NL110540C - - Google Patents

Info

Publication number
NL110540C
NL110540C NL110540DA NL110540C NL 110540 C NL110540 C NL 110540C NL 110540D A NL110540D A NL 110540DA NL 110540 C NL110540 C NL 110540C
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 NL110540C publication Critical patent/NL110540C/xx
Priority to FR806618A priority Critical patent/FR1246800A/en

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by unbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by unbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/16Emergency 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 fault current to earth, frame or mass
    • H02H3/167Emergency 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 fault current to earth, frame or mass combined with other earth-fault protective arrangements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26Emergency 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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32Emergency 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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33Emergency 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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
NL110540D 1959-10-02 NL110540C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR806618A FR1246800A (en) 1959-10-02 1959-10-02 Safety switch for protection against electrical leakage currents

Publications (1)

Publication Number Publication Date
NL110540C true NL110540C (en)

Family

ID=8719765

Family Applications (2)

Application Number Title Priority Date Filing Date
NL256426D NL256426A (en) 1959-10-02
NL110540D NL110540C (en) 1959-10-02

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL256426D NL256426A (en) 1959-10-02

Country Status (8)

Country Link
US (1) US3214638A (en)
BE (1) BE595274A (en)
CH (1) CH366588A (en)
DE (1) DE1140634B (en)
ES (1) ES261758A1 (en)
FR (1) FR1246800A (en)
GB (1) GB962658A (en)
NL (2) NL110540C (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3280375A (en) * 1963-01-17 1966-10-18 Ite Circuit Breaker Ltd Tripping device
US3364335A (en) * 1963-05-31 1968-01-16 Palatini Benno Device for electrically heating surface structures such as roads, bridges, airport runways, walls, and the like
AT251631B (en) * 1963-09-16 1967-01-10 Herbert Dipl Ing Pferschy Device for heating of bottom surfaces
US3376477A (en) * 1965-12-06 1968-04-02 Hubbell Inc Harvey Protective circuit
US3374398A (en) * 1966-01-07 1968-03-19 Sanders Associates Inc Magnetic circuit protective device
AT259054B (en) * 1966-01-25 1967-12-27 Uninorm Anstalt Residual current circuit breakers with additional overcurrent trip
US3407337A (en) * 1966-11-15 1968-10-22 Purex Corp Ltd Leak detector for swimming pool lights and the like
US3473091A (en) * 1967-04-14 1969-10-14 Hubbell Inc Harvey Ground leakage differential protective apparatus
US3506906A (en) * 1967-12-18 1970-04-14 Rucker Co Ground fault circuit interrupter with inadvertent ground sensor
US3753205A (en) * 1971-06-07 1973-08-14 Wiggins Inc E Coupler device for tubing ends providing mechanical and electrical connections therewith
US3864581A (en) * 1973-01-22 1975-02-04 Varahur Srinivas Satyanarayana Shock prevention device
FR2444359A1 (en) * 1978-12-12 1980-07-11 Barthelemy Louis Power equipment circuit for electrocution protection - overcomes sensitivity problems by measuring imbalance between abnormal earth leakage currents, power input and power output currents
DE2912196C2 (en) * 1979-03-28 1981-10-08 Lueder, Holger, Dr. Phil., 8990 Lindau, De
FR2454198B2 (en) * 1979-04-09 1984-12-07 Osmond Max
US4707759A (en) * 1985-02-27 1987-11-17 Bodkin Lawrence E Universal fault circuit interrupter
GB2452203A (en) * 2006-05-12 2009-02-25 Great Man Made River Co For Re Description electro-ageeb electrical safety device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1667655A (en) * 1924-10-03 1928-04-24 Reyrolle A & Co Ltd Controlling or tripping apparatus for alternating-current electric circuits
US1776130A (en) * 1927-10-19 1930-09-16 Gen Electric Protection of electric circuits
GB350751A (en) * 1930-07-01 1931-06-18 Paul Berger Improvements in protective cut-out devices for electrical installations
GB429503A (en) * 1933-11-23 1935-05-23 Reyrolle A & Co Ltd Improvements in or relating to earthing arrangements for electric apparatus
FR900437A (en) * 1942-11-20 1945-06-28 Hermes Patentverwertungs Gmbh Protection against contact for electrical appliances
GB648207A (en) * 1948-12-16 1951-01-03 British Insulated Callenders Improvements in protective devices for electric circuits
DE1053639B (en) * 1956-08-13 1959-03-26 August Stuke Circuitry for protecting electrical installations

Also Published As

Publication number Publication date
BE595274A (en) 1961-01-16
BE595274A1 (en)
NL256426A (en)
CH366588A (en) 1963-01-15
US3214638A (en) 1965-10-26
DE1140634B (en) 1962-12-06
FR1246800A (en) 1960-11-25
GB962658A (en) 1964-07-01
ES261758A1 (en) 1960-12-16

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