C10100 Copper Contact
Products Description

The C10100 Copper Contact is primarily used in the conductive contacts/connection parts of relays, contactors, circuit breakers, and switches. Through high-purity copper and customized processes, it achieves engineering-grade performance with low contact resistance, high conductivity, and resistance to arc erosion, making it suitable for demanding electrical connection scenarios in industrial automation, power transmission, and new energy fields.
As a critical conductive component, the Silver Cadmium Electrical Contact not only determines current transmission efficiency but also directly affects equipment lifespan, temperature rise control, and long-term operational stability. Therefore, strict requirements are placed on material purity, processing precision, and plating processes during engineering procurement and technology selection.
Material Advantages
C10100 Oxygen-Free Copper
C10100 has an oxygen content of <5ppm, avoiding the risk of hydrogen embrittlement. It does not produce bubble defects in high-temperature brazing or vacuum environments, resulting in significantly higher welding reliability than ordinary electrolytic copper.
Low Resistance Advantage
Extremely low content of impurity elements (such as phosphorus, iron, and sulfur), resulting in weak electron scattering effects and conductivity more than 2% higher than C11000. Cold Forming Process Contacts can reduce Joule heat loss by approximately 5% in high-current applications.
Excellent Corrosion Resistance
Oxygen-free copper oxidizes at a lower rate than ordinary copper in humid and sulfur-containing atmospheres. Combined with nickel/silver plating surface treatment, this significantly extends the service life of Spring Electrical Contacts in harsh environments.
Environmental Compliance
C10100 copper itself does not contain harmful substances such as lead and cadmium, complying with RoHS 2.0 and REACH regulations. Bimetal Relay Contact Points face no export barriers.

Detailed Specifications
| Surface Treatment | Cold Headed Parts undergo fine polishing, resulting in a smooth, flawless surface that effectively reduces contact resistance. |
| Internal Structure | The Contactor Contacts feature a compact internal structure, free from defects such as pores and cracks, ensuring stable current transmission. |
| Riveted Joints | Riveted joints are secure and reliable, preventing loosening or detachment, guaranteeing the stability of Rotating Electrical Contacts during long-term use. |
| Dimensional Accuracy | High-precision measuring instruments are used to inspect the contact dimensions, ensuring that each Contactor Electrical Silver Contact meets design requirements. |

Application Areas
Low-Voltage Electrical Appliances
Compatible with various AC contactors, circuit breakers, and relays, serving as the base carrier for Breaker Silver Contacts, ensuring safe circuit switching and reducing contact loss.
Industrial Control
Used in industrial control equipment such as limit switches, control switches, etc., adapting to the rotating contact scenarios of Rotating Electrical Contacts and improving equipment operational stability.
Automotive Electronics
Open Contactor Silver Contacts are used in automotive relays, fuse boxes, and vehicle switches, and are IATF16949 automotive-grade certified, suitable for use in automotive vibration and high-temperature environments.
New Energy and Home Appliances
Used in new energy charging piles, photovoltaic inverters, energy storage systems, home appliance relays, thermostats, etc. High conductivity and low-loss characteristics improve equipment energy efficiency and lifespan.

contact us
We deeply understand that electrical reliability stems from rigorous control over basic materials and processes. Choosing our C10100 Copper Contact means choosing a high-standard, traceable, and long-term reliable supply chain. Contact us today to find the optimal contact solution for your relay or contactor project.
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