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OEM Low-Voltage Vacuum Interrupter For VCB Manufacturer – Vacuum interrupter for low voltage circuit breaker – Shone


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OEM Low-Voltage Vacuum Interrupter For VCB Manufacturer – Vacuum interrupter for low voltage circuit breaker – Shone Detail:

Brief description of the product:

Vacuum interrupter, also known as the vacuum switch tube, is the core component of the medium-high voltage power switch. The main function of vacuum interrupter is to make the medium and high voltage circuit cut off the power supply of the vacuum arc extinguishing chamber of ceramic shell through the excellent insulation of the vacuum inside the tube, which can quickly extinguish the arc and suppress the current, so as to avoid accidents and accidents.
A vacuum interrupter uses a high vacuum to extinguish the arc between a pair of contacts. As the contacts move apart, current flows through a smaller area. There is a sharp increase in resistance between the contacts, and the temperature at the contact surface increases rapidly until the occurrence of electrode-metal evaporation. At the same time, the electric field is very high across the small contact gap. The breakdown of the gap produces a vacuum arc. As the alternating current is forced to pass through zero thanks to the arc resistance, and the gap between the fixed and moving contacts widens, the conductive plasma produced by the arc moves away from the gap and becomes non-conductive. The current is interrupted.

AMF and RMF contacts have spiral (or radial) slots cut into their faces. The shape of the contacts produces magnetic forces which move the arc spot over the surface of the contacts, so the arc does not remain in one place for very long. The arc is evenly distributed over the contact surface to maintain a low arc voltage and to reduce contact erosion.
After the surfaces have been finished and cleaned by electroplating and an optical inspection of the surface consistency of all single parts has been performed , the interrupter is assembled. High-vacuum solder is applied at the joints of the components, the parts are aligned, and the interrupters are fixed. As cleanliness during assembly is especially important, all operations are done under air-conditioned clean-room conditions. In this way the manufacturer can guarantee a constantly high quality of the interrupters and maximum possible ratings up to 100 kA according to IEC/IEEE 62271-37-013.

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OEM Low-Voltage Vacuum Interrupter For VCB Manufacturer –  Vacuum interrupter for low voltage circuit breaker – Shone detail pictures


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We attempt for excellence, support the customers", hopes to become the top cooperation team and dominator enterprise for staff, suppliers and shoppers, realizes worth share and continual marketing for OEM Low-Voltage Vacuum Interrupter For VCB Manufacturer – Vacuum interrupter for low voltage circuit breaker – Shone , The product will supply to all over the world, such as: UK, Turkmenistan, Puerto Rico, Due to the stability of our items, timely supply and our sincere service, we are able to sell our merchandise not only over the domestic market, but also exported to countries and regions, including the Middle East, Asia, Europe and other countries and regions. At the same time, we also undertake OEM and ODM orders. We will do our best to serve your company, and establish a successful and friendly cooperation with you.
  • The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.
    5 Stars By Sandra from Ukraine - 2017.04.08 14:55
    The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.
    5 Stars By Lydia from Croatia - 2017.12.31 14:53
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