IT8723072A0 - DETECTOR BLOCK FOR DIFFERENTIAL CURRENTS IN ELECTRICAL SYSTEMS, EQUIPPED WITH SAFETY MEANS TO AVOID COUPLING WITH ELECTRICAL SWITCHES SET FOR RATED CURRENTS NOT COMPATIBLE WITH THOSE OF THE BLOCK ITSELF. - Google Patents

DETECTOR BLOCK FOR DIFFERENTIAL CURRENTS IN ELECTRICAL SYSTEMS, EQUIPPED WITH SAFETY MEANS TO AVOID COUPLING WITH ELECTRICAL SWITCHES SET FOR RATED CURRENTS NOT COMPATIBLE WITH THOSE OF THE BLOCK ITSELF.

Info

Publication number
IT8723072A0
IT8723072A0 IT8723072A IT2307287A IT8723072A0 IT 8723072 A0 IT8723072 A0 IT 8723072A0 IT 8723072 A IT8723072 A IT 8723072A IT 2307287 A IT2307287 A IT 2307287A IT 8723072 A0 IT8723072 A0 IT 8723072A0
Authority
IT
Italy
Prior art keywords
currents
block
compatible
electrical
those
Prior art date
Application number
IT8723072A
Other languages
Italian (it)
Inventor
Raffaello Monterosso
Original Assignee
Elettrocondutture
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 Elettrocondutture filed Critical Elettrocondutture
Priority to IT8723072A priority Critical patent/IT8723072A0/en
Publication of IT8723072A0 publication Critical patent/IT8723072A0/en
Priority to EP88120982A priority patent/EP0320931A3/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
    • H01H83/20—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/044—Application rejection 1: coded interacting surfaces, polarising, e.g. to avoid insertion of a circuit breaker or fuse or relay or rating plug of the wrong caliber or in the wrong direction
IT8723072A 1987-12-17 1987-12-17 DETECTOR BLOCK FOR DIFFERENTIAL CURRENTS IN ELECTRICAL SYSTEMS, EQUIPPED WITH SAFETY MEANS TO AVOID COUPLING WITH ELECTRICAL SWITCHES SET FOR RATED CURRENTS NOT COMPATIBLE WITH THOSE OF THE BLOCK ITSELF. IT8723072A0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT8723072A IT8723072A0 (en) 1987-12-17 1987-12-17 DETECTOR BLOCK FOR DIFFERENTIAL CURRENTS IN ELECTRICAL SYSTEMS, EQUIPPED WITH SAFETY MEANS TO AVOID COUPLING WITH ELECTRICAL SWITCHES SET FOR RATED CURRENTS NOT COMPATIBLE WITH THOSE OF THE BLOCK ITSELF.
EP88120982A EP0320931A3 (en) 1987-12-17 1988-12-15 Units for detecting differential currents in electric systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8723072A IT8723072A0 (en) 1987-12-17 1987-12-17 DETECTOR BLOCK FOR DIFFERENTIAL CURRENTS IN ELECTRICAL SYSTEMS, EQUIPPED WITH SAFETY MEANS TO AVOID COUPLING WITH ELECTRICAL SWITCHES SET FOR RATED CURRENTS NOT COMPATIBLE WITH THOSE OF THE BLOCK ITSELF.

Publications (1)

Publication Number Publication Date
IT8723072A0 true IT8723072A0 (en) 1987-12-17

Family

ID=11203480

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8723072A IT8723072A0 (en) 1987-12-17 1987-12-17 DETECTOR BLOCK FOR DIFFERENTIAL CURRENTS IN ELECTRICAL SYSTEMS, EQUIPPED WITH SAFETY MEANS TO AVOID COUPLING WITH ELECTRICAL SWITCHES SET FOR RATED CURRENTS NOT COMPATIBLE WITH THOSE OF THE BLOCK ITSELF.

Country Status (2)

Country Link
EP (1) EP0320931A3 (en)
IT (1) IT8723072A0 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2115034B2 (en) * 1971-03-29 1977-07-21 Brown, Boveri & Cie Ag, 6800 Mannheim CIRCUIT BREAKER WITH OVERCURRENT, SHORT CIRCUIT AND FAULT CURRENT PROTECTION
DE2700384A1 (en) * 1977-01-07 1978-07-13 Licentia Gmbh Multi-pole power protective circuit breaker - has individual poles with closely adjacent hollow rivets protruding from housing shells and held by screws
AT353884B (en) * 1978-03-02 1979-12-10 Felten & Guilleaume Ag Oester FAULT CURRENT CIRCUIT BREAKER FOR PLUG-IN MOUNTING
DE3619675A1 (en) * 1986-06-11 1987-12-17 Bbc Brown Boveri & Cie SELF-SWITCH BLOCK

Also Published As

Publication number Publication date
EP0320931A3 (en) 1990-08-29
EP0320931A2 (en) 1989-06-21

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