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Strap touch finger advantage


Release time:

2022-05-23

MultiLAM technology, also known as strap contact technology, is to establish a parallel contact point between the two contact surfaces and provide a certain contact force to break the pollution layer and achieve an effective electrical connection. Each contact piece forms an independent elastic load ring. By connecting several rings in parallel, the contact resistance between conductors can be greatly reduced. According to the given contact force, geometry, elastic characteristics and the characteristics of the surface material of each strip, the contact resistance can be accurately calculated.

Strap touch finger advantage

  Strap Touch Finger Technology

MultiLAM technology, also known as strap contact technology, is to establish a parallel contact point between the two contact surfaces and provide a certain contact force to break the pollution layer and achieve an effective electrical connection. Each contact piece forms an independent elastic load ring. By connecting several rings in parallel, the contact resistance between conductors can be greatly reduced. According to the given contact force, geometry, elastic characteristics and the characteristics of the surface material of each strip, the contact resistance can be accurately calculated.

表带触指

The multilayer contact resistance r1 is equivalent to the resistance of the parallel contact pieces. The geometry of each contact plate is designed to extend service life. The elastic pressure of the page is constant, so that the connection between the contact interface remains stable, so as to achieve a constant low resistance.

Strap touch finger advantage

Since the early 1960 s, watchband touch technology has been successfully applied for more than half a century. It has become a good choice for high-demand applications: it can operate safely in environments with strict temperature, vibration and shock requirements; it has high current, which is very suitable for high-voltage switching and high-load requirements; it has a large number of plug-ins, which can fully meet the switch life Test requirements. Compared with the spring finger, the advantages of the band finger are mainly concentrated in the small slot size, low contact resistance and high stability.

The trend of strap touch technology

Miniaturization design is the trend of the future economic development of GIS, and the watchband touch finger technology is also adapting to the environmental changes of the society and developing in the direction of compact. The watchband touch finger adopts an innovative two-component structure, has a good rated current and short-term tolerance, has a small installation space, and realizes a compact connection with high power density, which can reduce the total ownership of enterprise equipment through an effective method. production cost. The strap touch finger can be customized according to the data of various sizes of high-voltage electrical appliances at the same time to meet the diversified needs of the company's customers for the optimal design of the product market structure.

Watchband contact finger is a commonly used electrical connector, which is widely used in electrical products such as combined electrical appliances, circuit breakers, transformers, switch cabinets, gas-insulated busbars, etc. The strap contact finger is a very small heating power, small contact resistance and stable and uniform contact force, which can ensure a good electrical connection, thereby bringing more and more long-term benefits to the power system.


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