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Overmolded Busbars

Overmolded busbars are engineered to address critical challenges in electrical connectivity, offering solutions that enhance efficiency, safety, and performance. They are designed to meet the high demands of industries where space, heat management, and reliability are top priorities. Their unique design and functionality provide high-performance electrical connections, helping overcome issues such as space constraints, overheating, and rapid assembly. 

Material Core

Copper, aluminum, or alloys for optimal electrical performance. 

Tin Coating Thickness

3-8 microns for enhanced conductivity and corrosion resistance. 

Bus Bar Thickness

1-6 mm for efficient power distribution and thermal management. 

Bus Bar Width

10-150 mm to fit various system designs and space requirements. 

Electrical Conductivity

>98% IACS for minimal power loss and optimal energy transfer. 

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Product Description

Overmolded busbars are a highly effective solution for addressing common challenges in electrical connectivity. With their compact design, superior durability, efficient heat dissipation, fast assembly, and precise electrical performance, they provide a reliable and cost-effective way to enhance the efficiency and longevity of electrical systems. Their versatility and customization options make them ideal for various industries, ensuring that systems are optimized for performance and functionality. 

Thermal Conductivity

Copper: 398 W/m·K; Aluminum: 205 W/m·K for effective heat dissipation. 

Voltage Rating

Up to 1000 V DC/AC for reliable power distribution in systems. 

Current Rating

100-1000 A based on size and system current handling needs. 

Operating Temperature

-40°C to +125°C for reliable operation in extreme temperatures. 

Corrosion Resistance

Highly resistant to environmental factors like moisture and chemicals. 

Mechanical Strength

Copper: 210 MPa; Aluminum: 130 MPa for strong, durable connections. 

Plating Adhesion

Excellent adhesion for long-lasting performance under mechanical stress. 

Surface Finish

Smooth, high-quality finish to reduce electrical resistance. 

Customization Options

Custom shapes, sizes, and configurations tailored to system needs. 

Standards Compliance

Complies with RoHS, UL, ISO 9001, IEC 60269, MIL-STD-202 standards. 

Technical Advantages

The overmolding process encapsulates electrical conductors within a protective layer, making overmolded busbars highly resistant to external factors like moisture, chemicals, and vibration. This enhanced durability ensures that the busbars perform reliably in demanding environments, extending the system’s lifespan and reducing the risk of failures due to environmental damage. 

Managing heat in electrical systems is crucial for preventing damage and maintaining long-term performance. Overmolded busbars excel in heat dissipation, ensuring electrical components remain at safe operating temperatures even under high-current conditions. The materials used in overmolding facilitate efficient thermal management, preventing overheating and enhancing the system’s overall reliability. 

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Industry Applications

Electric Vehicle (EV) Power Management

Overmolded busbars efficiently distribute high currents from battery packs to powertrain components, ensuring stable and low-resistance connections in confined spaces. 

Aircraft Electrical Power Systems

In aerospace, overmolded busbars integrate power distribution for avionics and control systems, minimizing weight while maintaining high electrical conductivity and thermal stability under fluctuating operational conditions. 

High-Power DC-DC Converters in Renewable Energy

Overmolded busbars are employed in high-power DC-DC converters to efficiently transfer power between photovoltaic modules and inverters, reducing power losses and ensuring reliable connections in harsh environmental conditions. 

Industrial UPS Systems

Overmolded busbars are utilized in uninterruptible power supplies (UPS) to handle high-current flow between rectifiers and inverters, with optimal heat dissipation and minimal voltage drop during power transition events. 

Electric Rail Locomotive Power Distribution

These busbars facilitate the distribution of high currents from locomotive traction batteries to the electric traction motors, ensuring thermal stability and resistance to vibrations and shocks during operation. 

Data Center Power Delivery

In large-scale data centers, overmolded busbars provide low-resistance power connections for server racks and cooling systems, ensuring thermal management and preventing signal interference in high-density layouts. 

Efficient Integration and High-Performance Electrical Conductivity

 Overmolded busbars are designed for quick and easy integration, minimizing assembly complexity and time required. The pre-molded design reduces the need for additional connectors, cables, or manual wiring, resulting in faster installation and lower labor costs. This contributes to more streamlined manufacturing processes, improving overall production efficiency.  

