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The reasonable structure design of moving and fixed contacts makes the short circuit peak value and energy of this series of products I²t much smaller than expected.
The current flows in from the fixed contact 1, flows out from the fixed contact 2, through the moving, fixed silver contact and the moving contact. The moving contact quickly disconnects under the action of strong electric repulsion force (Holm force and Lorentz force) to improve the breaking speed.
When the short circuit large current occur in the circuit, the gas producing parts will generate other gas under the high temperature of the arc, the air pressure in the contact unit box increases rapidly, and a high-speed air flow can be formed through the air outlet of the arc extinguishing chamber, which can effectively extinguish the arc.
Risus commodo viverra maecenas accumsan lacus vel facilisis.
Risus commodo viverra maecenas accumsan lacus vel facilisis.
Risus commodo viverra maecenas accumsan lacus vel facilisis.
Risus commodo viverra maecenas accumsan lacus vel facilisis.
Risus commodo viverra maecenas accumsan lacus vel facilisis.
Risus commodo viverra maecenas accumsan lacus vel facilisis.
Risus commodo viverra maecenas accumsan lacus vel facilisis.
Risus commodo viverra maecenas accumsan lacus vel facilisis.
The reasonable structure design of the moving and fixed contacts significantly minimizes the short circuit peak value and energy (I²t) of this series of products to levels much smaller than expected.
Current flows in from fixed contact 1 and flows out from fixed contact 2 through the moving, fixed silver contact, and the moving contact. The moving contact quickly disconnects under strong electric repulsion forces to enhance the overall breaking speed.
The rapid disconnection of the moving contact is driven by strong electric repulsion forces, specifically the Holm force and the Lorentz force.
Under the high temperature of the arc during a short circuit, gas-producing parts generate gas. This rapidly increases the air pressure inside the contact unit box, forming a high-speed air flow through the arc extinguishing chamber's outlet to extinguish the arc.
Gas generation is triggered by the high temperatures produced by the arc when a large short circuit current occurs in the circuit.
ARM5 represents the specific product series model designed with these optimized contact mechanics, quick disconnection repulsion forces, and effective air blowing arc extinguishing technologies.
