China Suppliers ARW1-2000 ACB Circuit Breaker 400VAC/690VAC 2000A 3/4 Poles - Factory Direct

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Product Description

ARW1

ARW1 Highlights

  • Several components work together in an ACB. One of the main features is a blast valve. When the arcing contacts separate and the arc forms, the blast valve opens arc chutes. Pressurized air pushes through the arc, disconnecting it from the contacts.

  • The pressurized air pushes the arc towards arcing probes and rings. These are conductive elements that help to move the arc away from the contacts. As the arcing contacts get farther apart, the arcing probes and coils get closer together, allowing them to attract the arc.

  • The arc is moved into the chutes toward an arcing electrode. Eventually, the arc is pushed through the chutes and stretched until it is completely eliminated.

MCCB Production Line Real Showing

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mccb team

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mccb assembling line

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mccb automatic assembling device
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mccb automatic assembling device

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mccb molding office

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mccb moulding metal stamping office

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mccb moulding metal stamping production line
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mccb moulding metal stamping production line

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mccb moulding metal stamping warehouse
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mccb moulding metal stamping warehouse

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mccb parts processing device
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mccb parts processing device

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Frequently Asked Questions

What is the primary function of a blast valve in an ACB?

The blast valve is a critical feature that opens the arc chutes when the arcing contacts separate. It allows pressurized air to force its way through the arc, effectively disconnecting it from the contacts.

How do arcing probes and rings assist in arc elimination?

Arcing probes and rings serve as conductive elements that guide the arc away from the main contacts. As the contacts separate further, these probes and coils draw closer together to attract and capture the arc.

What happens to the electrical arc once it enters the chutes?

Once inside the chutes, the arc is directed toward an arcing electrode. The pressurized air continues to push it through the chutes, stretching the arc until it is completely extinguished.

What components work together to extinguish an arc in an ACB?

The process relies on the coordinated action of the arcing contacts, the blast valve, pressurized air, arc chutes, conductive arcing probes, rings, coils, and the arcing electrode.

Why does the separation of arcing contacts trigger the arcing probes?

As the arcing contacts move further apart, the arcing probes and coils naturally get closer together. This spatial shift allows them to magnetically and physically attract the arc away from the main contacts.

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