Cicrcuit breaker

Cicrcuit breaker

The utility model provides a circuit breaker, and the circuit breaker can improve the arc-extinguishing performance of an arc-extinguishing apparatus and can cut off a DC high-voltage circuit. The circuit breaker is provided with a first arc-extinguishing device (4a) and a second arc-extinguishing d...

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Hauptverfasser: NIBA NOBUJIRO, TAGAWA TOSHISHIGE, KOMOTO SHIGEKI
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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creator NIBA NOBUJIRO
TAGAWA TOSHISHIGE
KOMOTO SHIGEKI
description The utility model provides a circuit breaker, and the circuit breaker can improve the arc-extinguishing performance of an arc-extinguishing apparatus and can cut off a DC high-voltage circuit. The circuit breaker is provided with a first arc-extinguishing device (4a) and a second arc-extinguishing device (4b), which are corresponding to poles. The second arc-extinguishing device (4b) is provided with a plurality of first arc-extinguishing grid sheets (43) with the same width, and a second arc-extinguishing grid sheet (45) which is disposed above the first arc-extinguishing grid sheets (43), wherein the width of the second arc-extinguishing grid sheet (45) is less than the width of the first arc-extinguishing grid sheets (43). The first arc-extinguishing grid sheets (43) are maintained through a first arc-extinguishing grid sheet support (41) and a second arc-extinguishing grid sheet support (42). The second arc-extinguishing grid sheet (45) is maintained through the second arc-extinguishing grid sheet support (42) and a third arc-extinguishing grid sheet support (43).
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The circuit breaker is provided with a first arc-extinguishing device (4a) and a second arc-extinguishing device (4b), which are corresponding to poles. The second arc-extinguishing device (4b) is provided with a plurality of first arc-extinguishing grid sheets (43) with the same width, and a second arc-extinguishing grid sheet (45) which is disposed above the first arc-extinguishing grid sheets (43), wherein the width of the second arc-extinguishing grid sheet (45) is less than the width of the first arc-extinguishing grid sheets (43). The first arc-extinguishing grid sheets (43) are maintained through a first arc-extinguishing grid sheet support (41) and a second arc-extinguishing grid sheet support (42). 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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
title Cicrcuit breaker
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