GB553862A - An improved fusible protective device for use in electric switches of small dimensions - Google Patents

An improved fusible protective device for use in electric switches of small dimensions

Info

Publication number
GB553862A
GB553862A GB15257/40A GB1525740A GB553862A GB 553862 A GB553862 A GB 553862A GB 15257/40 A GB15257/40 A GB 15257/40A GB 1525740 A GB1525740 A GB 1525740A GB 553862 A GB553862 A GB 553862A
Authority
GB
United Kingdom
Prior art keywords
switch
metal
bush
pin
thermal
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
GB15257/40A
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
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 Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of GB553862A publication Critical patent/GB553862A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/002—Thermally-actuated switches combined with protective means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/46—Thermally-sensitive members actuated due to expansion or contraction of a solid
    • H01H37/48—Thermally-sensitive members actuated due to expansion or contraction of a solid with extensible rigid rods or tubes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Fuses (AREA)
GB15257/40A 1939-10-19 1940-10-14 An improved fusible protective device for use in electric switches of small dimensions Expired GB553862A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH866745X 1939-10-19

Publications (1)

Publication Number Publication Date
GB553862A true GB553862A (en) 1943-06-09

Family

ID=4543712

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15257/40A Expired GB553862A (en) 1939-10-19 1940-10-14 An improved fusible protective device for use in electric switches of small dimensions

Country Status (6)

Country Link
BE (1) BE478930A (OSRAM)
CH (2) CH212514A (OSRAM)
DE (1) DE756983C (OSRAM)
FR (1) FR866745A (OSRAM)
GB (1) GB553862A (OSRAM)
NL (1) NL56224C (OSRAM)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE417701C (de) * 1924-08-30 1925-08-15 Calor Elek Zitaetsgesellschaft Schutzvorrichtung fuer elektrische Stromverbraucher gegen unzulaessige Erwaermung
US1974257A (en) * 1931-12-01 1934-09-18 Siemens Ag Fuse cartridge
AT152490B (de) * 1936-02-05 1938-02-10 Eustach Zahradnik Wiedereinschaltbarer Überstromselbstschalter.

Also Published As

Publication number Publication date
CH212514A (de) 1940-11-30
CH215599A (de) 1941-06-30
FR866745A (fr) 1941-08-30
DE756983C (de) 1951-05-17
BE478930A (OSRAM)
NL56224C (OSRAM)

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