IT8723071A0 - DEVICE FOR DETECTOR OF DIFFERENTIAL CURRENTS IN ELECTRICAL SYSTEMS, STRUCTURED SO AS TO BE COUPLED, IN A SIDE-SIDE POSITION, WITH NORMAL SWITCHES WITHOUT THE RISK OF ACCIDENTAL ASSEMBLY ERRORS. - Google Patents

DEVICE FOR DETECTOR OF DIFFERENTIAL CURRENTS IN ELECTRICAL SYSTEMS, STRUCTURED SO AS TO BE COUPLED, IN A SIDE-SIDE POSITION, WITH NORMAL SWITCHES WITHOUT THE RISK OF ACCIDENTAL ASSEMBLY ERRORS.

Info

Publication number
IT8723071A0
IT8723071A0 IT8723071A IT2307187A IT8723071A0 IT 8723071 A0 IT8723071 A0 IT 8723071A0 IT 8723071 A IT8723071 A IT 8723071A IT 2307187 A IT2307187 A IT 2307187A IT 8723071 A0 IT8723071 A0 IT 8723071A0
Authority
IT
Italy
Prior art keywords
structured
detector
risk
coupled
electrical systems
Prior art date
Application number
IT8723071A
Other languages
Italian (it)
Other versions
IT1223522B (en
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 IT23071/87A priority Critical patent/IT1223522B/en
Publication of IT8723071A0 publication Critical patent/IT8723071A0/en
Priority to EP88120978A priority patent/EP0320928A3/en
Application granted granted Critical
Publication of IT1223522B publication Critical patent/IT1223522B/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 unbalance of two or more currents or voltages
IT23071/87A 1987-12-17 1987-12-17 DIFFERENTIAL CURRENT DETECTOR DEVICE IN ELECTRICAL SYSTEMS, STRUCTURED IN A WAY TO BE COUPLED, IN A CLOSED POSITION, TO NORMAL SWITCHES WITHOUT DANGER OF ACCIDENTAL ASSEMBLY ERRORS IT1223522B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT23071/87A IT1223522B (en) 1987-12-17 1987-12-17 DIFFERENTIAL CURRENT DETECTOR DEVICE IN ELECTRICAL SYSTEMS, STRUCTURED IN A WAY TO BE COUPLED, IN A CLOSED POSITION, TO NORMAL SWITCHES WITHOUT DANGER OF ACCIDENTAL ASSEMBLY ERRORS
EP88120978A EP0320928A3 (en) 1987-12-17 1988-12-15 Device for detecting differential currents in electric systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23071/87A IT1223522B (en) 1987-12-17 1987-12-17 DIFFERENTIAL CURRENT DETECTOR DEVICE IN ELECTRICAL SYSTEMS, STRUCTURED IN A WAY TO BE COUPLED, IN A CLOSED POSITION, TO NORMAL SWITCHES WITHOUT DANGER OF ACCIDENTAL ASSEMBLY ERRORS

Publications (2)

Publication Number Publication Date
IT8723071A0 true IT8723071A0 (en) 1987-12-17
IT1223522B IT1223522B (en) 1990-09-19

Family

ID=11203472

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23071/87A IT1223522B (en) 1987-12-17 1987-12-17 DIFFERENTIAL CURRENT DETECTOR DEVICE IN ELECTRICAL SYSTEMS, STRUCTURED IN A WAY TO BE COUPLED, IN A CLOSED POSITION, TO NORMAL SWITCHES WITHOUT DANGER OF ACCIDENTAL ASSEMBLY ERRORS

Country Status (2)

Country Link
EP (1) EP0320928A3 (en)
IT (1) IT1223522B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784940A (en) * 1972-09-15 1974-01-08 Federal Pacific Electric Co Circuit breaker with overcurrent and auxiliary releases
US3858130A (en) * 1973-12-04 1974-12-31 Westinghouse Electric Corp Ground fault circuit breaker with cold temperature bimetal constriction
FR2295553A1 (en) * 1974-12-17 1976-07-16 Saparel Circuit breaker for consumer - uses single unit in multiple format with arc extinction and optional trips
DE2654373A1 (en) * 1976-12-01 1978-06-08 Licentia Gmbh ERROR CIRCUIT BREAKER COMBINED WITH A MULTIPOLE CIRCUIT BREAKER
FR2578093B1 (en) * 1985-02-27 1987-03-06 Merlin Gerin UNIPOLAR AND NEUTRAL DIFFERENTIAL CIRCUIT BREAKER

Also Published As

Publication number Publication date
EP0320928A2 (en) 1989-06-21
IT1223522B (en) 1990-09-19
EP0320928A3 (en) 1990-08-29

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