FR852628A - Simultaneous safety device for separately powered electrical devices - Google Patents

Simultaneous safety device for separately powered electrical devices

Info

Publication number
FR852628A
FR852628A FR852628DA FR852628A FR 852628 A FR852628 A FR 852628A FR 852628D A FR852628D A FR 852628DA FR 852628 A FR852628 A FR 852628A
Authority
FR
France
Prior art keywords
safety device
electrical devices
powered electrical
separately powered
simultaneous
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
Other languages
French (fr)
Inventor
Herbert Spiers
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.)
USINAGE DE MATERIEL ELECTR SOC
Original Assignee
USINAGE DE MATERIEL ELECTR SOC
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 USINAGE DE MATERIEL ELECTR SOC filed Critical USINAGE DE MATERIEL ELECTR SOC
Application granted granted Critical
Publication of FR852628A publication Critical patent/FR852628A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • H02H7/226—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices for wires or cables, e.g. heating wires
FR852628D 1938-04-23 1939-04-05 Simultaneous safety device for separately powered electrical devices Expired FR852628A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU852628X 1938-04-23

Publications (1)

Publication Number Publication Date
FR852628A true FR852628A (en) 1940-02-28

Family

ID=19734274

Family Applications (1)

Application Number Title Priority Date Filing Date
FR852628D Expired FR852628A (en) 1938-04-23 1939-04-05 Simultaneous safety device for separately powered electrical devices

Country Status (1)

Country Link
FR (1) FR852628A (en)

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