle de moteur industriel: Direct-on-line (DOL) starting, démarrage étoile-triangle, soft starter bypass for large 3-phase induction motors
- Systèmes de distribution d'énergie: Low-voltage switchgear, busbar sectionalizing, capacitor bank switching
- UPS & Inverter Systems: UPS transfer, inverter output control, bypass circuit switching
- Industrial Automation Lines: Machinerie lourde, metallurgical equipment, mining machinery control
- Renewable Energy Systems: PV inverter output control, wind turbine converter control
Avantages
Wide-range coil: 100–250V AC/DC universal, reduces inventory, compatible with global grids
High-performance design: H version provides higher short-circuit withstand, améliore la fiabilité du système
Conception modulaire: Integrated main and auxiliary contacts, installation facile, low maintenance cost
Longue durée de vie: Durée de vie mécanique jusqu'à 10 millions d'opérations, durée de vie électrique 1 millions d'opérations
Économie d'énergie & environmental protection: Electronic control coil, faible consommation d'énergie, low heat generation
- Alternative Models in the Same Series
| Modèle alternatif | Différence clé | Application |
| 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 Contacts auxiliaires NF | Control circuits requiring more NC auxiliary contacts |
| AF1250H-40-11-70 | 4-pole NO (4NON) | 3-phase 4-wire systems requiring neutral pole switching |
- Alternatives multimarques
- Siemens
| Modèle alternatif | Paramètres clés | Différence clé | Application |
| 3RT2076-6AP36 | 1250UN, 3-pôle, 1NON+1NC, 100–250 V CA/CC | Siemens 3RT series, highly compatible with ABB, matches S7 PLC systems | Automatisation industrielle, Siemens system integration |
| 3RT2076-6AP37 | 1250UN, 3-pôle, 1NON+1NC, 24À DC | For safety voltage control, zones dangereuses |
- Schneider Électrique
| Modèle alternatif | Paramètres clés | Différence clé | Application |
| LC1D12500F7 | 1250UN, 3-pôle, 1NON+1NC, 100–250V AC | Schneider TeSys D series, compatible with Modicon PLC | Distribution d'énergie, automatisation des bâtiments |
| LC1D12500M7 | 1250UN, 3-pôle, 1NON+1NC, 220V et | Standard voltage coil, fixed grid applications |
- Mitsubishi
Modèle alternatif Paramètres clés Différence clé Application SD-N125 1250UN, 3-pôle, 1NON+1NC, 100–250 V CA/CC Mitsubishi SD series, rentable, matches Mitsubishi PLC
- Mainstream Chinese Brands
| Modèle alternatif | Paramètres clés | Différence clé | Application |
| CHINT NC1-1250H/33 | 1250UN, 3-pôle, 1NON+1NC, 100–250 V CA/CC | Cost-effective domestic, compatible with Chinese PLC | Projets sensibles aux coûts, localization |
| Delixi CJX2-1250H/33 | 1250UN, 3-pôle, 1NON+1NC, 100–250 V CA/CC | Reliable domestic brand, bon service | Automatisation industrielle générale, PME |
- Replacement Selection Guide
- Remplacement direct (No System Change)
Top choices: Siemens 3RT2076-6AP36, Schneider LC1D12500F7
Raison: Parameters match AF1250H-30-11, same auxiliary contacts, coil voltage compatible, no control circuit modification needed.
- Mise à niveau des performances (Improve Reliability)
Recommandé: Siemens 3RT2076-6AP36 (with surge suppression), original ABB AF1250H-30-11-70
Amélioration: Added surge protection, longer contactor life, reduced EMI.
- Optimisation des coûts (Domestic High-Value Solution)
Recommandé: CHINT NC1-1250H/33, Delixi CJX2-1250H/33
Avantage: 30–50% lower price than imported brands, meets general industrial needs.
- Important Replacement Notes
- Correspondance actuelle: Courant nominal (AC-1) ≥ 1260A, motor rating (AC-3) ≥ 450kW at 400V.
