The materials for electronic contact pieces can be selected from different metals or alloys according to specific application requirements. Common electronic contact piece materials include copper, silver, stainless steel, etc.
Copper is a commonly used electrical contact material because it has good conductivity and thermal stability. Silver has excellent conductivity and is suitable for low voltage and low current applications. Stainless steel has good corrosion resistance and is suitable for harsh environments such as high humidity and salt spray.
In addition, according to specific needs, alloy electrical contact pieces can also be selected, such as iron nickel alloy, nickel chromium alloy, etc. These alloy materials have high conductivity, high thermal diffusion rate, good corrosion resistance, and mechanical strength.
In general, when selecting materials for electronic contact pieces, it is necessary to consider their conductivity, corrosion resistance, wear resistance, high-temperature stability, and other characteristics to ensure that the electrical contact pieces can work normally in various environments.
Electrical Switches Contacts have the following features:
Good conductivity: it can conduct current efficiently, ensure the current passes through the switch smoothly when it is connected, and reduce the energy loss caused by the resistance.
Arc resistance: at the moment when the switch is opened and closed, arc may occur. High-quality electrical switch contacts have good arc resistance performance, reduce the ablation of arc to contacts and prolong the service life.
Low contact resistance: help reduce heating and improve working efficiency and stability of switch.
Wear resistance: in frequent switching operation, the contact shall be subject to friction, and good wear resistance can ensure long-term reliable operation.
Oxidation and corrosion resistance: resist oxidation and corrosion in the environment and maintain good conductivity.
Thermal stability: keep the physical and chemical properties stable under the heat generated when the current passes through.
Electrical switch contacts are used in many fields, such as:
In home circuit, the contact of lighting switch and socket switch determines the on-off reliability of circuit.
In the industrial control system, the contacts of various large electrical switches guarantee the normal operation and safety control of the equipment.
In the automotive electrical system, the contacts of window lifting switch, ignition switch, etc. play a key role in the realization of vehicle functions.
In the automatic production line of the plant, high-precision electrical switch contacts accurately control the start and stop of the machine; In the smart home system, stable switch contacts provide users with convenient lighting and electrical control experience.