Reliable connections that power the future

Professional manufacturing, widely used in electrical equipment and automation control, providing you with reliable connection solutions.

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1000+ Professional electrical manufacturer

Product features

High-quality materials

Manufactured with flame-retardant premium materials to ensure safety and reliability, compliant with international standards.

Precision manufacturing

Advanced processes and strict quality control ensure the accuracy and consistency of every unit.

Multiple specifications

A wide range of terminal models and sizes to meet diverse application needs.

Safe and reliable

Certified safety with excellent insulation performance and mechanical strength.

Fast delivery

Efficient supply chain and manufacturing capacity guarantee quick delivery.

Technical support

A professional engineering team provides comprehensive technical support and solutions.

Product series

Full range of electrical connection products

We provide a complete UK series terminal block lineup to meet different application needs.

UK-2.5N Series

Universal terminal block for 2.5mm² wires, widely used in control systems.

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  • 适用导线：2.5mm² / Wire: 2.5mm²

  • 额定电流/电压：12A / 500V

  • 阻燃外壳，符合IEC标准

  • 高强度铜合金导电件

  • 导轨安装，接线方便

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UK-4N Series

Universal terminal block for 4mm² wires with higher current capacity.

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  • 适用导线：4mm² / Wire: 4mm²

  • 额定电流/电压：20A / 500V

  • 优质铜材接触件，机械强度高

  • 阻燃外壳，安全可靠

  • 导轨安装，维护便捷

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Need more product information? Contact us for details.

Frequently asked questions

Answers to common questions about our products.

The UK series terminal blocks are high-quality electrical connection products manufactured by Wenzhou Yuyi Electric. Made with premium materials, they offer excellent conductivity and mechanical strength, widely used in industrial automation, power distribution, and machinery.

The UK series provides multiple specifications: UK-2.5N, UK-4N, UK-6N, UK-10N, etc. Each has corresponding current capacity and wire range to fit different scenarios.

Key features: 1) Premium materials for long-term stability; 2) Low contact resistance; 3) Reliable fastening; 4) Easy installation; 5) Compliant with IEC and other standards.

Consider: 1) wire cross-section; 2) current; 3) voltage level; 4) installation space; 5) environment. Contact our engineers for selection advice.

Produced under ISO9001 QMS with strict inspections. Compliant with IEC/GB standards and relevant certifications. Warranty and after-sales are provided.

Steps: 1) Power off; 2) Select proper wire size; 3) Strip proper length; 4) Insert and tighten; 5) Check firmness; 6) Insulation test. See manual for details.

Industrial automation, power distribution, machinery, building electrical, rail transit, and new energy, etc.

Contact our technical team by phone or email. We provide consulting, model selection and solutions.

Standard models are in stock and ship within 1–3 working days. Special specs or large orders depend on actual conditions.

Yes. We support custom specs/materials/markings as required. Provide detailed requirements for evaluation and quotation.

Reach our sales via phone, email, or visit our office for information, quotation, and ordering.

Quality guarantee under normal use. We offer replacement or repair for quality issues within warranty terms.

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Learn about our products, get professional technical support, and improveyour project efficiency!