Insulated Butt Connectors & Insulated Butted Disconnectors

Why choose Shengling BV series mating terminals?

Premium tin-plated electrolytic copper core
UL94-V0 flame-retardant vinyl insulation
Seamless crimped copper sleeve construction for robustness
Multiple sizes available from 22 AWG to 2 AWG
Stable conductivity and long service life
OEM/ODM customization support
ISO9001 quality management system
Global export experience and reliable delivery

Shengling BV series insulated mating terminals provide safe, durable, and high-performance cable connection solutions for professional electrical applications worldwide.

Fast and Reliable Electrical Connections

Insulated mating terminals are designed for permanent wire-to-wire connections, providing a robust mechanical connection and stable current transmission. They are widely used in automotive, industrial, marine, and various electrical installation scenarios. The seamless terminal design ensures maximum crimp strength while minimizing voltage drop and resistance. Whether for line maintenance, cable extension, or new installations, these terminals provide reliable and professional connections, enhancing overall system reliability.

Premium Material Construction

This insulated butt connector is manufactured with a high-conductivity electrolytic copper core and durable PVC insulation. The copper barrel is tin-plated for superior corrosion resistance and long-lasting electrical performance. The PVC sleeve provides excellent insulation, mechanical protection, and flexibility, while the UL94-V0 flame-retardant rating enhances operational safety in demanding electrical applications.

Efficient, Cost-Effective, and Internationally Certified

The BV Vinyl Insulated Terminals are designed for safe, reliable, and long-lasting wire connections across automotive, industrial, and electrical applications. Each terminal combines a high-conductivity tin-plated copper core with a durable vinyl (PVC) insulation sleeve, providing both superior electrical performance and enhanced mechanical protection.

Key Features:

Premium Vinyl Material: Flexible and robust PVC insulation protects against abrasion, chemicals, and environmental wear.
UL94-V0 Safety: Self-extinguishing flame-retardant material ensures maximum safety, meeting high safety standards for critical electrical systems.
Tinned Copper Core: Provides excellent conductivity, corrosion resistance, and stable connections even in demanding conditions.

Insulated butt connectors
Material: Copper; Insulation Materials: PVC
Modelconductor cross-sectionSize(mm)Maximum
current
Color
A.W.Gmm²BL
BV1.522-160.5-1.515.01.726.019ARed
BV216-140.5-1.515.02.326.027ABlue
BV5.512-104-615.03.426.048AYellow
BV8#86-1021.04.532.062ARed
BV14#610-1626.05.842.088ABlue
BV22#416-2529.07.750.0115AYellow
Insulated butt connectors
Material: Copper; Insulation Materials: PVC
Modelconductor cross-sectionSize(mm)Maximum
current
Color
A.W.Gmm²BL
PVT1.2522-160.5-1.58.01.716.019ARed
PVT216-141.5-2.58.02.316.027ABlue
PVT5.512-104-68.53.420.548AYellow
Insulated butted disconnectors
Maximum current: 26-22 A.W.G: 9A; 16-14 A.W.G: 27A; 12-10 A.W.G: 48A;
Maximum pressure voltage: 105°C 600V; Insulating sleeve material: Nylon
ModelSize(mm)Connector materialConductor cross-sectionColor
L
BNYF0.520.02.01.3Copper tube26-22 A.W.G 0.2-0.5mm²Yellow
BNYF1.2527.33.21.7Copper tube22-16 A.W.G 0.5-1.5mm²Red
BNYF227.33.82.3Copper tube16-14 A.W.G 1.5-2.5mm²Blue
BNYF5.527.35.33.4Copper tube14-10 A.W.G 4-6mm²Yellow

How to use Insulated Receptacle/Buttet Disconnectors

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SMART TERMINAL SOLUTIONS

Empowering Electrical Connections With Innovation & Efficiency

Customized for R&D

  • Functional upgrades and structural optimizations
  • Dedicated mold design and rapid prototyping
  • Multi-scenario compatibility engineering

Certification and Support

  • International Compliance Documentation Guidance
  • Testing Organization Coordination and Standards Interpretation
  • Technical Documentation Localization

Flexible delivery

  • Finished Product/SKD Supply Options
  • Trial Order Verification Support
  • Priority Logistics from Key Ports

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How to Maintain Terminal Blocks

Regular Inspection

  • Regularly inspect terminal blocks for signs of wear, corrosion, or loose connections.

Clean Terminal Blocks Regularly

  • Use a soft brush and compressed air to clean terminal blocks and remove any dirt, dust, or debris that may accumulate on the contact points.

If Any Loose Connection Is Found

  • If any connection becomes loose, use a screwdriver to tighten the screws to the manufacturer’s recommended torque value. This helps ensure a safe and reliable electrical connection.

Check for Overheating

  • Inspect terminal blocks for signs of overheating, such as discoloration or deformation. Overheating may be caused by excessive current or poor contact resistance, and should be addressed promptly to prevent further damage.

Always Use Properly Sized Terminal Blocks

  • Be sure to select the correct size and type of terminal block according to the application requirements. Using undersized terminal blocks may lead to overheating, poor contact, and other issues.

Troubleshoot Faulty Connections

  • If a faulty connection occurs, check the wiring for short circuits, open circuits, or incorrect positioning. Use a multimeter or other diagnostic tools to identify the root cause of the problem.

Follow the Manufacturer’s Guidelines

  • Always follow the terminal block manufacturer’s instructions for installation, operation, and maintenance to ensure safe and reliable performance.
 

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