ZA75868B - High-sensitivity electromagnetic trip device - Google Patents

High-sensitivity electromagnetic trip device

Info

Publication number
ZA75868B
ZA75868B ZA00750868*A ZA75868A ZA75868B ZA 75868 B ZA75868 B ZA 75868B ZA 75868 A ZA75868 A ZA 75868A ZA 75868 B ZA75868 B ZA 75868B
Authority
ZA
South Africa
Prior art keywords
trip device
electromagnetic trip
sensitivity electromagnetic
sensitivity
trip
Prior art date
Application number
ZA00750868*A
Inventor
A Fouveaut
Original Assignee
Gardy Particip App
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 Gardy Particip App filed Critical Gardy Particip App
Publication of ZA75868B publication Critical patent/ZA75868B/en

Links

Classifications

    • 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
    • H01H71/323—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements with rotatable armature

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
  • Electromagnets (AREA)
ZA00750868*A 1974-02-14 1975-01-11 High-sensitivity electromagnetic trip device ZA75868B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7404971A FR2261614A1 (en) 1974-02-14 1974-02-14 High sensitivity mechanical relay or contact breaker - for use in differential switching circuits

Publications (1)

Publication Number Publication Date
ZA75868B true ZA75868B (en) 1976-01-28

Family

ID=9134894

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00750868*A ZA75868B (en) 1974-02-14 1975-01-11 High-sensitivity electromagnetic trip device

Country Status (5)

Country Link
BE (1) BE825453A (en)
DE (1) DE2505867A1 (en)
FR (1) FR2261614A1 (en)
SE (1) SE7501594L (en)
ZA (1) ZA75868B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2940656A1 (en) * 1979-10-06 1981-04-16 Felten & Guilleaume Carlswerk AG, 5000 Köln HERMETICALLY CLOSED PERMANENT MAGNETIC TRIGGER
IT209349Z2 (en) * 1985-10-15 1988-10-05 Elettrocondutture POLARIZED ELECTROMAGNETIC ACTUATOR STRUCTURE.
FR2618941B1 (en) * 1987-07-28 1995-01-06 Merlin Gerin HIGH SENSITIVITY ELECTROMAGNETIC TRIGGER AND MANUFACTURING METHOD THEREOF
FR2620264B1 (en) * 1987-09-03 1989-12-01 Merlin Gerin MAGNETIC TRIGGER WITH KNIFE JOINT
NL1010974C2 (en) 1999-01-06 2000-07-07 Holec Holland Nv Trip system for an electric switch with favorable power-way characteristic.

Also Published As

Publication number Publication date
FR2261614A1 (en) 1975-09-12
DE2505867A1 (en) 1975-08-28
FR2261614B3 (en) 1976-11-26
SE7501594L (en) 1975-08-15
BE825453A (en) 1975-05-29

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