KNIPEX electrical components Germany KNIPEX models KNIPEX prices

KNIPEX electrical components are current fuses that provide overload protection. When a circuit fault or abnormality occurs, the current continues to rise. This rising current may damage certain important components in the circuit, burn out the circuit, or even cause a fire. If a fuse is correctly installed in the circuit, it will melt and cut off the current when the current abnormally rises to a certain level and temperature, thereby protecting the safe operation of the circuit. With the fuse correctly installed in the circuit, the fuse will melt and cut off the current when the current abnormally rises to a certain level and temperature, protecting the safe operation of the circuit. The fuse invented by Edison was used to protect the then-expensive incandescent lamps. With the development of the times, fuses protect power equipment from damage caused by overcurrent and overheating, avoiding serious damage to electronic equipment caused by internal faults.

KNIPEX electrical component classification

Cables include power cables, control cables, compensation cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, and more. They are all composed of single-strand or multi-strand conductors and insulation layers, used to connect circuits, electrical appliances, etc. Cables can be divided into DC cables and AC cables according to the photovoltaic power station system, and are classified into DC cables and AC cables based on application and operating environment.

KNIPEX electrical component structure

The simplest switch has two pieces of metal called "contacts." When the two contacts touch, they complete the current circuit; when they do not touch, the current circuit is open. When selecting contact metals, their resistance to corrosion must be considered, because most metals form insulating oxides after oxidation, preventing the contacts from working properly. Selection of contact metals also requires consideration of factors such as electrical conductivity, hardness, mechanical strength, cost, and toxicity. Sometimes anti-corrosion metals are plated onto the contacts. Plating is generally applied to the contact surfaces to avoid performance degradation due to oxides. Sometimes non-metallic conductive materials, such as conductive plastics, are used for the contact surfaces. In addition to contacts, switches have movable parts that make the contacts conductive or non-conductive. Switches can be classified into toggle switches, push-button switches, rocker switches, etc., based on the different movable parts, and the movable parts can also be other types of mechanical linkages.

KNIPEX electrical component principle

A DC power supply has two electrodes: positive and negative. The positive electrode has a higher potential, and the negative electrode has a lower potential. When the two electrodes are connected to the circuit, they maintain a constant potential difference between the two ends of the circuit, thereby forming a current from the positive electrode to the negative electrode in the external circuit. Relying solely on the difference in water levels cannot maintain a steady water flow, but using a water pump to continuously send water from a low place to a high place can maintain a certain water level difference and form a steady water flow. Similarly, relying solely on the electrostatic field generated by electric charges cannot maintain a steady current. With the help of a DC power supply, non-electrostatic forces (referred to as "non-electrostatic force") can be used to return positive charges from the negative electrode with lower potential through the interior of the power supply to the positive electrode with higher potential, thereby maintaining the potential difference between the two electrodes and forming a steady current. Therefore, a DC power supply is an energy conversion device that converts other forms of energy into electrical energy to supply the circuit, maintaining the steady flow of current.

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