GB385937A - Thermally acting three-phase releasing device for excess current switches - Google Patents

Thermally acting three-phase releasing device for excess current switches

Info

Publication number
GB385937A
GB385937A GB963531A GB963531A GB385937A GB 385937 A GB385937 A GB 385937A GB 963531 A GB963531 A GB 963531A GB 963531 A GB963531 A GB 963531A GB 385937 A GB385937 A GB 385937A
Authority
GB
United Kingdom
Prior art keywords
members
contact
another modification
strip
equal
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
GB963531A
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.)
Schiele & Bruchsaler Ind
Original Assignee
Schiele & Bruchsaler Ind
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 Schiele & Bruchsaler Ind filed Critical Schiele & Bruchsaler Ind
Publication of GB385937A publication Critical patent/GB385937A/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
    • 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

Landscapes

  • Thermally Actuated Switches (AREA)
GB963531A 1930-04-01 1931-03-30 Thermally acting three-phase releasing device for excess current switches Expired GB385937A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE519464T 1930-04-01

Publications (1)

Publication Number Publication Date
GB385937A true GB385937A (en) 1933-01-05

Family

ID=34085409

Family Applications (1)

Application Number Title Priority Date Filing Date
GB963531A Expired GB385937A (en) 1930-04-01 1931-03-30 Thermally acting three-phase releasing device for excess current switches

Country Status (4)

Country Link
DE (1) DE519464C (enrdf_load_stackoverflow)
FR (1) FR714047A (enrdf_load_stackoverflow)
GB (1) GB385937A (enrdf_load_stackoverflow)
NL (1) NL32695C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1709661B1 (de) * 2004-01-30 2010-05-19 Siemens Aktiengesellschaft Schutzschaltvorrichtung mit differenzstromauslöser

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744477C (de) * 1933-05-26 1944-01-17 Schiele Industriewerke Inhaber Mehrpolige UEberstromausloeseeinrichtung
DE755789C (de) * 1937-08-20 1954-04-05 Schiele Industriewerke Inhaber Thermische Ausloesevorrichtung fuer Schalter in Mehrphasenwechselstromkreisen
DE877792C (de) * 1944-08-10 1953-05-26 Walther Dr Thoma Schutzschalter fuer mehrphasige Stromverbraucher mit erweiterten Schutzeigenschaften
GB818561A (en) * 1955-01-18 1959-08-19 Dewhurst & Partner Ltd Improvements in or relating to devices for affording protection to electric circuits

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1709661B1 (de) * 2004-01-30 2010-05-19 Siemens Aktiengesellschaft Schutzschaltvorrichtung mit differenzstromauslöser

Also Published As

Publication number Publication date
FR714047A (fr) 1931-11-06
NL32695C (enrdf_load_stackoverflow)
DE519464C (de) 1931-02-28

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