NL31465C - - Google Patents
Info
- Publication number
- NL31465C NL31465C NL31465DA NL31465C NL 31465 C NL31465 C NL 31465C NL 31465D A NL31465D A NL 31465DA NL 31465 C NL31465 C NL 31465C
- Authority
- NL
- Netherlands
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
- H01H83/12—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by voltage falling below a predetermined value, e.g. for no-volt protection
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2662/29A GB328560A (en) | 1929-01-25 | 1929-01-25 | Improvements in no-volt overload tripping mechanism for electrical switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL31465C true NL31465C (en:Method) |
Family
ID=9743544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL31465D NL31465C (en:Method) | 1929-01-25 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US1874797A (en:Method) |
| BE (1) | BE328560A (en:Method) |
| DE (1) | DE556665C (en:Method) |
| FR (1) | FR688840A (en:Method) |
| GB (1) | GB328560A (en:Method) |
| NL (1) | NL31465C (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2472588A (en) * | 1944-11-02 | 1949-06-07 | Gen Electric | Electric switch |
| DE1953984C3 (de) * | 1969-10-27 | 1973-01-04 | Ellenberger & Poensgen Gmbh, 8503 Altdorf | Druckknopfbetätigter Schalter |
| US3611215A (en) * | 1970-08-21 | 1971-10-05 | Westinghouse Electric Corp | Circuit breaker includng improved undervoltage trip means |
-
0
- BE BE328560D patent/BE328560A/xx unknown
- NL NL31465D patent/NL31465C/xx active
-
1929
- 1929-01-25 GB GB2662/29A patent/GB328560A/en not_active Expired
-
1930
- 1930-01-21 US US422388A patent/US1874797A/en not_active Expired - Lifetime
- 1930-01-25 FR FR688840D patent/FR688840A/fr not_active Expired
- 1930-01-25 DE DE1930556665D patent/DE556665C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR688840A (fr) | 1930-08-29 |
| DE556665C (de) | 1932-08-12 |
| GB328560A (en) | 1930-04-25 |
| US1874797A (en) | 1932-08-30 |
| BE328560A (en:Method) |