Copper Spring Contacts

Copper Spring Contacts are indispensable core conductive components in modern electrical control and protection devices, specifically designed and manufactured for critical electrical components such as relays, switches, contactors, and fuses. They are not only current carriers but also decisive factors in equipment reliability, response speed, and long-term stability. Our products use high-purity copper (T2 and above grades), formed through precision stamping and advanced processes, achieving an excellent balance of electrical performance, mechanical elasticity, and durability. We provide reliable connection solutions for professional customers in industrial automation, power control, new energy vehicles, and high-end equipment manufacturing.

Send Inquiry

Products Description

Copper Spring Contacts, as core components of critical electrical parts such as relays, switches, contactors, and fuses, undertake essential functions such as conductive transmission, elastic triggering, and circuit switching control. Leveraging the natural advantages of copper and the deep integration of precision stamping technology, these products are characterized by "low resistance, high elasticity, and strong stability," making them suitable for the stringent operating conditions of various mid-to-high-end electrical equipment and providing reliable structural support for power transmission and control.

Core Product Nature and Characteristics

Material Essence

Made of high-quality copper with a copper content ≥99.90%, exhibiting a unique high conductivity base color, with a basic conductivity exceeding 100% IACS for Red Copper Stamping Parts.

Structural Forms

Covering various three-dimensional structures such as sheet, finger, arch, and composite bending, possessing both static contact pressure and dynamic following compensation capabilities for Copper Pressed Components.

Interface Characteristics

Contact surfaces can be selectively plated (e.g., silver, tin, nickel plating) to maintain low contact resistance while enhancing resistance to environmental corrosion for Copper Pressed Stamped Parts.

Functional Integration

Many designs integrate multiple functions such as current conduction, elasticity, positioning, and buffering, simplifying the overall assembly structure of electrical components.

Copper Stamped

Manufacturing Process

Design Phase

Customized contact shapes and sizes based on customer application scenarios (e.g., high-voltage relays, low-voltage switches), providing 3D modeling and mechanical simulation services for Copper Stamped.

Mold Development

Utilizing high-speed steel (HSS) and cemented carbide (WC) composite molds with a lifespan exceeding 500,000 cycles, reducing mold change frequency for Copper Pressed Stamped Parts.

Stamping Forming

Step-by-step stamping process, including pre-punching, forming, and final finishing, ensuring dimensional accuracy and surface of Copper Pressed Components finish (Ra≤0.8μm).

Red Copper Stamping Parts