FR970308A - Disjoncteur - Google Patents

Disjoncteur

Info

Publication number
FR970308A
FR970308A FR970308DA FR970308A FR 970308 A FR970308 A FR 970308A FR 970308D A FR970308D A FR 970308DA FR 970308 A FR970308 A FR 970308A
Authority
FR
France
Prior art keywords
circuit breaker
breaker
circuit
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
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.)
JA Crabtree and Co Ltd
Original Assignee
JA Crabtree and Co Ltd
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 JA Crabtree and Co Ltd filed Critical JA Crabtree and Co Ltd
Application granted granted Critical
Publication of FR970308A publication Critical patent/FR970308A/fr
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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • H01H71/162—Electrothermal mechanisms with bimetal element with compensation for ambient temperature
FR970308D 1947-08-14 1948-08-11 Disjoncteur Expired FR970308A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22582/47A GB624598A (en) 1947-08-14 1947-08-14 Improvements in trip mechanism of automatic circuit breakers and similar electrical switchgear

Publications (1)

Publication Number Publication Date
FR970308A true FR970308A (fr) 1951-01-03

Family

ID=10181750

Family Applications (1)

Application Number Title Priority Date Filing Date
FR970308D Expired FR970308A (fr) 1947-08-14 1948-08-11 Disjoncteur

Country Status (5)

Country Link
US (2) US2523897A (fr)
BE (1) BE484373A (fr)
DE (1) DE896677C (fr)
FR (1) FR970308A (fr)
GB (1) GB624598A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB674085A (en) * 1949-07-21 1952-06-18 Crabtree & Co Ltd J A Improvements in and connected with thermal overload release devices for electric contactors or automatic circuit breakers
US2872548A (en) * 1955-12-01 1959-02-03 Fed Pacific Electric Co Motor starters
US2851556A (en) * 1956-01-09 1958-09-09 Square D Co Ambient temperature compensated relay
US3235683A (en) * 1961-04-12 1966-02-15 Beeman Lyle Air compressor control mechanism
GB1182811A (en) * 1966-03-23 1970-03-04 Matsushita Electric Ind Co Ltd Toasting Period Control Devices for Automatic Toasters.
US4891621A (en) * 1989-02-21 1990-01-02 Eaton Corporation Ambient compensator for thermal overload relay

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE499445C (de) * 1930-06-06 Voigt & Haeffner Akt Ges Anordnung fuer kleine Installationsoelschalter mit Isoliereinsatz als Traeger der Kontakt- und Betaetigungsteile
DE568250C (de) * 1926-06-09 1933-01-16 Aeg Vorrichtung zum Schutze von elektrischen Einrichtungen
US2155233A (en) * 1932-01-25 1939-04-18 Milwaukee Gas Specialty Co Control system
US2029980A (en) * 1933-05-26 1936-02-04 Besag Ernst Releasing arrangement for electric switches
GB440413A (en) * 1933-06-21 1935-12-23 Schiele & Bruchsaler Ind Werke Improvements in or relating to thermally operated release devices for automatic electric switches
GB436589A (en) * 1934-04-05 1935-10-07 John Ashworth Crabtree Improvements relating to the overload release arrangements of automatic switches or circuit breakers
US2171273A (en) * 1936-12-24 1939-08-29 Honeywell Regulator Co Adjustable thermostatic switch
AT155942B (de) * 1937-03-01 1939-04-11 Schiele Industriewerke Mehrpoliger Selbstschalter.
US2295463A (en) * 1940-08-03 1942-09-08 Micro Switch Corp Thermostat
GB543189A (en) * 1940-08-12 1942-02-13 Crabtree & Co Ltd J A Improvements in and connected with contact mechanism for automatic circuit breakers and similar electrical switchgear

Also Published As

Publication number Publication date
BE484373A (fr)
DE896677C (de) 1953-11-16
US2523897A (en) 1950-09-26
US2606062A (en) 1952-08-05
GB624598A (en) 1949-06-13

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