GB328560A - Improvements in no-volt overload tripping mechanism for electrical switches - Google Patents
Improvements in no-volt overload tripping mechanism for electrical switchesInfo
- Publication number
- GB328560A GB328560A GB2662/29A GB266229A GB328560A GB 328560 A GB328560 A GB 328560A GB 2662/29 A GB2662/29 A GB 2662/29A GB 266229 A GB266229 A GB 266229A GB 328560 A GB328560 A GB 328560A
- Authority
- GB
- United Kingdom
- Prior art keywords
- volt
- tripping mechanism
- electrical switches
- overload tripping
- overload
- 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.)
- Expired
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
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL31465D NL31465C (en) | 1929-01-25 | ||
BE328560D BE328560A (en) | 1929-01-25 | ||
GB2662/29A GB328560A (en) | 1929-01-25 | 1929-01-25 | Improvements in no-volt overload tripping mechanism for electrical switches |
US422388A US1874797A (en) | 1929-01-25 | 1930-01-21 | No-volt tripping mechanism for electrical switches |
FR688840D FR688840A (en) | 1929-01-25 | 1930-01-25 | Improvements to mechanisms triggered under the effect of a lack of voltage or an overload, for electrical switches |
DE1930556665D DE556665C (en) | 1929-01-25 | 1930-01-25 | Zero voltage release for an automatic switch |
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 |
---|---|
GB328560A true GB328560A (en) | 1930-04-25 |
Family
ID=9743544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2662/29A Expired GB328560A (en) | 1929-01-25 | 1929-01-25 | Improvements in no-volt overload tripping mechanism for electrical switches |
Country Status (6)
Country | Link |
---|---|
US (1) | US1874797A (en) |
BE (1) | BE328560A (en) |
DE (1) | DE556665C (en) |
FR (1) | FR688840A (en) |
GB (1) | GB328560A (en) |
NL (1) | NL31465C (en) |
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 (en) * | 1969-10-27 | 1973-01-04 | Ellenberger & Poensgen Gmbh, 8503 Altdorf | Push button operated switch |
US3611215A (en) * | 1970-08-21 | 1971-10-05 | Westinghouse Electric Corp | Circuit breaker includng improved undervoltage trip means |
-
0
- NL NL31465D patent/NL31465C/xx active
- BE BE328560D patent/BE328560A/xx unknown
-
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/en not_active Expired
- 1930-01-25 DE DE1930556665D patent/DE556665C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR688840A (en) | 1930-08-29 |
DE556665C (en) | 1932-08-12 |
US1874797A (en) | 1932-08-30 |
NL31465C (en) | |
BE328560A (en) |
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