IT1027471B - PROTECTIVE SWITCH OR SIMILAR FOR ELECTRIC CURRENT OR VOLTAGE FAULT - Google Patents

PROTECTIVE SWITCH OR SIMILAR FOR ELECTRIC CURRENT OR VOLTAGE FAULT

Info

Publication number
IT1027471B
IT1027471B IT6730075A IT6730075A IT1027471B IT 1027471 B IT1027471 B IT 1027471B IT 6730075 A IT6730075 A IT 6730075A IT 6730075 A IT6730075 A IT 6730075A IT 1027471 B IT1027471 B IT 1027471B
Authority
IT
Italy
Prior art keywords
similar
electric current
protective switch
voltage fault
fault
Prior art date
Application number
IT6730075A
Other languages
Italian (it)
Original Assignee
Schrack Elektrizitaets Ag E
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 Schrack Elektrizitaets Ag E filed Critical Schrack Elektrizitaets Ag E
Application granted granted Critical
Publication of IT1027471B publication Critical patent/IT1027471B/en

Links

Classifications

    • 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
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • 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
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
    • H01H2083/045—Auxiliary switch opening testing circuit in synchronism with the main circuit
    • 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
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
IT6730075A 1974-02-08 1975-02-06 PROTECTIVE SWITCH OR SIMILAR FOR ELECTRIC CURRENT OR VOLTAGE FAULT IT1027471B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT102174A AT339991B (en) 1974-02-08 1974-02-08 FAULT CURRENT OR FAULT VOLTAGE CIRCUIT BREAKER OR DGL.

Publications (1)

Publication Number Publication Date
IT1027471B true IT1027471B (en) 1978-11-20

Family

ID=3505022

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6730075A IT1027471B (en) 1974-02-08 1975-02-06 PROTECTIVE SWITCH OR SIMILAR FOR ELECTRIC CURRENT OR VOLTAGE FAULT

Country Status (6)

Country Link
AR (1) AR208535A1 (en)
AT (1) AT339991B (en)
BR (1) BR7500870A (en)
DE (1) DE2504007A1 (en)
ES (1) ES434578A1 (en)
IT (1) IT1027471B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT353884B (en) * 1978-03-02 1979-12-10 Felten & Guilleaume Ag Oester FAULT CURRENT CIRCUIT BREAKER FOR PLUG-IN MOUNTING
DE2915091C2 (en) * 1979-04-12 1981-07-30 Siemens AG, 1000 Berlin und 8000 München Residual current circuit breaker
FR2569901B1 (en) * 1984-09-06 1986-12-26 Hager Electro IMPROVEMENTS TO AUTOMATIC SWITCHES, IN PARTICULAR TO DIFFERENTIAL SWITCHES AND CIRCUIT BREAKERS
DE3679291D1 (en) * 1985-10-31 1991-06-20 Merlin Gerin KINEMATIC TRANSMISSION CHAIN BETWEEN THE CONTROL MECHANISM AND THE POLES OF AN ELECTRIC LOAD SWITCH WITH A SPRAYED INSULATION HOUSING.
FR2589625B1 (en) * 1985-10-31 1989-02-03 Merlin Gerin KINEMATIC TRANSMISSION CHAIN BETWEEN THE CONTROL MECHANISM AND THE POLES OF AN ELECTRIC CIRCUIT BREAKER
FR2640423B1 (en) * 1988-12-14 1991-10-04 Merlin Gerin CONTROL MECHANISM OF A MULTIPOLAR DIFFERENTIAL SWITCH WITH ROTATING SWITCHING BAR
DE4011336A1 (en) * 1990-04-07 1991-10-10 Felten & Guilleaume Energie Fault current circuit breaker in modular design
DE9004196U1 (en) * 1990-04-11 1990-06-13 Felten & Guilleaume Energietechnik AG, 51063 Köln Test device for residual current circuit breakers
DE9004895U1 (en) * 1990-04-30 1990-06-28 Felten & Guilleaume Energietechnik AG, 5000 Köln Contact device for residual current circuit breaker
DE9004883U1 (en) * 1990-04-30 1990-06-28 Felten & Guilleaume Energietechnik AG, 5000 Köln Switching mechanism for low-voltage switchgear
DE4211916A1 (en) * 1992-04-09 1993-10-14 Abb Patent Gmbh Installation device

Also Published As

Publication number Publication date
DE2504007A1 (en) 1975-08-14
ES434578A1 (en) 1976-09-16
BR7500870A (en) 1975-11-11
ATA102174A (en) 1977-03-15
AR208535A1 (en) 1977-02-15
AT339991B (en) 1977-11-25

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