GB313520A - Improvements in and relating to devices for preventing the release of polarized switches on counter-current - Google Patents

Improvements in and relating to devices for preventing the release of polarized switches on counter-current

Info

Publication number
GB313520A
GB313520A GB17895/29A GB1789529A GB313520A GB 313520 A GB313520 A GB 313520A GB 17895/29 A GB17895/29 A GB 17895/29A GB 1789529 A GB1789529 A GB 1789529A GB 313520 A GB313520 A GB 313520A
Authority
GB
United Kingdom
Prior art keywords
relating
counter
release
preventing
devices
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
GB17895/29A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB313520A publication Critical patent/GB313520A/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
    • H01H83/08—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by reversal of DC
GB17895/29A 1928-06-13 1929-06-11 Improvements in and relating to devices for preventing the release of polarized switches on counter-current Expired GB313520A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE313520X 1928-06-13

Publications (1)

Publication Number Publication Date
GB313520A true GB313520A (en) 1930-03-13

Family

ID=6140948

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17895/29A Expired GB313520A (en) 1928-06-13 1929-06-11 Improvements in and relating to devices for preventing the release of polarized switches on counter-current

Country Status (2)

Country Link
GB (1) GB313520A (enrdf_load_stackoverflow)
NL (1) NL27119C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL27119C (enrdf_load_stackoverflow)

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