Why Choose the ABB 1SBN163502R1000 ZLU50 Main Contact Set?
The ABB 1SBN163502R1000 is a genuine main contact set designed as a replacement accessory for ABB UA50 capacitor duty contactors and related industrial switching equipment. As part of the ABB ZLU contact set series, it restores reliable electrical switching performance by replacing worn or damaged main contact components.
This replacement contact set is engineered for maintenance and refurbishment of ABB contactors, helping extend equipment service life while maintaining dependable current switching performance in industrial power applications. The ZLU50 contact set includes fixed contacts, moving contacts, springs and the required mounting screws for installation.
Designed for use with ABB UA50 contactors, the ABB 1SBN163502R1000 provides a practical solution for servicing capacitor duty contactors and restoring reliable main contact operation in industrial electrical systems.
Key Advantages
Genuine ABB replacement main contact set for UA50 contactors.
Restores reliable switching performance of industrial contactors.
Includes fixed contacts, moving contacts, springs and mounting screws.
Designed for efficient contactor maintenance and refurbishment.
Helps extend the operational life of ABB switching equipment.
Suitable for industrial power control and capacitor switching applications.
Key Features
ABB ZLU50 contact set series.
Replacement main contact assembly.
Compatible with ABB UA50 contactors.
Includes 6 fixed contacts.
Includes 3 moving contacts.
Supplied with springs and required screws.
Designed for three-pole contactor maintenance.
Compact replacement component for industrial servicing.
Reliable Contact Replacement for Industrial Switching Systems
Main contact sets are critical replacement components that maintain the electrical performance of contactors used for motor control, capacitor switching and industrial power applications. Replacing worn contacts helps reduce downtime and improves the reliability of electrical installations.
The ABB ZLU50 contact set provides engineers and maintenance teams with a genuine replacement solution for compatible ABB UA50 contactors. Its precise design ensures correct mechanical fit and dependable switching operation within industrial systems.
Typical Applications
Capacitor duty contactor maintenance.
Industrial power switching systems.
Electrical panel refurbishment.
Motor control equipment servicing.
Industrial automation maintenance.
Replacement of worn contactor components.
Technical Specifications
Manufacturer
ABB
Series
ZLU Contact Sets
Model
1SBN163502R1000
Alternative designation
ZLU50
Product type
Main contact set
Accessory type
Contactor replacement contact assembly
Compatible contactor
ABB UA50
Contact arrangement
3-pole contact set
Fixed contacts
6
Moving contacts
3
Included components
Contacts, springs and screws
Dimensions
approx. 11.2 × 32.6 × 3.7 mm
Weight
approx. 0.115 kg
Frequently Asked Questions
What is the ABB 1SBN163502R1000 used for?
The ABB 1SBN163502R1000 ZLU50 is a replacement main contact set used to restore switching performance in compatible ABB UA50 contactors.
Which ABB contactor is compatible with this contact set?
The ZLU50 contact set is designed for use with the ABB UA50 contactor.
What components are included in the contact set?
The ABB ZLU50 contact set includes 6 fixed contacts, 3 moving contacts, springs and the required screws.
Why replace a contact set?
Replacing worn contact components helps maintain reliable electrical switching performance and extend the service life of industrial contactors.
Where is this contact set typically installed?
The ABB 1SBN163502R1000 is installed inside compatible ABB UA50 contactors used in industrial power and control applications.
Trusted by Industrial Automation Engineers
ABB replacement contact sets are widely used by maintenance engineers and machine builders to restore reliable switching performance and extend the service life of industrial contactors.
Manufacturer
ABB
Series
ZLU Contact Sets
Model
1SBN163502R1000
Alternative designation
ZLU50
Product type
Main contact set
Accessory type
Contactor replacement contact assembly
Compatible contactor
ABB UA50
Contact arrangement
3-pole contact set
Fixed contacts
6
Moving contacts
3
Included components
Contacts, springs and screws
Dimensions
approx. 11.2 × 32.6 × 3.7 mm
Weight
approx. 0.115 kg
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
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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...