GB774072A - Improvements in or relating to electromagnetic switches adapted to trip under fault conditions - Google Patents

Improvements in or relating to electromagnetic switches adapted to trip under fault conditions

Info

Publication number
GB774072A
GB774072A GB827552A GB827552A GB774072A GB 774072 A GB774072 A GB 774072A GB 827552 A GB827552 A GB 827552A GB 827552 A GB827552 A GB 827552A GB 774072 A GB774072 A GB 774072A
Authority
GB
United Kingdom
Prior art keywords
contact
contacts
button
plate
arm
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
GB827552A
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.)
ALBERT WILLIAM JAMES BERRY
Allen West and Co Ltd
Original Assignee
ALBERT WILLIAM JAMES BERRY
Allen West 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
Priority to BE518880D priority Critical patent/BE518880A/xx
Priority to NL87611D priority patent/NL87611C/xx
Application filed by ALBERT WILLIAM JAMES BERRY, Allen West and Co Ltd filed Critical ALBERT WILLIAM JAMES BERRY
Priority to GB827552A priority patent/GB774072A/en
Priority to DEW10906A priority patent/DE1061419B/de
Priority to CH315019D priority patent/CH315019A/de
Priority to ES0208580A priority patent/ES208580A1/es
Priority to FR1079918D priority patent/FR1079918A/fr
Publication of GB774072A publication Critical patent/GB774072A/en
Expired legal-status Critical Current

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
    • H01H71/66—Power reset mechanisms
    • H01H71/68—Power reset mechanisms actuated by electromagnet
    • H01H71/685—Power reset mechanisms actuated by electromagnet in which the excitation of the electromagnet is interrupted by abnormal conditions

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Push-Button Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
GB827552A 1952-04-01 1952-04-01 Improvements in or relating to electromagnetic switches adapted to trip under fault conditions Expired GB774072A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BE518880D BE518880A (enrdf_load_stackoverflow) 1952-04-01
NL87611D NL87611C (enrdf_load_stackoverflow) 1952-04-01
GB827552A GB774072A (en) 1952-04-01 1952-04-01 Improvements in or relating to electromagnetic switches adapted to trip under fault conditions
DEW10906A DE1061419B (de) 1952-04-01 1953-03-28 Elektromagnetisches Schuetz mit UEberstromausloesung
CH315019D CH315019A (de) 1952-04-01 1953-03-31 Elektrischer Stromkreisunterbrecher
ES0208580A ES208580A1 (es) 1952-04-01 1953-03-31 Perfeccionamientos en o relativos a interruptores electromagnéticos adaptados para disparo en sobrecarga
FR1079918D FR1079918A (fr) 1952-04-01 1953-04-01 Perfectionnements aux interrupteurs électromagnétiques se déclenchant sous l'effet d'une surcharge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB827552A GB774072A (en) 1952-04-01 1952-04-01 Improvements in or relating to electromagnetic switches adapted to trip under fault conditions

Publications (1)

Publication Number Publication Date
GB774072A true GB774072A (en) 1957-05-08

Family

ID=9849370

Family Applications (1)

Application Number Title Priority Date Filing Date
GB827552A Expired GB774072A (en) 1952-04-01 1952-04-01 Improvements in or relating to electromagnetic switches adapted to trip under fault conditions

Country Status (7)

Country Link
BE (1) BE518880A (enrdf_load_stackoverflow)
CH (1) CH315019A (enrdf_load_stackoverflow)
DE (1) DE1061419B (enrdf_load_stackoverflow)
ES (1) ES208580A1 (enrdf_load_stackoverflow)
FR (1) FR1079918A (enrdf_load_stackoverflow)
GB (1) GB774072A (enrdf_load_stackoverflow)
NL (1) NL87611C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE518880A (enrdf_load_stackoverflow)
DE1061419B (de) 1959-07-16
ES208580A1 (es) 1953-08-01
CH315019A (de) 1956-07-15
NL87611C (enrdf_load_stackoverflow)
FR1079918A (fr) 1954-12-03

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