Why Choose the Cembre 2470470 ES03-BK Insulated Cover?
The Cembre 2470470 ES03-BK Insulated Cover is a high-quality PVC insulating cover designed to provide dependable electrical insulation, mechanical protection and professional cable identification for small cable lug terminations. Manufactured by Cembre, this durable insulated cover protects electrical connections from accidental contact, moisture, dust and abrasion while ensuring a neat, professional finish.
Manufactured from flame-retardant PVC, the ES03-BK is specifically designed for A03 copper tube lugs. Its flexible construction enables fast installation whilst providing long-lasting protection in electrical panels, control equipment, machinery and industrial installations.
Finished in black, with a UL 94 V0 self-extinguishing fire rating and RoHS compliance, the Cembre ES03-BK delivers reliable performance in demanding electrical applications.
Key Advantages
Premium PVC insulated cover for cable lugs and electrical terminals.
Designed for A03 copper tube lugs.
Provides dependable electrical insulation and mechanical protection.
Black finish for clear cable identification and professional installations.
UL 94 V0 flame-retardant construction improves electrical safety.
RoHS compliant for environmentally responsible installations.
Key Features
Manufacturer: Cembre.
Model: ES03-BK.
Manufacturer part number: 2470470.
Flame-retardant PVC construction.
Black insulated finish.
Maximum operating temperature: 85°C.
UL 94 V0 self-extinguishing fire classification.
Designed for A03 cable lug terminations.
Reliable Insulation for Small Cable Terminations
The ES03-BK insulated cover provides effective protection against accidental contact with live conductors while shielding cable lugs from moisture, dust, vibration and mechanical damage. Its flexible PVC construction allows quick installation while maintaining reliable insulation throughout its service life.
Ideal for electrical contractors, OEMs and panel builders, the ES03-BK delivers dependable protection for compact cable terminations in industrial and commercial environments.
Typical Applications
Electrical control panels.
Industrial switchgear.
Small cable lug insulation.
Control equipment.
Industrial automation systems.
Commercial electrical installations.
Technical Specifications
Manufacturer Part Number
2470470
Product type
Insulated cover
Suitable for
A03 copper tube lugs
Material
Polyvinyl Chloride (PVC)
Colour
Black
Maximum operating temperature
85°C
Fire rating
UL 94 V0
RoHS compliant
Yes
Overall length (L)
15 mm
Length L1
7 mm
Length L2
8 mm
Supplied internal diameter
3.3 mm
Recovered internal diameter
3.1 mm
Wall thickness
0.6 mm
HS Code
85472000
Country of Manufacture
Taiwan
Frequently Asked Questions
What is the Cembre 2470470 ES03-BK used for?
It provides electrical insulation and mechanical protection for compatible A03 copper tube cable lugs and electrical terminals.
What material is the insulated cover manufactured from?
The cover is manufactured from flame-retardant PVC for dependable insulation and long service life.
What is the maximum operating temperature?
The ES03-BK is suitable for continuous operating temperatures up to 85°C.
Is the insulated cover flame retardant?
Yes. It features a UL 94 V0 self-extinguishing fire classification.
Where is this insulated cover typically installed?
It is commonly installed on cable lug terminations in electrical panels, switchgear, machinery and industrial power distribution equipment.
Trusted by Electrical Professionals Worldwide
Cembre insulated covers are trusted worldwide by electrical contractors, OEM manufacturers and panel builders for providing reliable insulation, long service life and professional-quality cable termination protection.
Manufacturer Part Number
2470470
Product type
Insulated cover
Suitable for
A03 copper tube lugs
Material
Polyvinyl Chloride (PVC)
Colour
Black
Maximum operating temperature
85°C
Fire rating
UL 94 V0
RoHS compliant
Yes
Overall length (L)
15 mm
Length L1
7 mm
Length L2
8 mm
Supplied internal diameter
3.3 mm
Recovered internal diameter
3.1 mm
Wall thickness
0.6 mm
HS Code
85472000
Country of Manufacture
Taiwan
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...