JPS4878473A - - Google Patents

Info

Publication number
JPS4878473A
JPS4878473A JP48005827A JP582773A JPS4878473A JP S4878473 A JPS4878473 A JP S4878473A JP 48005827 A JP48005827 A JP 48005827A JP 582773 A JP582773 A JP 582773A JP S4878473 A JPS4878473 A JP S4878473A
Authority
JP
Japan
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.)
Pending
Application number
JP48005827A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4878473A publication Critical patent/JPS4878473A/ja
Pending 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
JP48005827A 1972-01-11 1973-01-10 Pending JPS4878473A (en)

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
JPS4878473A true JPS4878473A (en) 1973-10-22

Family

ID=9716559

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48005827A Pending JPS4878473A (en) 1972-01-11 1973-01-10

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)

* 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
DE2914775B1 (en) * 1979-04-11 1980-07-17 Siemens Ag Device for changing over a changeover contact arrangement
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
JP4798243B2 (en) * 2009-03-27 2011-10-19 富士電機機器制御株式会社 Thermal overload relay
JP4906881B2 (en) * 2009-03-27 2012-03-28 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)

* 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 (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

Also Published As

Publication number Publication date
AU4820372A (en) 1974-05-02
AU461408B2 (en) 1975-05-22
US3800260A (en) 1974-03-26
GB1399401A (en) 1975-07-02

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