JPS543241A - Enclosed switchboard - Google Patents

Enclosed switchboard

Info

Publication number
JPS543241A
JPS543241A JP6816377A JP6816377A JPS543241A JP S543241 A JPS543241 A JP S543241A JP 6816377 A JP6816377 A JP 6816377A JP 6816377 A JP6816377 A JP 6816377A JP S543241 A JPS543241 A JP S543241A
Authority
JP
Japan
Prior art keywords
enclosed switchboard
switchboard
communicating
chamber
safety
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6816377A
Other languages
Japanese (ja)
Inventor
Satoru Nakada
Mikio Watanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Electric Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Electric Manufacturing Co Ltd
Priority to JP6816377A priority Critical patent/JPS543241A/en
Publication of JPS543241A publication Critical patent/JPS543241A/en
Pending legal-status Critical Current

Links

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Abstract

PURPOSE: To improve the safety for the internal pressure rise by setting up an air release pressure reduction chamber at part of a switchboard and communicating it to an equipment chamber through a communicating port with a pressure sensitive valve.
COPYRIGHT: (C)1979,JPO&Japio
JP6816377A 1977-06-08 1977-06-08 Enclosed switchboard Pending JPS543241A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6816377A JPS543241A (en) 1977-06-08 1977-06-08 Enclosed switchboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6816377A JPS543241A (en) 1977-06-08 1977-06-08 Enclosed switchboard

Publications (1)

Publication Number Publication Date
JPS543241A true JPS543241A (en) 1979-01-11

Family

ID=13365809

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6816377A Pending JPS543241A (en) 1977-06-08 1977-06-08 Enclosed switchboard

Country Status (1)

Country Link
JP (1) JPS543241A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5831706U (en) * 1981-08-21 1983-03-02 富士電機株式会社 Closed switchboard busbar chamber pressure air release device
JPH0340701A (en) * 1989-07-04 1991-02-21 Mitsubishi Electric Corp Switchgear provided with bursting mechanism
EP0853811A1 (en) * 1995-10-03 1998-07-22 ABB POWER T & D COMPANY INC. Arc-resistant switchgear enclosure
JPH10322811A (en) * 1997-05-19 1998-12-04 Toshiba Corp Metal sealed switchgear
WO2008136112A1 (en) * 2007-04-26 2008-11-13 Mitsubishi Electric Corporation Switchgear with metal enclosure
CN101931179A (en) * 2010-08-12 2010-12-29 河南省电力公司驻马店供电公司 Directional explosion-proof pressure-relieving device for middle-placed cabinet
WO2023100382A1 (en) * 2021-11-30 2023-06-08 三菱電機株式会社 Storage box and opening/closing device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5831706U (en) * 1981-08-21 1983-03-02 富士電機株式会社 Closed switchboard busbar chamber pressure air release device
JPH0340701A (en) * 1989-07-04 1991-02-21 Mitsubishi Electric Corp Switchgear provided with bursting mechanism
JPH0777481B2 (en) * 1989-07-04 1995-08-16 三菱電機株式会社 Switchgear with pressure relief mechanism
EP0853811A1 (en) * 1995-10-03 1998-07-22 ABB POWER T & D COMPANY INC. Arc-resistant switchgear enclosure
EP0853811A4 (en) * 1995-10-03 1998-08-05
US5892195A (en) * 1995-10-03 1999-04-06 Abb Power T&D Company, Inc. Arc-resistant switchgear enclosure with arcing chamber venting structure
JPH10322811A (en) * 1997-05-19 1998-12-04 Toshiba Corp Metal sealed switchgear
WO2008136112A1 (en) * 2007-04-26 2008-11-13 Mitsubishi Electric Corporation Switchgear with metal enclosure
JPWO2008136112A1 (en) * 2007-04-26 2010-07-29 三菱電機株式会社 Metal closed switchgear
JP4988833B2 (en) * 2007-04-26 2012-08-01 三菱電機株式会社 Metal closed switchgear
CN101931179A (en) * 2010-08-12 2010-12-29 河南省电力公司驻马店供电公司 Directional explosion-proof pressure-relieving device for middle-placed cabinet
WO2023100382A1 (en) * 2021-11-30 2023-06-08 三菱電機株式会社 Storage box and opening/closing device

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