AT259671B - Holding magnet as a trigger for electrical devices - Google Patents

Holding magnet as a trigger for electrical devices

Info

Publication number
AT259671B
AT259671B AT375964A AT375964A AT259671B AT 259671 B AT259671 B AT 259671B AT 375964 A AT375964 A AT 375964A AT 375964 A AT375964 A AT 375964A AT 259671 B AT259671 B AT 259671B
Authority
AT
Austria
Prior art keywords
trigger
electrical devices
holding magnet
magnet
holding
Prior art date
Application number
AT375964A
Other languages
German (de)
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of AT259671B publication Critical patent/AT259671B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H77/06—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electromagnetic opening
    • H01H77/08—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electromagnetic opening retained closed by permanent or remanent magnetism and opened by windings acting in opposition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • 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
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/32—Electromagnetic mechanisms having permanently magnetised part
    • H01H71/321—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
AT375964A 1963-10-26 1964-04-28 Holding magnet as a trigger for electrical devices AT259671B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0088039 1963-10-26

Publications (1)

Publication Number Publication Date
AT259671B true AT259671B (en) 1968-01-25

Family

ID=7514187

Family Applications (1)

Application Number Title Priority Date Filing Date
AT375964A AT259671B (en) 1963-10-26 1964-04-28 Holding magnet as a trigger for electrical devices

Country Status (4)

Country Link
AT (1) AT259671B (en)
BE (1) BE649432A (en)
CH (1) CH419347A (en)
DE (1) DE1439300A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3410596A1 (en) * 1984-03-22 1985-09-26 Siemens Ag Electromagnetic trip device for earth-leakage current protection circuit breakers
FR2793947B1 (en) * 1999-05-20 2002-03-15 Thermocompact Sa HIGH SENSITIVITY RELAY, AND METHOD FOR THE PRODUCTION THEREOF

Also Published As

Publication number Publication date
DE1439300A1 (en) 1969-09-25
BE649432A (en) 1964-10-16
CH419347A (en) 1966-08-31

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