The ABB LW1250 (1SFN076407R1000) is a high-quality three-pole terminal enlargement kit designed for ABB AF1250 block contactors, providing increased terminal width to allow larger cable connectors and connection accessories to be installed. As an ABB contactor accessory, the LW1250 helps improve installation flexibility in high-current industrial switching applications.
This terminal enlargement accessory is specifically developed for ABB AF1250 and AF1250B three-pole contactors, enabling the use of larger connections where standard terminal dimensions may not be sufficient. Its robust construction provides a reliable solution for industrial control panels and motor control assemblies.
With a compact design measuring 126 mm in height, 53.8 mm in width and 10 mm in depth, the ABB LW1250 provides a practical method for adapting contactor terminals while maintaining compatibility with ABB low voltage switching systems.
Key Advantages
Designed as a three-pole terminal enlargement kit for ABB AF1250 contactors.
Allows installation of larger connectors on contactor terminals.
Improves wiring flexibility in high-current applications.
Provides ABB-approved compatibility with block contactor systems.
Supports efficient panel building and electrical installation.
Suitable for demanding industrial motor control environments.
Key Features
ABB LW1250 terminal enlargement.
Three-pole enlargement kit.
Compatible with AF1250 and AF1250B block contactors.
Screw terminal connection type.
Designed to increase contactor terminal pad width.
Suitable for industrial switching and control applications.
Reliable Terminal Adaptation for Industrial Contactors
Terminal enlargement accessories such as the ABB LW1250 provide a practical solution when larger cable connections are required on industrial contactors. They allow engineers and panel builders to adapt standard contactor terminals for more demanding electrical installations.
The LW1250 is designed for professional industrial applications where reliable ABB-compatible accessories are required. Its dedicated compatibility with AF1250 series contactors ensures straightforward installation and dependable operation within low voltage control systems.
Typical Applications
Industrial motor control panels.
High-current contactor assemblies.
Electrical switchgear installations.
Industrial automation systems.
Motor control centres.
Machine building applications.
Technical Specifications
Manufacturer
ABB
Product type
Terminal enlargement
Series
LW1250
Model
LW1250
Product ID
1SFN076407R1000
Suitable for
AF1250, AF1250B block contactors
Number of poles
3 pole
Terminal type
Screw terminals
Dimensions (W × D × H)
53.8 × 10 × 126 mm
Weight
1.95 kg
EAN
7320500356265
Frequently Asked Questions
What is the ABB LW1250 used for?
The ABB LW1250 is a three-pole terminal enlargement kit used to increase the width of AF1250 contactor terminals so larger connectors can be installed.
Which ABB contactors are compatible with the LW1250?
The LW1250 is designed for use with ABB AF1250 and AF1250B three-pole block contactors.
How many poles does the ABB LW1250 have?
The ABB LW1250 is a three-pole terminal enlargement kit.
What are the dimensions of the ABB LW1250?
The LW1250 has dimensions of approximately 53.8 × 10 × 126 mm.
What is the product code of the ABB LW1250?
The ABB LW1250 terminal enlargement has product ID 1SFN076407R1000.
Trusted by Industrial Control Professionals
ABB LW1250 terminal enlargements are used by panel builders and automation engineers to create flexible, reliable and professionally installed contactor systems in industrial environments.
Manufacturer
ABB
Product type
Terminal enlargement
Series
LW1250
Model
LW1250
Product ID
1SFN076407R1000
Suitable for
AF1250, AF1250B block contactors
Number of poles
3 pole
Terminal type
Screw terminals
Dimensions (W × D × H)
53.8 × 10 × 126 mm
Weight
1.95 kg
EAN
7320500356265
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.
Priority sourcing and supply support
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Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
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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...