FR1336310A - Automatic switching device for mains powered devices - Google Patents

Automatic switching device for mains powered devices

Info

Publication number
FR1336310A
FR1336310A FR904492A FR904492A FR1336310A FR 1336310 A FR1336310 A FR 1336310A FR 904492 A FR904492 A FR 904492A FR 904492 A FR904492 A FR 904492A FR 1336310 A FR1336310 A FR 1336310A
Authority
FR
France
Prior art keywords
switching device
automatic switching
powered devices
mains powered
mains
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
FR904492A
Other languages
French (fr)
Inventor
Pierre Berthelemy
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 filed Critical
Priority to FR904492A priority Critical patent/FR1336310A/en
Application granted granted Critical
Publication of FR1336310A publication Critical patent/FR1336310A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
    • H02H11/006—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too high or too low voltage
    • H02H11/007—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too high or too low voltage involving automatic switching for adapting the protected apparatus to the supply voltage
FR904492A 1962-07-19 1962-07-19 Automatic switching device for mains powered devices Expired FR1336310A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR904492A FR1336310A (en) 1962-07-19 1962-07-19 Automatic switching device for mains powered devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR904492A FR1336310A (en) 1962-07-19 1962-07-19 Automatic switching device for mains powered devices

Publications (1)

Publication Number Publication Date
FR1336310A true FR1336310A (en) 1963-08-30

Family

ID=8783541

Family Applications (1)

Application Number Title Priority Date Filing Date
FR904492A Expired FR1336310A (en) 1962-07-19 1962-07-19 Automatic switching device for mains powered devices

Country Status (1)

Country Link
FR (1) FR1336310A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2801462A1 (en) * 1978-01-13 1979-07-19 Paul Petersen Automatic mains voltage changeover for razor - with low voltage relay connected to ensure reliable operation when high to low voltage ratio is less than 2

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2801462A1 (en) * 1978-01-13 1979-07-19 Paul Petersen Automatic mains voltage changeover for razor - with low voltage relay connected to ensure reliable operation when high to low voltage ratio is less than 2

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