BE442345A - - Google Patents
Info
- Publication number
- BE442345A BE442345A BE442345DA BE442345A BE 442345 A BE442345 A BE 442345A BE 442345D A BE442345D A BE 442345DA BE 442345 A BE442345 A BE 442345A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/002—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE219777X | 1940-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442345A true BE442345A (en:Method) |
Family
ID=5832063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442345D BE442345A (en:Method) | 1940-08-02 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE442345A (en:Method) |
| CH (1) | CH219777A (en:Method) |
| NL (1) | NL56813C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4238767A1 (de) * | 1992-11-12 | 1994-05-19 | Siemens Ag | Vakuumrelais |
-
0
- BE BE442345D patent/BE442345A/xx unknown
- NL NL56813D patent/NL56813C/xx active
-
1941
- 1941-08-13 CH CH219777D patent/CH219777A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH219777A (de) | 1942-02-28 |
| NL56813C (en:Method) |