The Wöhner 31552 is a durable end cap designed to provide a safe and professional finishing solution for 2-pole and 3-pole 25 mm² comb-type busbars. By covering the exposed end of compatible busbars, it helps improve installation safety, provides insulation from accidental contact and gives electrical panels a neat, finished appearance.
Manufactured by Wöhner, a global leader in electrical power distribution technology, the 31552 end cap is designed specifically for compatible Wöhner comb-type busbars. Manufactured to IEC 61439-1 and UL 508 standards, it offers reliable mechanical protection for industrial control panels, switchgear assemblies and OEM electrical equipment.
Constructed from halogen-free insulating material, the Wöhner 31552 does not carry electrical current but provides dependable protection for exposed busbar ends, helping improve safety and ensuring compliance with good panel building practices.
Key Advantages
Provides a safe finish for 2-pole and 3-pole comb-type busbars.
Designed for 25 mm² comb busbars.
Protects exposed busbar ends against accidental contact.
Manufactured from halogen-free insulating material.
Improves the appearance of electrical panels.
Manufactured to IEC and UL standards for dependable performance.
Key Features
Wöhner end cap.
Compatible with 2-pole and 3-pole comb-type busbars.
Designed for 25 mm² busbars.
Halogen-free construction.
Lightweight design.
Simple push-fit installation.
Suitable for industrial control panels.
UL approved.
Reliable Protection for Comb-Type Busbars
End caps provide an important finishing component for electrical distribution assemblies by covering exposed busbar ends. Although they do not carry electrical current, they improve operator safety, help prevent accidental contact and contribute to a professional panel installation.
The Wöhner 31552 is ideal for industrial switchgear, distribution boards and machine control panels where compatible 2-pole and 3-pole comb-type busbars are installed.
Typical Applications
Industrial control panels.
Distribution boards.
Switchgear assemblies.
Machine building.
OEM electrical equipment.
Commercial power distribution systems.
Technical Specifications
Phase
Three Phase
Manufacturer
Wöhner
Model
31552
Part number
31552 000
Product type
End cap
Compatible busbars
2-pole and 3-pole comb-type busbars
Busbar cross-section
25 mm²
Material
Halogen-free insulating material
Standards
IEC 61439-1, UL 508
UL type
CTB-C3
Application
Busbar end protection
Pack quantity
20
Approximate weight
0.2 kg per 100 pieces
Frequently Asked Questions
What is the Wöhner 31552 used for?
The Wöhner 31552 is used to safely cover the exposed end of compatible 2-pole and 3-pole comb-type busbars.
Which busbars is it compatible with?
It is designed for 25 mm² 2-pole and 3-pole comb-type busbars.
Does the end cap carry electrical current?
No. The end cap is a mechanical insulating accessory and does not carry electrical current.
Is the material halogen free?
Yes. The Wöhner 31552 is manufactured from halogen-free material.
Where is the Wöhner 31552 typically installed?
It is installed on the exposed end of compatible comb-type busbars in electrical control panels, switchgear and distribution boards.
Trusted for Professional Panel Building
Wöhner busbar accessories are trusted by panel builders, OEM manufacturers and industrial electricians for delivering safe, professional and reliable electrical installations.
Phase
Three Phase
Manufacturer
Wöhner
Model
31552
Part number
31552 000
Product type
End cap
Compatible busbars
2-pole and 3-pole comb-type busbars
Busbar cross-section
25 mm²
Material
Halogen-free insulating material
Standards
IEC 61439-1, UL 508
UL type
CTB-C3
Application
Busbar end protection
Pack quantity
20
Approximate weight
0.2 kg per 100 pieces
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
Trusted Manfacturers
● frequently asked questions
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...