These busbars are engineered to provide precise electrical performance, handling high-current applications without signal degradation or power loss. The materials and design of overmolded busbars ensure optimal conductivity, minimizing electrical resistance and ensuring stable power delivery, which is essential for high-performance systems. 

overmolded busbars

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Having Doubts? Our FAQ

Check all our Frequently Asked Question

How do Overmolded Busbars improve heat dissipation in high-current applications?

Overmolded busbars are designed with materials that facilitate superior heat transfer. The overmolding encapsulates the conductors to maximize surface area, allowing heat to dissipate more efficiently. This design minimizes the risk of overheating by spreading the heat across the surface, ensuring that the system operates at safe temperatures even in high-current environments. 

How do Overmolded Busbars minimize electrical resistance in power delivery?

The materials used in overmolded busbars, such as copper or aluminum alloys, are chosen for their high conductivity. The overmolding process ensures the electrical pathways remain uninterrupted and smooth, reducing electrical resistance. This results in more efficient power delivery with minimal energy loss, crucial for maintaining stable operation in high-power applications. 

What role does the overmolding material play in protecting the conductors from environmental factors?

Overmolding materials like thermoplastics protect against environmental factors like moisture, dust, and chemicals. This ensures the electrical conductors remain insulated and safe from corrosion, oxidation, or physical damage. The overmolded layer also reduces the effects of vibration, which can degrade the performance of traditional, unprotected connectors. 

How do Overmolded Busbars contribute to reducing electromagnetic interference (EMI)?

Overmolded busbars can be designed with shielding materials or specific geometries that help reduce electromagnetic interference (EMI). The molded layer can act as a barrier that absorbs or deflects EMI, ensuring that electrical signals remain stable and interference from external sources is minimized. This is especially important in sensitive electronic equipment or communication systems where noise can disrupt performance. 

Can Overmolded Busbars be customized to fit specific electrical layouts?

Yes, overmolded busbars are highly customizable to meet unique electrical requirements. They can be tailored in shape, size, and configuration to fit complex layouts or limited spaces. Custom overmolding ensures that the busbars integrate seamlessly with other components, providing optimal conductivity and performance while saving space and reducing the need for additional wiring or connectors. 

Why should OEMs source Overmolded Bus Bars directly from Frigate as a manufacturing partner?
  • Design-for-manufacturing (DFM) support to optimize bus bar geometry and insulation. 
  • Reduced assembly complexity through integrated overmolded designs. 
  • Precision manufacturing for consistent high-current electrical performance. 
  • Scalable production from prototypes to high-volume manufacturing. 
  • Strict quality validation and international standards compliance. 
Can Frigate support custom overmolded bus bar designs for complex electrical systems?
  • Fully customized bus bar shapes and electrical layouts. 
  • Support for 3D geometries, multi-layer conductors, and integrated terminals. 
  • Engineering collaboration for EV, aerospace, and industrial applications. 
  • Prototype development to optimize current flow and thermal performance. 
  • Precision overmolding for accurate insulation and fit. 
How does Frigate ensure reliability in high-current overmolded bus bar manufacturing?
  • High-conductivity copper or aluminum conductors. 
  • Controlled tin plating for corrosion protection. 
  • Durable overmolding for vibration, moisture, and chemical resistance. 
  • Thermal, electrical, and mechanical performance testing. 
  • Manufacturing aligned with global industry standards. 
What production capabilities does Frigate offer for large-scale OEM programs?
  • High-volume stamping, forming, and overmolding. 
  • Custom tooling for consistent repeatable production. 
  • Tight tolerance manufacturing for electrical reliability. 
  • Stable material sourcing and supply chain management. 
  • Support for long-term OEM production programs. 
How can companies start a project with Frigate for Overmolded Bus Bars?
  • Share electrical specs, drawings, or CAD files with Frigate. 
  • Engineering team performs design and manufacturability review. 
  • Prototype development and cost optimization recommendations. 
  • Clear timelines, documentation, and compliance validation. 
  • Transition to scalable manufacturing after approval. 
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LOCATIONS

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ

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LOCATIONS

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Other Locations

  • Bangalore
  • Chennai
  • India
  • Germany
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Become a Supplier

GENERAL ENQUIRIES

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  • manufacture@frigate.ai
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Overmolded Busbars

Need reliable wires and cables for your next project? Get in touch with us today, and we’ll help you find exactly what you need!

Get Latest Price

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Overmolded Busbars

Need reliable Machining for your next project? Get in touch with us today, and we’ll help you find exactly what you need!

Get Latest Price

Get Price Form