- Tension de bobine: Must match the original system (100–250 V CA/CC) to avoid coil burnout.
- Contacts auxiliaires: Confirm quantity and type (1NON+1NC) to avoid program changes.
- Cotes de montage: 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, longue vie, et conception modulaire, 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
- Positionnement du produit & Principales fonctionnalités
This is a high-performance H-version 3-pole 1250A contactor from ABB’s AF series, standard model AF1250H-30-11-70.
Courant nominal: AC-1 1260A (400V) / 1210UN (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
Configuration des contacts: 3PAS de principal + 1NO+1NC auxiliaire
Extra-long life: 10 million mechanical operations, 1 million electrical operations
Built-in surge suppression: Protects coil and control circuit
- Applications industrielles
- Contrôle de moteur industriel (Cœur)
| Application | Équipement typique | Avantages |
| Large motor DOL starting | Pompes, les fans, 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 | Grues, winders, palans | 3-pole suitable for 3-phase reversing |
- Distribution d'énergie & Infrastructure
| Application | Équipement typique | Avantages |
| LV switchgear main control | Factory distribution panels | 1000V AC rated, 3-pole for 3-phase systems |
| Busbar sectionalizing | Plants, centres de données | High reliability for critical power nodes |
| Capacitor bank switching | Compensation de puissance réactive | High current withstand for inrush currents |
| UPS / inverter output | UPS, PV/wind systems | Wide coil compatible with UPS power |
- Heavy Industry & Environnements difficiles
| Application | Équipement typique | Avantages |
| Métallurgie | Rolling mills, furnaces, grues | -25~+70C, tenue élevée aux courts-circuits |
| Exploitation minière | Palans, concasseurs, convoyeurs | Résistant aux vibrations, highly reliable |
| Pétrochimique | Pompes, compresseurs, radiateurs | Résistant à la corrosion, long life for hazardous areas |
| Paper & Impression | Paper machines, printing lines | Precise control for continuous production |
- Énergie renouvelable & Transport
| Application | Équipement typique | Avantages |
| Énergie éolienne | 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, choc & résistant aux vibrations |
| Navires & offshore | Deck machinery, pompes, ventilation | Large plage de température, haute fiabilité |
- Bâtiment & Infrastructure
| Application | Équipement typique | Avantages |
| Large commercial buildings | CVC, pompes à eau, les fans | Compatibilité réseau mondiale |
| Centres de données | Refroidissement, UPS bypass, genset transfer | High reliability for critical loads |
| Hôpitaux & aéroports | Emergency power, ascenseurs, pompes à incendie | Long life, low maintenance |
- Applications by Functional Requirement
- High-Reliability Applications
Critical production lines (automobile, semi-conducteur) requiring high MTBF
Safety systems: ascenseurs, grues, fire equipment
- Frequent Operation Applications
Lignes automatisées (conditionnement, assemblée) with high cycling rates
Manutention des matériaux: AGV charging, conveyor switching
- Mondial / 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
| Exigence | Priorité | Raison |
| Direct control of 400V / 450moteurs kW | ★★★★★ | Perfect rating match, H-version handles starting inrush |
| Démarrage fréquent (>1 millions d'opérations) | ★★★★☆ | Long electrical and mechanical life |
| Mondial / multi-region projects | ★★★★☆ | 100–250V AC/DC universal coil |
| Environnements à forts courts-circuits | ★★★★☆ | H-version provides enhanced short-circuit withstand |
| Projets sensibles aux coûts | ★★☆☆☆ | Standard AF1250-30-11 recommended instead |
- Applications inappropriées
- DC main circuit control: Designed for AC; use dedicated DC contactors.
- Extra-high voltage: Not for systems above 1000V AC (par ex., 1140V).
- Ultra-low-power loads: 1250A is oversized and inefficient.
- Zones antidéflagrantes: 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, distribution d'énergie, industrie lourde, and renewable energy. It excels in applications requiring high reliability, opération fréquente, and global compatibility. You may choose the standard AF1250-30-11 or cross-brand alternatives to balance performance and cost.
