Arm insulation sleeve and vacuum circuit breaker

The utility model discloses an arm insulation sleeve (100) and a vacuum circuit breaker, wherein the arm insulation sleeve (100) comprises a cylindrical terminal post side sleeve part (101), a cylindrical middle part (102) and a cylindrical arm side sleeve part (103), wherein the internal diameter o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	XIONG JIAQI, KOU LIFANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES GENERATION RELAYS SELECTORS
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Beschreibung
Zusammenfassung:	The utility model discloses an arm insulation sleeve (100) and a vacuum circuit breaker, wherein the arm insulation sleeve (100) comprises a cylindrical terminal post side sleeve part (101), a cylindrical middle part (102) and a cylindrical arm side sleeve part (103), wherein the internal diameter of the arm side sleeve part is larger than that of the middle part, so as to cover at least one part of the contact of the vacuum circuit breaker. By adopting the arm insulation sleeve, the insulation structure of the arm can be improved; and even if the arm is in matching utilization with a small-scale contact box, the large-scale discharging can be prevented.