FR1351249A - Automatic switch, in particular to protect pipes - Google Patents

Automatic switch, in particular to protect pipes

Info

Publication number
FR1351249A
FR1351249A FR928652A FR928652A FR1351249A FR 1351249 A FR1351249 A FR 1351249A FR 928652 A FR928652 A FR 928652A FR 928652 A FR928652 A FR 928652A FR 1351249 A FR1351249 A FR 1351249A
Authority
FR
France
Prior art keywords
automatic switch
protect pipes
pipes
protect
automatic
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
FR928652A
Other languages
French (fr)
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.)
Stotz Kontakt GmbH
Original Assignee
Stotz Kontakt GmbH
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 Stotz Kontakt GmbH filed Critical Stotz Kontakt GmbH
Priority to FR928652A priority Critical patent/FR1351249A/en
Application granted granted Critical
Publication of FR1351249A publication Critical patent/FR1351249A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/025—Disconnection after limiting, e.g. when limiting is not sufficient or for facilitating disconnection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • H02H9/026—Current limitation using PTC resistors, i.e. resistors with a large positive temperature coefficient
FR928652A 1963-03-20 1963-03-20 Automatic switch, in particular to protect pipes Expired FR1351249A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR928652A FR1351249A (en) 1963-03-20 1963-03-20 Automatic switch, in particular to protect pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR928652A FR1351249A (en) 1963-03-20 1963-03-20 Automatic switch, in particular to protect pipes

Publications (1)

Publication Number Publication Date
FR1351249A true FR1351249A (en) 1964-01-31

Family

ID=8799683

Family Applications (1)

Application Number Title Priority Date Filing Date
FR928652A Expired FR1351249A (en) 1963-03-20 1963-03-20 Automatic switch, in particular to protect pipes

Country Status (1)

Country Link
FR (1) FR1351249A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2285706A1 (en) * 1974-09-13 1976-04-16 Mitsubishi Electric Corp CIRCUIT SWITCH
DE3021909A1 (en) * 1979-06-11 1980-12-18 Hazemeijer Bv SELECTIVE SAFETY SWITCHING DEVICE FOR PROTECTING A POWER DISTRIBUTION SYSTEM
NL8902787A (en) * 1989-11-10 1991-06-03 Holec Syst & Componenten Isolation switch and protection circuit for AC supply - has cut=out switch actuated by thermal, magnetic or current imbalance detectors

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2285706A1 (en) * 1974-09-13 1976-04-16 Mitsubishi Electric Corp CIRCUIT SWITCH
DE3021909A1 (en) * 1979-06-11 1980-12-18 Hazemeijer Bv SELECTIVE SAFETY SWITCHING DEVICE FOR PROTECTING A POWER DISTRIBUTION SYSTEM
NL8902787A (en) * 1989-11-10 1991-06-03 Holec Syst & Componenten Isolation switch and protection circuit for AC supply - has cut=out switch actuated by thermal, magnetic or current imbalance detectors

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