Cembre 4639042 WS-LB electrical hazard warning adhesive label with 12.5 mm warning triangle for machinery, switchgear and industrial electrical installations.
SKU:4639042Alt SKU:203900-BULKMPN:4639042
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Why Choose the Cembre 4639042 WS-LB Warning Adhesive Label?
The Cembre 4639042 is a premium WS-LB warning adhesive label designed to provide clear and durable identification of electrical hazards on machinery, control panels, switchgear and industrial equipment. Manufactured by Cembre, this industrial safety label features the internationally recognised electrical hazard warning symbol, helping improve workplace safety and equipment identification.
Designed for electrical contractors, panel builders and OEM machine manufacturers, the WS-LB series is manufactured using durable industrial materials with a permanent adhesive for reliable long-term performance. The labels are suitable for demanding industrial environments where clear safety marking is essential.
Featuring a 12.5 mm triangular warning symbol, the Cembre 4639042 is ideal for compact electrical equipment, terminals, control panels and machinery where space is limited. Supplied in bulk packs of 1,615 labels, it is well suited for high-volume production and panel-building applications.
Key Advantages
Industrial-grade electrical hazard warning label.
12.5 mm warning triangle for compact applications.
Ideal for machinery, switchgear and electrical panels.
Improves workplace safety and hazard awareness.
Permanent adhesive for long-lasting identification.
Manufactured by Cembre for professional industrial applications.
Key Features
Cembre WS-LB warning adhesive series.
Manufacturer part number: 4639042.
Alternative reference: 203900-BULK.
Electrical hazard warning symbol.
12.5 mm triangular label.
Durable industrial adhesive construction.
Suitable for industrial electrical equipment.
Supplied in packs of 1,615 labels.
Reliable Safety Identification for Industrial Equipment
Warning labels play a vital role in identifying hazardous electrical areas and helping maintenance personnel and operators recognise potential risks. The Cembre WS-LB range delivers professional-quality hazard identification for industrial environments.
These labels are widely used by electrical contractors, panel builders and OEM manufacturers to provide consistent safety marking across industrial installations.
Typical Applications
Electrical control panels.
Industrial switchgear.
Machine control cabinets.
OEM machinery manufacturing.
Industrial electrical installations.
Safety and hazard identification.
Technical Specifications
Series
WS-LB Warning Adhesive Labels
Alternative SKU
203900-BULK
Product type
Warning adhesive label
Warning symbol
Electrical hazard
Triangle size
12.5 mm
Application
Machinery, switchgear, control panels and electrical equipment
Pack quantity
1,615 labels
HS Code
39199080
Country of Manufacture
Italy
Frequently Asked Questions
What is the Cembre 4639042 used for?
It is used to identify electrical hazards on machinery, electrical equipment, switchgear and industrial control panels.
What size is the warning symbol?
The warning triangle measures 12.5 mm.
Where can this warning label be applied?
It is suitable for machinery, electrical panels, switchgear, control cabinets and industrial installations.
How many labels are supplied?
The product is supplied in bulk packs containing 1,615 labels.
Who typically uses these labels?
They are commonly used by electrical contractors, panel builders, machine manufacturers and maintenance engineers.
Trusted by Electrical Professionals Worldwide
Cembre industrial identification products are trusted worldwide by electrical contractors, OEM manufacturers and panel builders for reliable safety marking and professional equipment identification.
Series
WS-LB Warning Adhesive Labels
Alternative SKU
203900-BULK
Product type
Warning adhesive label
Warning symbol
Electrical hazard
Triangle size
12.5 mm
Application
Machinery, switchgear, control panels and electrical equipment
Pack quantity
1,615 labels
HS Code
39199080
Country of Manufacture
Italy
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.
What product ranges do you supply
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...