Why Choose the Cembre 2051850 PL03-M Butt Splice Connector?
The Cembre 2051850 PL03-M is a premium PVC insulated butt splice connector designed to provide secure, permanent inline cable joints for copper conductors. Manufactured by Cembre, this high-quality crimp connector is engineered for professional electrical installations where dependable electrical performance, mechanical strength and long-term reliability are essential. The PL03-M is suitable for conductor sizes from 0.25 mm² to 1.5 mm².
Manufactured from high-conductivity electrolytic copper with a corrosion-resistant tin-plated finish, the connector features a durable red PVC insulation sleeve that eliminates the need for additional insulation after crimping. The internally rifled barrel improves conductor grip, producing a low-resistance electrical connection with excellent mechanical strength.
Ideal for industrial control panels, machinery wiring, electrical maintenance, OEM equipment and commercial electrical installations, the Cembre PL03-M delivers consistent, professional cable joints using standard crimping tools.
Red PVC insulation eliminates additional insulating requirements.
Internally rifled barrel improves conductor grip and tensile strength.
Fast installation using standard professional crimping tools.
Key Features
Manufacturer: Cembre.
Model: PL03-M.
Manufacturer Part Number: 2051850.
PVC insulated butt splice connector.
Suitable for 0.25–1.5 mm² conductors.
Electrolytically tin-plated copper barrel.
Red PVC insulation.
Internally rifled crimp barrel.
Professional crimp installation.
Supplied in packs of 100.
Reliable Inline Cable Joining for Industrial Applications
PVC insulated butt splice connectors provide a dependable method of permanently joining conductors while maintaining excellent electrical continuity. The Cembre PL03-M combines a precision-manufactured copper barrel with durable PVC insulation to produce reliable, low-resistance cable joints suitable for demanding industrial and commercial environments.
Its compact design and professional-grade construction make it an excellent choice for panel builders, machine manufacturers, electrical contractors and maintenance engineers requiring consistent crimp performance.
Typical Applications
Industrial control panels.
Machine building and OEM equipment.
Electrical maintenance and repair.
Factory automation systems.
Commercial electrical installations.
Control cabinet wiring.
General copper conductor cable splicing.
Technical Specifications
Series
PL PVC Insulated Butt Connectors
Manufacturer Part Number
2051850
Product type
PVC insulated butt splice connector
Conductor size
0.25–1.5 mm²
Conductor type
Copper stranded conductors
Connector material
Electrolytic copper
Surface finish
Electrolytically tin plated
Insulation material
PVC
Insulation colour
Red
Overall length
25 mm
Internal barrel diameter
4 mm
Operating temperature
-20°C to +80°C
Installation method
Crimp connection
HS Code
85369010
Country of Manufacture
Italy
Frequently Asked Questions
What is the Cembre 2051850 PL03-M used for?
It is used to permanently join two copper conductors using a professional crimp connection.
What conductor sizes does it support?
The PL03-M is suitable for copper conductors from 0.25 mm² to 1.5 mm².
What material is the connector manufactured from?
It features a high-conductivity electrolytic copper barrel with an electrolytically tin-plated finish and durable PVC insulation.
Does the connector require additional insulation?
No. The integrated PVC insulation sleeve eliminates the need for additional insulating tape or heat shrink tubing after crimping.
Where is the PL03-M commonly used?
It is widely used in industrial machinery, control panels, electrical maintenance, OEM equipment and commercial electrical installations.
Trusted by Electrical Professionals Worldwide
Cembre insulated connectors are trusted by electricians, panel builders and OEM manufacturers worldwide for delivering secure, durable and reliable electrical connections across industrial and commercial applications.
Series
PL PVC Insulated Butt Connectors
Manufacturer Part Number
2051850
Product type
PVC insulated butt splice connector
Conductor size
0.25–1.5 mm²
Conductor type
Copper stranded conductors
Connector material
Electrolytic copper
Surface finish
Electrolytically tin plated
Insulation material
PVC
Insulation colour
Red
Overall length
25 mm
Internal barrel diameter
4 mm
Operating temperature
-20°C to +80°C
Installation method
Crimp connection
HS Code
85369010
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.
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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...