GB487735A - Improvements in and relating to thermal relays - Google Patents

Improvements in and relating to thermal relays

Info

Publication number
GB487735A
GB487735A GB23162/37A GB2316237A GB487735A GB 487735 A GB487735 A GB 487735A GB 23162/37 A GB23162/37 A GB 23162/37A GB 2316237 A GB2316237 A GB 2316237A GB 487735 A GB487735 A GB 487735A
Authority
GB
United Kingdom
Prior art keywords
magnet core
protected
arm
release
temperature
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
GB23162/37A
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.)
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Germany
Original Assignee
BBC BROWN BOVERI and CIE
Brown Boveri und Cie AG Germany
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 BBC BROWN BOVERI and CIE, Brown Boveri und Cie AG Germany filed Critical BBC BROWN BOVERI and CIE
Publication of GB487735A publication Critical patent/GB487735A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/004—Thermally-actuated switches with thermal image

Landscapes

  • Breakers (AREA)
  • Electromagnets (AREA)
  • Thermally Actuated Switches (AREA)
GB23162/37A 1936-08-24 1937-08-24 Improvements in and relating to thermal relays Expired GB487735A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE207262X 1936-08-24

Publications (1)

Publication Number Publication Date
GB487735A true GB487735A (en) 1938-06-24

Family

ID=5793625

Family Applications (2)

Application Number Title Priority Date Filing Date
GB23162/37A Expired GB487735A (en) 1936-08-24 1937-08-24 Improvements in and relating to thermal relays
GB34550/37A Expired GB492008A (en) 1936-08-24 1937-12-14 Improvements in and relating to thermal relays

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB34550/37A Expired GB492008A (en) 1936-08-24 1937-12-14 Improvements in and relating to thermal relays

Country Status (5)

Country Link
BE (1) BE423253A (enrdf_load_stackoverflow)
CH (1) CH207262A (enrdf_load_stackoverflow)
FR (1) FR827335A (enrdf_load_stackoverflow)
GB (2) GB487735A (enrdf_load_stackoverflow)
NL (1) NL49658C (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077777A (en) * 1959-02-13 1963-02-19 Westinghouse Electric Corp Thermal indicator for electrical apparatus
US3077776A (en) * 1959-02-13 1963-02-19 Westinghouse Electric Corp Thermal indicator for electrical apparatus
US3106842A (en) * 1959-06-05 1963-10-15 Westinghouse Electric Corp Thermally responsive device for electrical apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077777A (en) * 1959-02-13 1963-02-19 Westinghouse Electric Corp Thermal indicator for electrical apparatus
US3077776A (en) * 1959-02-13 1963-02-19 Westinghouse Electric Corp Thermal indicator for electrical apparatus
US3106842A (en) * 1959-06-05 1963-10-15 Westinghouse Electric Corp Thermally responsive device for electrical apparatus

Also Published As

Publication number Publication date
NL49658C (enrdf_load_stackoverflow)
CH207262A (de) 1939-10-15
FR827335A (fr) 1938-04-25
GB492008A (en) 1938-09-13
BE423253A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US2709216A (en) Temperature control for electric blankets
GB1472380A (en) Circuit breaker with adjustable thermal trip unit
GB487735A (en) Improvements in and relating to thermal relays
GB498325A (en) Improvements in, or relating to, automatic circuit breakers and similar electrical switchgear
US3857068A (en) Transformer having a thyristor controlled circuit breaker
US1501019A (en) Electric-circuit protective device
ES342652A1 (es) Una disposicion termica de arranque para un motor asincro- nico monofasico.
US1722768A (en) Thermal relay
GB543194A (en) Improvements in and connected with automatic circuit breakers and similar electric switchgear
US3808572A (en) Inductive heating means for thermal trip device
US2629034A (en) Electrical apparatus
US2333537A (en) Protective device for electrical apparatus
GB1530576A (en) Circuit-breaker including an interchangeable tripping device
GB574077A (en) Improvements in and relating to thermal relays for protecting electrical conductors,machines and apparatus against overload
US2937251A (en) Circuit breaker
US1720509A (en) Protective device
RU157514U1 (ru) Электромагнитный расцепитель токов короткого замыкания автоматического выключателя
USRE15929E (en) Vania
US1212146A (en) Circuit-breaker.
SU658619A1 (ru) Расцепитель максимального тока автоматического выключател
GB1309819A (en) Thermistor controlled overload protection circuit
US2638737A (en) Thermal type overload circuit breaker
GB440413A (en) Improvements in or relating to thermally operated release devices for automatic electric switches
US1912610A (en) Electrical device
DE729097C (de) Thermisches Relais fuer die UEberwachung und den Schutz elektrischer Leitungen, Maschinen und Apparate