GB301425A - Improvements in or relating to thermally-operated electric switches or relays - Google Patents

Improvements in or relating to thermally-operated electric switches or relays

Info

Publication number
GB301425A
GB301425A GB35070/28A GB3507028A GB301425A GB 301425 A GB301425 A GB 301425A GB 35070/28 A GB35070/28 A GB 35070/28A GB 3507028 A GB3507028 A GB 3507028A GB 301425 A GB301425 A GB 301425A
Authority
GB
United Kingdom
Prior art keywords
relays
thermally
relating
electric switches
operated electric
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
GB35070/28A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston 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
Application filed by British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB301425A publication Critical patent/GB301425A/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
    • H01H71/7409—Interchangeable elements
GB35070/28A 1927-11-29 1928-11-28 Improvements in or relating to thermally-operated electric switches or relays Expired GB301425A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US236529A US1842958A (en) 1927-11-29 1927-11-29 Thermo relay

Publications (1)

Publication Number Publication Date
GB301425A true GB301425A (en) 1930-03-28

Family

ID=22889898

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35070/28A Expired GB301425A (en) 1927-11-29 1928-11-28 Improvements in or relating to thermally-operated electric switches or relays

Country Status (5)

Country Link
US (1) US1842958A (enrdf_load_stackoverflow)
BE (1) BE396224A (enrdf_load_stackoverflow)
DE (1) DE506752C (enrdf_load_stackoverflow)
FR (2) FR664768A (enrdf_load_stackoverflow)
GB (1) GB301425A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000484A (en) * 1974-10-09 1976-12-28 Ellenberger & Poensgen Gmbh Directly heated bimetallic strip for use in a thermal trip

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424297A (en) * 1943-11-20 1947-07-22 Westinghouse Electric Corp Overload relay
DE963348C (de) * 1944-02-02 1957-05-09 Siemens Ag Ausloeseeinrichtung mit einem thermisch verzoegerten Bimetall- und einem unverzoegerten elektromagnetischen Schnellausloeser
US2931884A (en) * 1957-01-23 1960-04-05 Sunbeam Corp Controlled heat cooking vessel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000484A (en) * 1974-10-09 1976-12-28 Ellenberger & Poensgen Gmbh Directly heated bimetallic strip for use in a thermal trip

Also Published As

Publication number Publication date
BE396224A (enrdf_load_stackoverflow)
DE506752C (de) 1930-09-08
FR767696A (enrdf_load_stackoverflow) 1934-07-20
FR664768A (fr) 1929-09-07
US1842958A (en) 1932-01-26

Similar Documents

Publication Publication Date Title
GB326155A (en) Improvements in electric switches
GB306822A (en) Improvements in or relating to electric switches
GB301425A (en) Improvements in or relating to thermally-operated electric switches or relays
GB294682A (en) Improvements in or relating to electric switches or relays
GB302590A (en) Improvements in or relating to electric switches
GB303976A (en) Improvements in or relating to electric switches
GB298182A (en) Improvements in or relating to electric switches
GB306198A (en) Improvements in or relating to electric switches
GB303051A (en) Improvements in or relating to electric circuit-breakers or switches
GB295965A (en) Improvements in electric switches
GB300575A (en) Improvements in or relating to electrical switches
GB299907A (en) Improvements in or relating to electric oil-break switches
GB304380A (en) Improvements in or relating to electric switches
GB299175A (en) Improvements in or relating to electric switches
GB297164A (en) Improvements in or relating to electric switches
GB296855A (en) Improvements in or relating to electric switches
GB293139A (en) Improvements in or relating to electric switches
GB296476A (en) Improvements in or relating to electric relays
GB305069A (en) Improvements in or relating to electric relays
GB294517A (en) Improvements in or relating to electric circuit-breakers or switches
GB300528A (en) Improvements in electric switches
GB299379A (en) Improvements in electric switches
GB322603A (en) Improvements in or relating to electric switches
GB326768A (en) Improvements in or relating to electric switches
GB318559A (en) Improvements in or relating to electric switches