GB774071A - Improvements in or relating to electromagnetic switches adapted to be tripped under fault conditions - Google Patents

Improvements in or relating to electromagnetic switches adapted to be tripped under fault conditions

Info

Publication number
GB774071A
GB774071A GB827452A GB827452A GB774071A GB 774071 A GB774071 A GB 774071A GB 827452 A GB827452 A GB 827452A GB 827452 A GB827452 A GB 827452A GB 774071 A GB774071 A GB 774071A
Authority
GB
United Kingdom
Prior art keywords
contactor
pivoted
lever
contact
moves
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
GB827452A
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 NL82783D priority Critical patent/NL82783C/xx
Application filed by ALBERT WILLIAM JAMES BERRY, Allen West and Co Ltd filed Critical ALBERT WILLIAM JAMES BERRY
Priority to GB827452A priority patent/GB774071A/en
Publication of GB774071A publication Critical patent/GB774071A/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)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
GB827452A 1952-04-01 1952-04-01 Improvements in or relating to electromagnetic switches adapted to be tripped under fault conditions Expired GB774071A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL82783D NL82783C (cs) 1952-04-01
GB827452A GB774071A (en) 1952-04-01 1952-04-01 Improvements in or relating to electromagnetic switches adapted to be tripped under fault conditions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB827452A GB774071A (en) 1952-04-01 1952-04-01 Improvements in or relating to electromagnetic switches adapted to be tripped under fault conditions

Publications (1)

Publication Number Publication Date
GB774071A true GB774071A (en) 1957-05-08

Family

ID=9849353

Family Applications (1)

Application Number Title Priority Date Filing Date
GB827452A Expired GB774071A (en) 1952-04-01 1952-04-01 Improvements in or relating to electromagnetic switches adapted to be tripped under fault conditions

Country Status (2)

Country Link
GB (1) GB774071A (cs)
NL (1) NL82783C (cs)

Also Published As

Publication number Publication date
NL82783C (cs)

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