GB1399401A - Electric switches - Google Patents

Electric switches

Info

Publication number
GB1399401A
GB1399401A GB112372*[A GB112372A GB1399401A GB 1399401 A GB1399401 A GB 1399401A GB 112372 A GB112372 A GB 112372A GB 1399401 A GB1399401 A GB 1399401A
Authority
GB
United Kingdom
Prior art keywords
arm
lever
contacts
fulcrum
snap
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
Application number
GB112372*[A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cutler Hammer Europe Ltd
Cutler Hammer Inc
Original Assignee
Cutler Hammer Europe Ltd
Cutler Hammer Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cutler Hammer Europe Ltd, Cutler Hammer Inc filed Critical Cutler Hammer Europe Ltd
Priority to GB112372*[A priority Critical patent/GB1399401A/en
Priority to AU48203/72A priority patent/AU461408B2/en
Priority to US00302268A priority patent/US3800260A/en
Priority to JP48005827A priority patent/JPS4878473A/ja
Publication of GB1399401A publication Critical patent/GB1399401A/en
Expired legal-status Critical Current

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

Landscapes

  • Breakers (AREA)
  • Thermally Actuated Switches (AREA)
GB112372*[A 1972-01-11 1972-01-11 Electric switches Expired GB1399401A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB112372*[A GB1399401A (en) 1972-01-11 1972-01-11 Electric switches
AU48203/72A AU461408B2 (en) 1972-01-11 1972-10-26 Electric switches
US00302268A US3800260A (en) 1972-01-11 1972-10-30 Electric switches
JP48005827A JPS4878473A (US20100056889A1-20100304-C00004.png) 1972-01-11 1973-01-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB112372*[A GB1399401A (en) 1972-01-11 1972-01-11 Electric switches

Publications (1)

Publication Number Publication Date
GB1399401A true GB1399401A (en) 1975-07-02

Family

ID=9716559

Family Applications (1)

Application Number Title Priority Date Filing Date
GB112372*[A Expired GB1399401A (en) 1972-01-11 1972-01-11 Electric switches

Country Status (4)

Country Link
US (1) US3800260A (US20100056889A1-20100304-C00004.png)
JP (1) JPS4878473A (US20100056889A1-20100304-C00004.png)
AU (1) AU461408B2 (US20100056889A1-20100304-C00004.png)
GB (1) GB1399401A (US20100056889A1-20100304-C00004.png)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
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
DE2914776C2 (de) * 1979-04-11 1981-07-02 Siemens AG, 1000 Berlin und 8000 München Auslöser für ein thermisches Schutzrelais
DE2914775B1 (de) * 1979-04-11 1980-07-17 Siemens Ag Einrichtung zum Umstellen einer Umschaltkontaktanordnung
FR2536905A1 (fr) * 1982-11-25 1984-06-01 Telemecanique Electrique Relais thermique
US4520336A (en) * 1983-12-01 1985-05-28 Eaton Corporation Electrothermally actuated switch
EP0164690B1 (en) * 1984-06-06 1989-10-18 Mitsubishi Denki Kabushiki Kaisha Thermal-type overcurrent relay
US4528539A (en) * 1984-06-28 1985-07-09 Eaton Corporation Reduced-size thermal overload relay
JPH0347242Y2 (US20100056889A1-20100304-C00004.png) * 1985-03-26 1991-10-08
JPS61230228A (ja) * 1985-04-05 1986-10-14 富士電機株式会社 熱形過負荷継電器
KR900007372B1 (ko) * 1986-11-26 1990-10-08 미쓰비시뎅끼 가부시끼가이샤 열동식 과전류 계전기
US4806897A (en) * 1987-12-17 1989-02-21 Eaton Corporation Overload relay having adaptive differential mechanism
JP3438405B2 (ja) * 1995-05-17 2003-08-18 松下電器産業株式会社 スイッチ
JP4798243B2 (ja) * 2009-03-27 2011-10-19 富士電機機器制御株式会社 熱動形過負荷継電器
JP4906881B2 (ja) * 2009-03-27 2012-03-28 富士電機機器制御株式会社 熱動形過負荷継電器
JP5152102B2 (ja) * 2009-03-27 2013-02-27 富士電機機器制御株式会社 熱動形過負荷継電器
JP4978681B2 (ja) * 2009-10-23 2012-07-18 富士電機機器制御株式会社 熱動形過負荷継電器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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 (de) * 1966-11-24 1971-06-11 Francesco Fantini Dreiphasiges, elektrothermisches Relais
GB1250773A (US20100056889A1-20100304-C00004.png) * 1968-11-23 1971-10-20
US3723929A (en) * 1972-04-07 1973-03-27 Furnas Electric Co Bimetallic circuit overload protector

Also Published As

Publication number Publication date
US3800260A (en) 1974-03-26
AU461408B2 (en) 1975-05-22
AU4820372A (en) 1974-05-02
JPS4878473A (US20100056889A1-20100304-C00004.png) 1973-10-22

Similar Documents

Publication Publication Date Title
GB1399401A (en) Electric switches
US2418068A (en) Switch
US3081388A (en) Thermostatic controls
GB1472955A (en) Excess current responsive switch
GB718984A (en) Improvements in or relating to apparatus for making and breaking electric circuits
GB1431576A (en) Thermally responsive electrical device
GB760784A (en) Improvements in thermostatic electric switches
US2473901A (en) Push button operated circuit interrupter
US2340877A (en) Thermal responsive circuit controller
GB644520A (en) Improvements in or relating to snap-action electric switches
US1726233A (en) Motor-starting switch
GB745744A (en) Improvements in and connected with electric switches or circuit breakers
GB690220A (en) Improvements in or relating to snap acting mechanisms
US2421538A (en) Thermostatic switch
US2210084A (en) Thermally actuated switch
US3305650A (en) Manually operable switches such as alternating current switches suitable for domestic installations
GB805410A (en) Improvements in or relating to thermally-actuated electric switches
GB1103406A (en) Manually reset thermally-responsive, electric, cut-out device
GB784866A (en) Improvements in and relating to electric circuit breakers
GB1462691A (en) Circuit breaker
GB1083660A (en) Pressure operated electric switching mechanism
US3213243A (en) Thermal overload relay with reset means
US2519629A (en) Electric circuit breaker
US3268694A (en) Thermostatic control switches
GB1179034A (en) Electric Trip Switch

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee