BE521499A - - Google Patents
Info
- Publication number
- BE521499A BE521499A BE521499DA BE521499A BE 521499 A BE521499 A BE 521499A BE 521499D A BE521499D A BE 521499DA BE 521499 A BE521499 A BE 521499A
- Authority
- BE
- Belgium
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
- H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
- H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
- H01H83/223—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages with bimetal elements
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1003331X | 1952-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE521499A true BE521499A (no) |
Family
ID=9562908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE521499D BE521499A (no) | 1952-07-18 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2713623A (no) |
| BE (1) | BE521499A (no) |
| DE (1) | DE1003331B (no) |
| FR (1) | FR1060403A (no) |
| GB (1) | GB740282A (no) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2866035A (en) * | 1955-02-17 | 1958-12-23 | C T Electrical Controls Ltd | Thermally operated electric switching mechanisms |
| BE549732A (no) * | 1955-07-21 | |||
| DE1014636B (de) * | 1955-11-26 | 1957-08-29 | Voigt & Haeffner Ag | Anordnung fuer Schalter und Relais in Mehrphasen-Wechselstromkreisen zur Betaetigung einer Ausloesevorrichtung |
| US2964602A (en) * | 1956-04-02 | 1960-12-13 | Joe Davidson | Snap acting mechanism |
| NL104154C (no) * | 1957-05-03 | |||
| DE1051952B (de) * | 1957-08-06 | 1959-03-05 | Siemens Ag | Getriebe fuer Bimetallueberstromausloeser |
| US3265831A (en) * | 1962-06-21 | 1966-08-09 | Westinghouse Electric Corp | Thermally responsive electrical control device |
| US3743992A (en) * | 1972-08-04 | 1973-07-03 | Westinghouse Electric Corp | Thermally responsive electrical control device for polyphase currents |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1652527A (en) * | 1924-11-08 | 1927-12-13 | Westinghouse Electric & Mfg Co | Protective device |
| US2177775A (en) * | 1936-07-25 | 1939-10-31 | Square D Co | Circuit breaker |
| GB624957A (en) * | 1947-07-17 | 1949-06-20 | British Thomson Houston Co Ltd | Improvements in and relating to current sensitive devices for the protection of polyphase circuits |
| BE488162A (no) * | 1948-05-04 |
-
0
- BE BE521499D patent/BE521499A/xx unknown
-
1952
- 1952-07-18 FR FR1060403D patent/FR1060403A/fr not_active Expired
-
1953
- 1953-07-01 GB GB18273/53A patent/GB740282A/en not_active Expired
- 1953-07-13 US US367657A patent/US2713623A/en not_active Expired - Lifetime
- 1953-07-16 DE DET8115A patent/DE1003331B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB740282A (en) | 1955-11-09 |
| DE1003331B (de) | 1957-02-28 |
| FR1060403A (fr) | 1954-04-01 |
| US2713623A (en) | 1955-07-19 |