JPH01159331U - - Google Patents
Info
- Publication number
- JPH01159331U JPH01159331U JP5720988U JP5720988U JPH01159331U JP H01159331 U JPH01159331 U JP H01159331U JP 5720988 U JP5720988 U JP 5720988U JP 5720988 U JP5720988 U JP 5720988U JP H01159331 U JPH01159331 U JP H01159331U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- arc
- dustproof cover
- arc gas
- exhaust hole
- 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
Links
- 239000000428 dust Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/342—Venting arrangements for arc chutes
- H01H2009/343—Venting arrangements for arc chutes with variable venting aperture function of arc chute internal pressure, e.g. resilient flap-valve or check-valve
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Breakers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5720988U JPH01159331U (un) | 1988-04-25 | 1988-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5720988U JPH01159331U (un) | 1988-04-25 | 1988-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01159331U true JPH01159331U (un) | 1989-11-06 |
Family
ID=31283066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5720988U Pending JPH01159331U (un) | 1988-04-25 | 1988-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01159331U (un) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002352691A (ja) * | 2001-05-28 | 2002-12-06 | Fuji Electric Co Ltd | 回路しゃ断器の防塵構造 |
-
1988
- 1988-04-25 JP JP5720988U patent/JPH01159331U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002352691A (ja) * | 2001-05-28 | 2002-12-06 | Fuji Electric Co Ltd | 回路しゃ断器の防塵構造 |
| JP4524534B2 (ja) * | 2001-05-28 | 2010-08-18 | 富士電機機器制御株式会社 | 回路しゃ断器の防塵構造 |