JPS4989863A - - Google Patents
Info
- Publication number
- JPS4989863A JPS4989863A JP303473A JP303473A JPS4989863A JP S4989863 A JPS4989863 A JP S4989863A JP 303473 A JP303473 A JP 303473A JP 303473 A JP303473 A JP 303473A JP S4989863 A JPS4989863 A JP S4989863A
- Authority
- JP
- Japan
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
- H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
Landscapes
- Breakers (AREA)
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP303473A JPS4989863A (enExample) | 1972-12-29 | 1972-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP303473A JPS4989863A (enExample) | 1972-12-29 | 1972-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4989863A true JPS4989863A (enExample) | 1974-08-28 |
Family
ID=11546017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP303473A Pending JPS4989863A (enExample) | 1972-12-29 | 1972-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4989863A (enExample) |
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1972
- 1972-12-29 JP JP303473A patent/JPS4989863A/ja active Pending