NL275674A - - Google Patents

Info

Publication number
NL275674A
NL275674A NL275674DA NL275674A NL 275674 A NL275674 A NL 275674A NL 275674D A NL275674D A NL 275674DA NL 275674 A NL275674 A NL 275674A
Authority
NL
Netherlands
Application number
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.)
Publication of NL275674A publication Critical patent/NL275674A/xx

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
    • H02H3/08—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 responsive to excess current
    • H02H3/10—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 responsive to excess current additionally responsive to some other abnormal electrical conditions
    • H02H3/105—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 responsive to excess current additionally responsive to some other abnormal electrical conditions responsive to excess current and fault current to earth
    • 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
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
    • H01H83/226—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages with differential transformer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
    • H01H2089/005—Multi-purpose combinations, e.g. LS/DI, LS/FI, of normal protective circuit breakers with known other forms of protection, e.g. earthfaults, differential, unbalance

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
NL275674D 1962-03-08 NL275674A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR890435A FR1317059A (fr) 1962-03-08 1962-03-08 Disjoncteur d'installation

Publications (1)

Publication Number Publication Date
NL275674A true NL275674A (de)

Family

ID=8774333

Family Applications (1)

Application Number Title Priority Date Filing Date
NL275674D NL275674A (de) 1962-03-08

Country Status (2)

Country Link
FR (1) FR1317059A (de)
NL (1) NL275674A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2662017B1 (fr) * 1990-05-10 1996-07-26 Merlin Gerin Disjoncteur differentiel unipolaire et neutre.
DE102004004840B4 (de) * 2004-01-30 2006-05-11 Siemens Ag Schutzschaltvorrichtung mit Differenzstromauslöser

Also Published As

Publication number Publication date
FR1317059A (fr) 1963-02-01

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