ABB 1SFL647088R7011 AF1250H-30-11 (3-Pole Contactor)
- Model Breakdown and Meaning
| Teil des Modells | Code | Detaillierte Beschreibung |
| Produktcode | 1SFL647088R7011 | Official ABB part number for unique identification |
| Serie | AF1250H | AF series 1250A contactor; H = high-performance version with higher short-circuit withstand capability |
| Main Poles | 30 | 3 Stangen, all main contacts NO (3NEIN), for 3-phase circuit control |
| Hilfskontakte | 11 | 1 NEIN + 1 NC auxiliary contacts for control circuits and status monitoring |
| Spule | 70 | Weitbereichsspule, suitable for 100–250V AC/DC, 50/60Hz universell |
Full Standard Model: ABB AF1250H-30-11-70 (1SFL647088R7011 is the official material code)
- Key Parameters and Specifications
Elektrische Spezifikationen
| Artikel | Spezifikation |
| Nennbetriebsstrom (AC-1) | 1260A at 400V, 1210A (UL universal) |
| Nennbetriebsspannung | Up to 1000V AC (IEC) / 600V und (UL) |
| Motorleistung (AC-3) | 450kW bei 400V, 225kW at 230V |
| Spulenspannung | 100–250V AC/DC, wide-range design, AC/DC universal |
| Hauptkontaktkonfiguration | 3-Pol Nr (3NEIN) |
| Hilfskontaktkonfiguration | 1 NEIN + 1 NC (1NO+1NC) |
| Mechanisches Leben | Bis zu 10,000,000 Operationen |
| Elektrisches Leben (AC-1) | 1,000,000 Operationen |
| Short-Circuit Withstand | Entspricht IEC 60947-4-1, suitable for industrial power grids |
Physikalische Eigenschaften
| Artikel | Spezifikation |
| Abmessungen | Ca. 270(W)*350(H)*220(D)mm (Standard) |
| Gewicht | Ca. 28kg |
| Betriebstemperatur | -25~+70C (standard environment) |
| Schutzgrad | IP20 (when installed in a control cabinet) |
| Montage | Bolt-mounted, fits standard electrical cabinets |
| Verdrahtung | Hauptstromkreis: copper bar connection; Hilfsstromkreis: terminal connection |
- Applications and Selection Advantages
Empfohlene Anwendungen
- Industrielle Motorsteuerung: Direct-on-line (DOL) starting, star-delta starting, soft starter bypass for large 3-phase induction motors
- Stromverteilungssysteme: Low-voltage switchgear, busbar sectionalizing, capacitor bank switching
- UPS & Inverter Systems: UPS transfer, inverter output control, bypass circuit switching
- Industrial Automation Lines: Schwere Maschinen, metallurgical equipment, mining machinery control
- Renewable Energy Systems: PV inverter output control, wind turbine converter control
Vorteile
Weitbereichsspule: 100–250V AC/DC universal, reduces inventory, compatible with global grids
High-performance design: H version provides higher short-circuit withstand, verbessert die Systemzuverlässigkeit
Modularer Aufbau: Integrated main and auxiliary contacts, einfache Installation, low maintenance cost
Lange Lebensdauer: Mechanische Lebensdauer bis zu 10 Millionen Operationen, elektrische Lebensdauer 1 Millionen Operationen
Energieeinsparung & environmental protection: Electronic control coil, geringer Stromverbrauch, low heat generation
- Alternative Models in the Same Series
| Alternatives Modell | Hauptunterschied | Anwendung |
| 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-Hilfskontakte | Control circuits requiring more NC auxiliary contacts |
| AF1250H-40-11-70 | 4-Pol Nr (4NEIN) | 3-phase 4-wire systems requiring neutral pole switching |
- Markenübergreifende Alternativen
- Siemens
| Alternatives Modell | Schlüsselparameter | Hauptunterschied | Anwendung |
| 3RT2076-6AP36 | 1250A, 3-Pole, 1NO+1NC, 100–250V AC/DC | Siemens 3RT series, highly compatible with ABB, matches S7 PLC systems | Industrielle Automatisierung, Siemens system integration |
| 3RT2076-6AP37 | 1250A, 3-Pole, 1NO+1NC, 24In DC | For safety voltage control, Gefahrenbereiche |
- Schneider Electric
| Alternatives Modell | Schlüsselparameter | Hauptunterschied | Anwendung |
| LC1D12500F7 | 1250A, 3-Pole, 1NO+1NC, 100–250V AC | Schneider TeSys D series, kompatibel mit Modicon PLC | Power distribution, Gebäudeautomation |
| LC1D12500M7 | 1250A, 3-Pole, 1NO+1NC, 220V und | Standard voltage coil, fixed grid applications |
- Mitsubishi
Alternatives Modell Schlüsselparameter Hauptunterschied Anwendung SD-N125 1250A, 3-Pole, 1NO+1NC, 100–250V AC/DC Mitsubishi SD series, kostengünstig, matches Mitsubishi PLC
- Mainstream Chinese Brands
| Alternatives Modell | Schlüsselparameter | Hauptunterschied | Anwendung |
| CHINT NC1-1250H/33 | 1250A, 3-Pole, 1NO+1NC, 100–250V AC/DC | Cost-effective domestic, compatible with Chinese PLC | Kostensensible Projekte, localization |
| Delixi CJX2-1250H/33 | 1250A, 3-Pole, 1NO+1NC, 100–250V AC/DC | Reliable domestic brand, guter Service | Allgemeine industrielle Automatisierung, KMU |
- Leitfaden zur Ersatzauswahl
- Direkter Ersatz (No System Change)
Top choices: Siemens 3RT2076-6AP36, Schneider LC1D12500F7
Grund: Parameters match AF1250H-30-11, same auxiliary contacts, coil voltage compatible, no control circuit modification needed.
