AU461408B2 - Electric switches - Google Patents
Electric switchesInfo
- Publication number
- AU461408B2 AU461408B2 AU48203/72A AU4820372A AU461408B2 AU 461408 B2 AU461408 B2 AU 461408B2 AU 48203/72 A AU48203/72 A AU 48203/72A AU 4820372 A AU4820372 A AU 4820372A AU 461408 B2 AU461408 B2 AU 461408B2
- Authority
- AU
- Australia
- Prior art keywords
- electric switches
- switches
- electric
- 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
- H01H83/20—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
-
- 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
- H01H71/10—Operating or release mechanisms
-
- 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
- H01H71/10—Operating or release mechanisms
- H01H2071/109—Operating or release mechanisms with provisions for selecting between automatic or manual reset
-
- 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
- H01H71/10—Operating or release mechanisms
- H01H71/1054—Means for avoiding unauthorised release
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB1123/72 | 1972-01-11 | ||
GB112372*[A GB1399401A (en) | 1972-01-11 | 1972-01-11 | Electric switches |
Publications (2)
Publication Number | Publication Date |
---|---|
AU4820372A AU4820372A (en) | 1974-05-02 |
AU461408B2 true AU461408B2 (en) | 1975-05-22 |
Family
ID=9716559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU48203/72A Expired AU461408B2 (en) | 1972-01-11 | 1972-10-26 | Electric switches |
Country Status (4)
Country | Link |
---|---|
US (1) | US3800260A (en) |
JP (1) | JPS4878473A (en) |
AU (1) | AU461408B2 (en) |
GB (1) | GB1399401A (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3866156A (en) * | 1973-12-26 | 1975-02-11 | Bernard Dimarco | Overload relay indicating means |
GB1595046A (en) * | 1978-04-25 | 1981-08-05 | Sprecher & Schuh Ag | Bimetallic thermo-release |
DE7910663U1 (en) * | 1979-04-11 | 1983-12-08 | Siemens AG, 1000 Berlin und 8000 München | Protection relay |
DE2914776C2 (en) * | 1979-04-11 | 1981-07-02 | Siemens AG, 1000 Berlin und 8000 München | Trigger for a thermal protection relay |
FR2536905A1 (en) * | 1982-11-25 | 1984-06-01 | Telemecanique Electrique | THERMAL RELAY |
US4520336A (en) * | 1983-12-01 | 1985-05-28 | Eaton Corporation | Electrothermally actuated switch |
DE3573862D1 (en) * | 1984-06-06 | 1989-11-23 | Mitsubishi Electric Corp | Thermal-type overcurrent relay |
US4528539A (en) * | 1984-06-28 | 1985-07-09 | Eaton Corporation | Reduced-size thermal overload relay |
JPH0347242Y2 (en) * | 1985-03-26 | 1991-10-08 | ||
JPS61230228A (en) * | 1985-04-05 | 1986-10-14 | 富士電機株式会社 | Thermal type overload relay |
KR900007372B1 (en) * | 1986-11-26 | 1990-10-08 | 미쓰비시뎅끼 가부시끼가이샤 | Thermal over current protective relay |
US4806897A (en) * | 1987-12-17 | 1989-02-21 | Eaton Corporation | Overload relay having adaptive differential mechanism |
JP3438405B2 (en) * | 1995-05-17 | 2003-08-18 | 松下電器産業株式会社 | switch |
JP4906881B2 (en) * | 2009-03-27 | 2012-03-28 | 富士電機機器制御株式会社 | Thermal overload relay |
JP4798243B2 (en) * | 2009-03-27 | 2011-10-19 | 富士電機機器制御株式会社 | Thermal overload relay |
JP5152102B2 (en) * | 2009-03-27 | 2013-02-27 | 富士電機機器制御株式会社 | Thermal overload relay |
JP4978681B2 (en) * | 2009-10-23 | 2012-07-18 | 富士電機機器制御株式会社 | Thermal overload relay |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2749407A (en) * | 1953-10-15 | 1956-06-05 | Electrical Apparatus Co Ltd | Single phasing preventor |
US2872548A (en) * | 1955-12-01 | 1959-02-03 | Fed Pacific Electric Co | Motor starters |
US3038051A (en) * | 1959-08-07 | 1962-06-05 | Gen Electric Canada | Thermal device |
US3183328A (en) * | 1963-04-08 | 1965-05-11 | Gen Electric | Electric switch with contact weld check means |
AT290654B (en) * | 1966-11-24 | 1971-06-11 | Francesco Fantini | Three-phase, electrothermal relay |
GB1250773A (en) * | 1968-11-23 | 1971-10-20 | ||
US3723929A (en) * | 1972-04-07 | 1973-03-27 | Furnas Electric Co | Bimetallic circuit overload protector |
-
1972
- 1972-01-11 GB GB112372*[A patent/GB1399401A/en not_active Expired
- 1972-10-26 AU AU48203/72A patent/AU461408B2/en not_active Expired
- 1972-10-30 US US00302268A patent/US3800260A/en not_active Expired - Lifetime
-
1973
- 1973-01-10 JP JP48005827A patent/JPS4878473A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS4878473A (en) | 1973-10-22 |
US3800260A (en) | 1974-03-26 |
AU4820372A (en) | 1974-05-02 |
GB1399401A (en) | 1975-07-02 |
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