GB328560A - Improvements in no-volt overload tripping mechanism for electrical switches - Google Patents

Improvements in no-volt overload tripping mechanism for electrical switches

Info

Publication number
GB328560A
GB328560A GB2662/29A GB266229A GB328560A GB 328560 A GB328560 A GB 328560A GB 2662/29 A GB2662/29 A GB 2662/29A GB 266229 A GB266229 A GB 266229A GB 328560 A GB328560 A GB 328560A
Authority
GB
United Kingdom
Prior art keywords
volt
tripping mechanism
electrical switches
overload tripping
overload
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
GB2662/29A
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.)
Allen West and Co Ltd
Original Assignee
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 NL31465D priority Critical patent/NL31465C/xx
Priority to BE328560D priority patent/BE328560A/xx
Application filed by Allen West and Co Ltd filed Critical Allen West and Co Ltd
Priority to GB2662/29A priority patent/GB328560A/en
Priority to US422388A priority patent/US1874797A/en
Priority to FR688840D priority patent/FR688840A/en
Priority to DE1930556665D priority patent/DE556665C/en
Publication of GB328560A publication Critical patent/GB328560A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/12—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by voltage falling below a predetermined value, e.g. for no-volt protection
GB2662/29A 1929-01-25 1929-01-25 Improvements in no-volt overload tripping mechanism for electrical switches Expired GB328560A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL31465D NL31465C (en) 1929-01-25
BE328560D BE328560A (en) 1929-01-25
GB2662/29A GB328560A (en) 1929-01-25 1929-01-25 Improvements in no-volt overload tripping mechanism for electrical switches
US422388A US1874797A (en) 1929-01-25 1930-01-21 No-volt tripping mechanism for electrical switches
FR688840D FR688840A (en) 1929-01-25 1930-01-25 Improvements to mechanisms triggered under the effect of a lack of voltage or an overload, for electrical switches
DE1930556665D DE556665C (en) 1929-01-25 1930-01-25 Zero voltage release for an automatic switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2662/29A GB328560A (en) 1929-01-25 1929-01-25 Improvements in no-volt overload tripping mechanism for electrical switches

Publications (1)

Publication Number Publication Date
GB328560A true GB328560A (en) 1930-04-25

Family

ID=9743544

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2662/29A Expired GB328560A (en) 1929-01-25 1929-01-25 Improvements in no-volt overload tripping mechanism for electrical switches

Country Status (6)

Country Link
US (1) US1874797A (en)
BE (1) BE328560A (en)
DE (1) DE556665C (en)
FR (1) FR688840A (en)
GB (1) GB328560A (en)
NL (1) NL31465C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2472588A (en) * 1944-11-02 1949-06-07 Gen Electric Electric switch
DE1953984C3 (en) * 1969-10-27 1973-01-04 Ellenberger & Poensgen Gmbh, 8503 Altdorf Push button operated switch
US3611215A (en) * 1970-08-21 1971-10-05 Westinghouse Electric Corp Circuit breaker includng improved undervoltage trip means

Also Published As

Publication number Publication date
FR688840A (en) 1930-08-29
US1874797A (en) 1932-08-30
BE328560A (en)
NL31465C (en)
DE556665C (en) 1932-08-12

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