Copper Blade Contact Knife For Fast Fuse
In new, high-reliability, high-power-density electrical systems, Copper Blade Contact Knife For Fast Fuse, as crucial components of fast fuses, play a key role in connection, conduction, and overcurrent protection. They not only enable rapid circuit interruption but also ensure system safety and stability under extreme operating conditions. They are an indispensable core component in power systems and the renewable energy sector.
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Product Introduction
Product Overview
The Copper Blade Contact Knife for Fast Fuse is a high-performance conductive connection component designed specifically for the new energy and industrial sectors. Utilizing high-purity copper-based materials, precision stamping, and multiple surface treatments, it is a core component in fast fuses, ensuring rapid circuit breakage and secure connection. The product is ISO 9001, IATF 16949, RoHS, and REACH certified, supports customized designs, and is widely used in new energy vehicles, photovoltaic energy storage, power distribution, and other applications, providing reliable protection for high-current circuits.
Product Basic Information and Performance Parameters
Material Selection – The Optimal Combination of High Conductivity and High Strength for Fuse Blade Contact:
Copper Stampings (T2Y2 / C1100 / SECu)
Copper content up to 99.99%, %IACS ≥ 97
Vickers hardness HV: 80-110, offering excellent conductivity and machinability
Suitable for applications requiring extremely high conductivity, such as high-voltage DC fuses
Brass Stampings (H65 / CuZn36 / C2700)
Copper content approximately 65%, tensile strength σb ≥ 440 MPa
Excellent material hardness, suitable for structural components and systems resistant to mechanical shock
Optional Surface Treatment for Blade-type Fuse Contact:
We offer a variety of surface treatment options for different applications:
Silver plating (enhanced conductivity, high-temperature oxidation resistance)
Bright tin plating (economical, corrosion-resistant, improved solderability)
Lead-free matte tin plating (environmentally friendly, RoHS/REACH compliant)
Nickel plating (improved corrosion and wear resistance)
Ultrasonic cleaning (deeply removes soldering and stamping residues to ensure electrical performance)
Manufacturing Capabilities and Precision Craftsmanship
Leveraging automated workshops and advanced machining centers, we possess full-process vertical manufacturing capabilities, from stamping and forming to electroplating and welding, ensuring consistent product quality and the ability to supply high volumes.
Process Flow Covers for Fuse Terminal:
Stamping – Precision mold manufacturing with controllable dimensional tolerances, compatible with automated assembly systems
Stretching/Bending – Enhanced structural stability to meet special installation space constraints
Riveting/Cold Forming – Component-level assembly services to improve customer integration efficiency
Silver Brazing/Tin Brazing/Laser Welding/Resistance Welding – Strongly connect dissimilar metal materials with excellent conductivity and low contact resistance
CNC Metal Fabrication – Customizable custom shapes to meet complex design requirements
Surface Treatment – Uniform coating, strong adhesion, and salt spray testing capable of exceeding 96 hours
Production Capacity and Delivery Time for Fuse Contact Blade:
Monthly Capacity: 50 million units/month
Sample Delivery Time: 20–25 days (including copper stamping mold production)
Bulk Order Delivery Time: 7–10 business days
Free Sample Support: 10–50 samples to enable rapid design verification
Typical Application Areas
| New Energy Power Systems |
Photovoltaic (PV) DC Fuses Provide stable conductive connections and fast protection to prevent reverse current damage to components Energy Storage Systems (ESS) Provide fast fuse action in high-voltage, high-current scenarios to ensure battery safety Electric Vehicle (EV) Fuse Systems Applied to DC-DC converters and power battery packs, with fast response DC Link Fuses (UPS/PDU) Precisely interrupt circuits to prevent system overcurrent damage |
| Industrial and Power Automation Systems |
NH Fuses, BS Fuses Structure and materials that meet international standards to meet global market demands Modular Power Distribution Units (PDUs) High installation efficiency, compatible with various terminal structures |
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