GB601729A - An improved electric motor protection switch - Google Patents

An improved electric motor protection switch

Info

Publication number
GB601729A
GB601729A GB3573/45A GB357345A GB601729A GB 601729 A GB601729 A GB 601729A GB 3573/45 A GB3573/45 A GB 3573/45A GB 357345 A GB357345 A GB 357345A GB 601729 A GB601729 A GB 601729A
Authority
GB
United Kingdom
Prior art keywords
switch
contacts
lever
box
pole
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
GB3573/45A
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr 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 Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of GB601729A publication Critical patent/GB601729A/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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7463—Adjusting only the electromagnetic mechanism

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Protection Of Generators And Motors (AREA)
  • Breakers (AREA)
GB3573/45A 1944-02-21 1945-02-13 An improved electric motor protection switch Expired GB601729A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH601729X 1944-02-21

Publications (1)

Publication Number Publication Date
GB601729A true GB601729A (en) 1948-05-12

Family

ID=4522791

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3573/45A Expired GB601729A (en) 1944-02-21 1945-02-13 An improved electric motor protection switch

Country Status (5)

Country Link
CH (1) CH239634A (de)
DE (1) DE954172C (de)
FR (1) FR910248A (de)
GB (1) GB601729A (de)
NL (1) NL116223C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102148112A (zh) * 2010-02-04 2011-08-10 上海良信电器股份有限公司 一种螺管式可调电磁脱扣器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL203157A (de) * 1954-12-27
DE1067514B (de) * 1955-10-15 1959-10-22 Calor Emag Elektrizitaets Ag Ausloeseeinrichtung fuer mehrpolige Leistungs-Selbstschalter
DE1102893B (de) * 1957-09-23 1961-03-23 Licentia Gmbh Ausloeseeinrichtung mit elektromagnetischen Ausloesern fuer mehrpolige Schalter
DE1123750B (de) * 1959-03-23 1962-02-15 Licentia Gmbh Elektrischer Leistungsschalter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT150569B (de) * 1935-08-21 1937-09-10 Aeg Mehrpoliger Überstromschalter, insbesondere Motorschutzschalter, mit Wärmeauslösern und magnetischen Schnellauslösern.
DE640700C (de) * 1935-08-21 1937-01-11 Aeg Ausloesekurbel fuer mehrpolige Selbstschalter mit Waermeausloesern
BE443012A (de) * 1940-03-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102148112A (zh) * 2010-02-04 2011-08-10 上海良信电器股份有限公司 一种螺管式可调电磁脱扣器

Also Published As

Publication number Publication date
CH239634A (de) 1945-10-31
DE954172C (de) 1956-12-13
FR910248A (fr) 1946-05-31
NL116223C (de)

Similar Documents

Publication Publication Date Title
GB611817A (en) Improvements in or relating to trip means for electric circuit breakers
GB1454354A (en) Circuit breaker with flux transfer magnetic actuator
GB709947A (en) Improvements in and relating to automatic electric circuit breakers
GB552965A (en) Improvements in or relating to trip devices for electric circuit breakers
GB1472380A (en) Circuit breaker with adjustable thermal trip unit
GB1532137A (en) Multipole circuit breaker
GB501885A (en) Improvements in, and connected with, thermally-tripped automatic circuit breakers and similar electrical switchgear
GB601729A (en) An improved electric motor protection switch
GB1148957A (en) Electric circuit breakers with improved tripping means
GB832948A (en) Improvements in or relating to electric circuit breakers
GB549554A (en) Improvements in or relating to automatic electric circuit breakers
GB571997A (en) Improvements in or relating to electric circuit breakers provided with overload release devices
GB904444A (en) Improvements in or relating to electric circuit breaking devices
GB886267A (en) Electric circuit breakers embodying electromagnetic release means
GB611686A (en) Improvements in or relating to small automatic electric circuit breakers
GB1137325A (en) Improvements in electrical circuit breakers
GB1414072A (en) Fused circuit greaker
GB721617A (en) Improvements in and relating to electric relays
GB674520A (en) Improvements in or relating to electric circuit breakers embodying overload trip devices
GB796080A (en) Improvements in or relating to automatic electric circuit breakers
GB1053654A (de)
GB168849A (en) Improvements in or relating to automatic electric circuit breakers
GB1284094A (en) A circuit breaker with an automatically resettable trip device
GB556438A (en) Improvements in electric switches having automatic tripping means
GB647628A (en) Improvements in or relating to multiple pole automatic electric switches with magnetic and thermal tripping members