Arc-suppressing apparatus for plastic-shell breaker

Arc-suppressing apparatus for plastic-shell breaker

The utility model relates to the arc-suppressing apparatus of a low-voltage breaker. In order to improve the arc-suppressing performance of the arc-extinguishing apparatus, a fire damper is additionally installed on the top of the internal grating sheets of an air-suppressing chamber which a breaker...

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Hauptverfasser: ZHAO SENGUI, FENG JIFENG, YAO DONG
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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creator ZHAO SENGUI
FENG JIFENG
YAO DONG
description The utility model relates to the arc-suppressing apparatus of a low-voltage breaker. In order to improve the arc-suppressing performance of the arc-extinguishing apparatus, a fire damper is additionally installed on the top of the internal grating sheets of an air-suppressing chamber which a breaker originally has. The fire damper is made of magnetic material thin plate blocks. A plurality of thin plates are punched. The diameters of holes and the distance of the holes are made in a certain dimension. Plate blocks are folded in a certain interval. The structure and installation of a plate type can be in a long direction, or a transverse direction or an interlaced direction due to the breeds and the sizes of breakers and various types of arc-suppressing chambers. The arc-suppressing apparatus is additionally provided with the fire damper, which quickens the suppressing of electric arc and prevents the electric arc from reburning.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
title Arc-suppressing apparatus for plastic-shell breaker
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