GB308223A - Improvements in and relating to protective devices for electrical apparatus - Google Patents

Improvements in and relating to protective devices for electrical apparatus

Info

Publication number
GB308223A
GB308223A GB8894/29A GB889429A GB308223A GB 308223 A GB308223 A GB 308223A GB 8894/29 A GB8894/29 A GB 8894/29A GB 889429 A GB889429 A GB 889429A GB 308223 A GB308223 A GB 308223A
Authority
GB
United Kingdom
Prior art keywords
relating
electrical apparatus
protective devices
protective
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
GB8894/29A
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.)
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 GB308223A publication Critical patent/GB308223A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
GB8894/29A 1928-03-19 1929-03-19 Improvements in and relating to protective devices for electrical apparatus Expired GB308223A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US308223XA 1928-03-19 1928-03-19

Publications (1)

Publication Number Publication Date
GB308223A true GB308223A (en) 1930-08-19

Family

ID=21856216

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8894/29A Expired GB308223A (en) 1928-03-19 1929-03-19 Improvements in and relating to protective devices for electrical apparatus

Country Status (1)

Country Link
GB (1) GB308223A (en)

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