- Leistungssteigerung (Improve Reliability)
Empfohlen: Siemens 3RT2076-6AP36 (with surge suppression), original ABB AF1250H-30-11-70
Verbesserung: Added surge protection, longer contactor life, reduced EMI.
- Kostenoptimierung (Domestic High-Value Solution)
Empfohlen: CHINT NC1-1250H/33, Delixi CJX2-1250H/33
Vorteil: 30–50% lower price than imported brands, meets general industrial needs.
- Important Replacement Notes
- Aktuelle Übereinstimmung: Nennstrom (AC-1) ≥ 1260A, motor rating (AC-3) ≥ 450kW at 400V.
- Spulenspannung: Must match the original system (100–250V AC/DC) to avoid coil burnout.
- Hilfskontakte: Confirm quantity and type (1NO+1NC) to avoid program changes.
- Montagemaße: 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, langes Leben, und modularer Aufbau, 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
- Produktpositionierung & Hauptmerkmale
This is a high-performance H-version 3-pole 1250A contactor from ABB’s AF series, standard model AF1250H-30-11-70.
Nennstrom: AC-1 1260A (400V) / 1210A (UL); AC-3 450kW (400V)
High-performance H version: Higher short-circuit withstand for harsh industrial environments
Weitbereichsspule: 100–250V AC/DC universal
Kontaktkonfiguration: 3NO main + 1NO+1NC auxiliary
Extra-long life: 10 million mechanical operations, 1 million electrical operations
Eingebauter Überspannungsschutz: Protects coil and control circuit
- Branchenanwendungen
- Industrielle Motorsteuerung (Kern)
| Anwendung | Typische Ausrüstung | Vorteile |
| Large motor DOL starting | Pumps, Fans, compressors ≤ 450kW (400V) | High short-circuit withstand, wide coil voltage |
| Star-delta main contactor | 630kW-class motors | 1250A capacity for heavy main circuits |
| Softstarter / VFD bypass | Bypass in normal operation | Long life for frequent switching |
| Reversing control | Kräne, winders, Hebezeuge | 3-pole suitable for 3-phase reversing |
- Stromverteilung & Infrastruktur
| Anwendung | Typische Ausrüstung | Vorteile |
| LV switchgear main control | Factory distribution panels | 1000V AC rated, 3-pole for 3-phase systems |
| Busbar sectionalizing | Plants, Rechenzentren | High reliability for critical power nodes |
| Capacitor bank switching | Blindleistungskompensation | High current withstand for inrush currents |
| UPS / inverter output | UPS, PV/wind systems | Wide coil compatible with UPS power |
- Schwerindustrie & Harsh Environments
| Anwendung | Typische Ausrüstung | Vorteile |
| Metallurgie | Walzwerke, Öfen, Kräne | -25~+70C, high short-circuit withstand |
| Bergbau | Hebezeuge, Brecher, Förderer | Vibration-resistant, highly reliable |
| Petrochemie | Pumps, Kompressoren, Heizungen | Corrosion-resistant, long life for hazardous areas |
| Papier & Drucken | Paper machines, printing lines | Precise control for continuous production |
- Erneuerbare Energie & Transport
| Anwendung | Typische Ausrüstung | Vorteile |
| 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, Schock & vibrationsbeständig |
| Schiffe & Off-Shore- | Deck machinery, Pumps, Belüftung | Wide temp range, hohe Zuverlässigkeit |
- Gebäude & Infrastruktur
| Anwendung | Typische Ausrüstung | Vorteile |
| Large commercial buildings | HVAC, Wasserpumpen, Fans | Global grid compatibility |
| Rechenzentren | Kühlung, UPS bypass, genset transfer | High reliability for critical loads |
| Krankenhäuser & airports | Emergency power, Aufzüge, Feuerlöschpumpen | Long life, geringer Wartungsaufwand |
- Applications by Functional Requirement
- High-Reliability Applications
Critical production lines (automotive, Halbleiter) requiring high MTBF
Safety systems: Aufzüge, Kräne, Feuerausrüstung
- Frequent Operation Applications
Automatisierte Linien (Verpackung, Montage) with high cycling rates
Materialhandhabung: 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
| Erfordernis | Priorität | Grund |
| Direct control of 400V / 450kW motors | ★★★★★ | Perfect rating match, H-version handles starting inrush |
| Häufiges Starten (>1 Millionen Operationen) | ★★★★☆ | 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 |
| Kostensensible Projekte | ★★☆☆☆ | Standard AF1250-30-11 recommended instead |
- Ungeeignete Anwendungen
- DC main circuit control: Designed for AC; use dedicated DC contactors.
- Extra-high voltage: Not for systems above 1000V AC (z.B., 1140V).
- Ultra-low-power loads: 1250A is oversized and inefficient.
- Explosionsgeschützte Bereiche: 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, Stromverteilung, Schwerindustrie, and renewable energy. It excels in applications requiring high reliability, häufiger Betrieb, and global compatibility. You may choose the standard AF1250-30-11 or cross-brand alternatives to balance performance and cost.
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