# Buy uninsulated butt connector 4.0 mm² at Autoservice ## Uninsulated butt connector 4.0 mm² for reliable cable connections Electrical / Non-insulated terminal lugs / Non-insulated butt connectors Uninsulated butt connector 4.0 mm² for efficient and reliable cable connections. ## Prices and stock - **SIN-SC61040**: € 6,10 incl. VAT — 4 in stock ## Order URL [Uninsulated butt connector 4.0 mm² for reliable cable connections](https://www.auto-service.be/en/electrical/non-insulated-terminal-lugs/non-insulated-butt-connectors/bumper-connector-uninsulated-40mm2-10pcs) ## Alternate URLs - **nl**: [Uninsulated butt connector 4.0 mm² for reliable cable connections](https://www.auto-service.be/nl/elektro/ongeisoleerde-kabelschoenen/stootverbinders-ongeisoleerd/stootverbinder-ongeisoleerd-40mm2-10st) - **fr**: [Uninsulated butt connector 4.0 mm² for reliable cable connections](https://www.auto-service.be/fr/electrique/ongeisoleerde-cable-shoes/connecteurs-bout-a-bout-non-isoles/connecteur-bout-a-bout-non-isole-40mm2-10pc) - **en**: [Uninsulated butt connector 4.0 mm² for reliable cable connections](https://www.auto-service.be/en/electrical/non-insulated-terminal-lugs/non-insulated-butt-connectors/bumper-connector-uninsulated-40mm2-10pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/18681/conversions/stootverbinder-ongeisoleerd-40mm2-10st-21349-optimized.jpg) ## Specifications - **Reference**: SIN-SC61040 - **Materiaal**: Koper - **Kleur**: Zilver - **Kwadratuur**: 4 mm² - **Uitvoering (geisoleerd/ongeisoleerd)**: Ongeisoleerd - **Aantal in verpakking**: 10 - **Material**: Copper - **Color**: Silver - **Quadrature**: 4 mm² - **Execution (insulated/uninsulated)**: Insulated - **Quantity in packaging unit**: 10 ## Product description ### Efficient cable connections with uninsulated butt connectors For creating reliable and efficient cable connections, the uninsulated 4.0 mm² butt connector is an excellent choice. This connector is specially designed to securely join two cables with a cross-section of 4 mm², which is essential in various electrical installations. ### High-quality material and design This butt connector is made of high-quality copper and features a tinned finish. This ensures optimal electrical conductivity and provides protection against corrosion, extending the lifespan of the connection. The long sleeve shape without insulation allows cables to be connected easily and securely. ### Application possibilities The uninsulated 4.0 mm² butt connector is suitable for various applications: - **Industrial installations**: Ideal for connecting cables in machines and automation systems. - **Electrical installations**: Suitable for use in switch cabinets and distribution panels. - **Vehicles and transport technology**: Applicable in the wiring of cars, trucks, and boats. ### Technical specifications - **Nominal cross-section**: 4 mm² - **Material**: Copper - **Surface protection**: Tinned - **Sleeve shape**: Long - **Suitable for**: - Stranded conductors: Yes - Solid conductors: No - **Voltage range**: Up to 10 kV ### Installation and use For optimal connection, it is important to use the correct crimping tool suitable for uninsulated 4.0 mm² butt connectors. Make sure the cables are properly stripped and fully inserted into the sleeve before making the crimp connection. This ensures a safe and durable electrical connection. ### Advantages of uninsulated butt connectors - **Reliable connection**: Provides a strong and safe electrical connection. - **Easy installation**: Simple to use with standard crimping tools. - **Versatility**: Suitable for various applications in both industrial and automotive sectors. ### Availability and packaging These uninsulated 4.0 mm² butt connectors are available in packs of 10, which is convenient for both small and larger projects. Always ensure you have enough stock for your installation work. ### Summary With the uninsulated 4.0 mm² butt connector, you have a reliable and efficient solution for connecting cables in various applications. Thanks to the high-quality material and easy installation, this is an indispensable component for every professional in electrical engineering. ## Breadcrumbs - [Electrical](https://www.auto-service.be/en/electrical) - [Non-insulated terminal lugs](https://www.auto-service.be/en/electrical/non-insulated-terminal-lugs) - [Non-insulated butt connectors](https://www.auto-service.be/en/electrical/non-insulated-terminal-lugs/non-insulated-butt-connectors) ## Related products - [Uninsulated butt connector 2.5 mm² (10 pieces)](https://www.auto-service.be/en/electrical/non-insulated-terminal-lugs/non-insulated-butt-connectors/bump-connector-uninsulated-25mm2-10pcs) - [uninsulated butt connector 16 mm² for reliable cable connections](https://www.auto-service.be/en/electrical/non-insulated-terminal-lugs/non-insulated-butt-connectors/uninsulated-butt-connector-160mm2-10pcs) - [Uninsulated butt connector 25.0 mm² for reliable cable connections](https://www.auto-service.be/en/electrical/non-insulated-terminal-lugs/non-insulated-butt-connectors/uninsulated-butt-connector-250mm2-10pcs) - 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