ITFI930060A1 - DOUBLE BREAKING PROTECTION GROUP FOR ELECTRICAL SYSTEMS, WITH FUSE VALVE, ELECTROMAGNETIC COIL AND TIMER. - Google Patents

DOUBLE BREAKING PROTECTION GROUP FOR ELECTRICAL SYSTEMS, WITH FUSE VALVE, ELECTROMAGNETIC COIL AND TIMER.

Info

Publication number
ITFI930060A1
ITFI930060A1 IT000060A ITFI930060A ITFI930060A1 IT FI930060 A1 ITFI930060 A1 IT FI930060A1 IT 000060 A IT000060 A IT 000060A IT FI930060 A ITFI930060 A IT FI930060A IT FI930060 A1 ITFI930060 A1 IT FI930060A1
Authority
IT
Italy
Prior art keywords
timer
electromagnetic coil
protection group
electrical systems
breaking protection
Prior art date
Application number
IT000060A
Other languages
Italian (it)
Inventor
Rino Calzolari
Original Assignee
Rino Calzolari
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 Rino Calzolari filed Critical Rino Calzolari
Priority to ITFI930060A priority Critical patent/IT1262048B/en
Publication of ITFI930060A0 publication Critical patent/ITFI930060A0/en
Priority to EP94830139A priority patent/EP0617448A1/en
Publication of ITFI930060A1 publication Critical patent/ITFI930060A1/en
Application granted granted Critical
Publication of IT1262048B publication Critical patent/IT1262048B/en

Links

Classifications

    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/44—Automatic release mechanisms with or without manual release having means for introducing a predetermined time delay
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H01H33/121—Load break switches
    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/122—Automatic release mechanisms with or without manual release actuated by blowing of a fuse
ITFI930060A 1993-03-24 1993-03-24 DOUBLE BREAKING PROTECTION GROUP FOR ELECTRICAL SYSTEMS, WITH FUSE VALVE, ELECTROMAGNETIC COIL AND TIMER. IT1262048B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITFI930060A IT1262048B (en) 1993-03-24 1993-03-24 DOUBLE BREAKING PROTECTION GROUP FOR ELECTRICAL SYSTEMS, WITH FUSE VALVE, ELECTROMAGNETIC COIL AND TIMER.
EP94830139A EP0617448A1 (en) 1993-03-24 1994-03-24 Protection group with double interruption

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITFI930060A IT1262048B (en) 1993-03-24 1993-03-24 DOUBLE BREAKING PROTECTION GROUP FOR ELECTRICAL SYSTEMS, WITH FUSE VALVE, ELECTROMAGNETIC COIL AND TIMER.

Publications (3)

Publication Number Publication Date
ITFI930060A0 ITFI930060A0 (en) 1993-03-24
ITFI930060A1 true ITFI930060A1 (en) 1994-09-24
IT1262048B IT1262048B (en) 1996-06-18

Family

ID=11350392

Family Applications (1)

Application Number Title Priority Date Filing Date
ITFI930060A IT1262048B (en) 1993-03-24 1993-03-24 DOUBLE BREAKING PROTECTION GROUP FOR ELECTRICAL SYSTEMS, WITH FUSE VALVE, ELECTROMAGNETIC COIL AND TIMER.

Country Status (2)

Country Link
EP (1) EP0617448A1 (en)
IT (1) IT1262048B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19519168C1 (en) * 1995-05-24 1996-08-08 Felten & Guilleaume Energie Electrical load isolating-switch with fuse
DE102005017903A1 (en) * 2005-04-18 2006-10-19 Abb Technology Ag fuse assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB522303A (en) * 1939-06-08 1940-06-14 Gordon Spencer Marston Improvements in or relating to tripping devices for electric circuit breakers and switches
IT1193453B (en) * 1979-09-03 1988-06-22 Puntimatic Snc D Musiani Franc OVERCURRENT AND LACK OF PHASE DETECTOR DEVICE
US4297554A (en) * 1980-01-24 1981-10-27 G & W Electric Specialty Company Time delay switch mechanism

Also Published As

Publication number Publication date
IT1262048B (en) 1996-06-18
ITFI930060A0 (en) 1993-03-24
EP0617448A1 (en) 1994-09-28

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Legal Events

Date Code Title Description
0001 Granted