Why Choose the ABB 1SFL647025R7011 Heavy Duty Block Contactor?
The ABB 1SFL647025R7011 is a heavy-duty industrial block contactor designed for demanding high-current switching applications. As part of the ABB 1SF contactor range, it provides reliable electrical control for high-power circuits, DC applications and industrial systems requiring robust switching performance.
This ABB contactor features a compact heavy-duty construction with bar terminals, a wide-range electronic control coil and auxiliary contacts for monitoring and control functions. It is engineered for reliable operation in demanding environments where high current capacity and long service life are required.
With an operational current rating of 1250 A, a 100–250 V AC/DC control coil and suitability for applications up to 1000 V, the ABB 1SFL647025R7011 is designed for heavy industrial switching duties including DC circuits where multiple poles may be connected in series.
Key Advantages
Heavy-duty ABB 1SF block contactor for high-current applications.
1250 A operational current rating for demanding electrical systems.
100–250 V AC/DC coil voltage range for flexible control integration.
Designed for high-performance industrial switching applications.
Robust bar terminal construction for high-current connections.
Suitable for demanding DC-1 applications up to 1000 V DC when configured correctly.
Key Features
ABB 1SFL647025R7011 block contactor.
ABB 1SF contactor series.
1 main normally open contact.
1 NO + 1 NC auxiliary contacts.
1250 A operational current rating.
100–250 V AC/DC electronic coil.
Bar terminal connection system.
Designed for heavy-duty electrical control systems.
Suitable for industrial power switching applications.
Reliable High-Current Switching for Industrial Systems
Heavy-duty contactors such as the ABB 1SFL647025R7011 provide dependable switching and isolation control for electrical systems where high current handling and reliable operation are essential. Their robust construction makes them suitable for industrial applications requiring long operational life.
The ABB 1SF contactor range is designed for high-performance control applications, combining durable mechanical construction, flexible coil operation and compatibility with demanding industrial environments.
Typical Applications
High-current industrial switching systems.
DC power control applications.
Industrial electrical distribution systems.
Heavy machinery and process equipment.
Energy and infrastructure systems.
Automation systems requiring high-current contactors.
Technical Specifications
Manufacturer
ABB
Series
1SF Contactors
Model
1SFL647025R7011
Product type
Heavy-duty block contactor
Contact configuration
1 NO
Auxiliary contacts
1 NO + 1 NC
Operational current Ie
1250 A
Control coil voltage
100–250 V AC/DC
Rated operational voltage
up to 1000 V
Terminal type
Bar terminals
Protection compliance
UL
Dimensions (H × W × D)
approx. 344 × 210 × 242 mm
Frequently Asked Questions
What is the ABB 1SFL647025R7011 used for?
The ABB 1SFL647025R7011 is a heavy-duty block contactor designed for high-current industrial switching and control applications.
What current rating does this contactor support?
The contactor supports an operational current rating of 1250 A.
What coil voltage does the ABB 1SFL647025R7011 use?
The contactor operates with a wide-range 100–250 V AC/DC control coil.
Does this contactor include auxiliary contacts?
Yes, the ABB 1SFL647025R7011 includes 1 NO + 1 NC auxiliary contacts.
Where is this contactor typically installed?
The contactor is typically installed in industrial control systems, power distribution equipment and heavy-duty electrical applications.
Trusted by Industrial Automation Engineers Worldwide
ABB heavy-duty contactors provide reliable high-current switching solutions for industrial systems requiring robust construction, flexible control and dependable electrical performance.
Manufacturer
ABB
Series
1SF Contactors
Model
1SFL647025R7011
Product type
Heavy-duty block contactor
Contact configuration
1 NO
Auxiliary contacts
1 NO + 1 NC
Operational current Ie
1250 A
Control coil voltage
100–250 V AC/DC
Rated operational voltage
up to 1000 V
Terminal type
Bar terminals
Protection compliance
UL
Dimensions (H × W × D)
approx. 344 × 210 × 242 mm
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...