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Our company:Yueqing Aceurate Electrical Appliance And Equipment Factory Zhejiang Province. Have developed this new production: Vacuum Circuit-Breaker. And has got through the ISO9001 and other development's testing.

When the vacuum circuit-breaker open circuit in normal time, the arc-electric is very weak, the color is blue. If the arc-electric's color turn to the yellowish-orange greatly, indicates the arc-extinction chamber to be unusual, when the glass case's vacuum degree drops down, In the scene we usually use the exchange compression to take the test examination, according to rating pressure resistance stable for 1 minute, if the non arc-over phenomenon, thought that the circuit breaker is qualified.

In the explosion chamber screening can uses for absorbs in the circuit breaker the contact to separate when to burn in the arc process the metal vapor and the charged particle, sped up in the arc- electric the charged particle proliferation the condensation to extinguish on the screening can. Prevents the charged particle returns to cause the reignition, thus increased has opened breaks ability; Simultaneously improved in the explosion chamber the electric field distribution, enhanced the performance which in the explosion chamber insulates.

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