IT948990B - Perfezionamenti agli interruttori automatici con apertura ad inten sita e comando a bobina - Google Patents

Perfezionamenti agli interruttori automatici con apertura ad inten sita e comando a bobina

Info

Publication number
IT948990B
IT948990B IT67300/72A IT6730072A IT948990B IT 948990 B IT948990 B IT 948990B IT 67300/72 A IT67300/72 A IT 67300/72A IT 6730072 A IT6730072 A IT 6730072A IT 948990 B IT948990 B IT 948990B
Authority
IT
Italy
Prior art keywords
automatic switches
coil operation
intensity
opening
intensity opening
Prior art date
Application number
IT67300/72A
Other languages
English (en)
Italian (it)
Original Assignee
Perez R
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
Priority claimed from ES388017A external-priority patent/ES388017A1/es
Priority claimed from ES71392343A external-priority patent/ES392343A2/es
Application filed by Perez R filed Critical Perez R
Application granted granted Critical
Publication of IT948990B publication Critical patent/IT948990B/it

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/06—Details with automatic reconnection
    • H02H3/066—Reconnection being a consequence of eliminating the fault which caused disconnection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H81/00—Protective switches in which contacts are normally closed but are repeatedly opened and reclosed as long as a condition causing excess current persists, e.g. for current limiting
    • H01H81/02—Protective switches in which contacts are normally closed but are repeatedly opened and reclosed as long as a condition causing excess current persists, e.g. for current limiting electrothermally operated
IT67300/72A 1971-02-06 1972-02-02 Perfezionamenti agli interruttori automatici con apertura ad inten sita e comando a bobina IT948990B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES388017A ES388017A1 (es) 1971-02-06 1971-02-06 Mejoras en los interruptores automaticos de desenganche porintensidad y mando por bobina.
ES71392343A ES392343A2 (es) 1971-06-16 1971-06-16 Mejoras en los interruptores automaticos de desenganche porintensidad y mando por bobina.

Publications (1)

Publication Number Publication Date
IT948990B true IT948990B (it) 1973-06-11

Family

ID=26155805

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67300/72A IT948990B (it) 1971-02-06 1972-02-02 Perfezionamenti agli interruttori automatici con apertura ad inten sita e comando a bobina

Country Status (6)

Country Link
US (1) US3716757A (OSRAM)
CH (1) CH548106A (OSRAM)
DE (1) DE2127377B2 (OSRAM)
FR (1) FR2124367B1 (OSRAM)
GB (1) GB1356709A (OSRAM)
IT (1) IT948990B (OSRAM)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4692833A (en) * 1985-05-11 1987-09-08 Samhwa Electric Industrial Co. Safety device for communication equipment
US5633774A (en) * 1994-02-25 1997-05-27 Siemens Energy & Automation Inc Electronic overload relay power source
US6259996B1 (en) 1998-02-19 2001-07-10 Square D Company Arc fault detection system
US6242993B1 (en) 1995-03-13 2001-06-05 Square D Company Apparatus for use in arcing fault detection systems
US6377427B1 (en) 1995-03-13 2002-04-23 Square D Company Arc fault protected electrical receptacle
US6246556B1 (en) 1995-03-13 2001-06-12 Square D Company Electrical fault detection system
US6313641B1 (en) 1995-03-13 2001-11-06 Square D Company Method and system for detecting arcing faults and testing such system
US6532424B1 (en) 1995-03-13 2003-03-11 Square D Company Electrical fault detection circuit with dual-mode power supply
US5933308A (en) * 1997-11-19 1999-08-03 Square D Company Arcing fault protection system for a switchgear enclosure
US6625550B1 (en) 1998-02-19 2003-09-23 Square D Company Arc fault detection for aircraft
US6621669B1 (en) 1998-02-19 2003-09-16 Square D Company Arc fault receptacle with a feed-through connection
US6477021B1 (en) 1998-02-19 2002-11-05 Square D Company Blocking/inhibiting operation in an arc fault detection system
US6782329B2 (en) 1998-02-19 2004-08-24 Square D Company Detection of arcing faults using bifurcated wiring system
US6567250B1 (en) 1998-02-19 2003-05-20 Square D Company Arc fault protected device
US5966281A (en) * 1998-05-06 1999-10-12 Square D Company Circuit breaker with thermal sensing unit
US6275044B1 (en) 1998-07-15 2001-08-14 Square D Company Arcing fault detection system
US6218844B1 (en) 1998-12-16 2001-04-17 Square D Company Method and apparatus for testing an arcing fault circuit interrupter
US7068480B2 (en) 2001-10-17 2006-06-27 Square D Company Arc detection using load recognition, harmonic content and broadband noise
US7151656B2 (en) 2001-10-17 2006-12-19 Square D Company Arc fault circuit interrupter system
US7136265B2 (en) * 2001-10-17 2006-11-14 Square D Company Load recognition and series arc detection using bandpass filter signatures
US7253637B2 (en) 2005-09-13 2007-08-07 Square D Company Arc fault circuit interrupter system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2983806A (en) * 1958-12-31 1961-05-09 British Oxygen Co Ltd Cooling systems for electrical apparatus
US3141996A (en) * 1959-01-02 1964-07-21 Carrier Corp Thermal protector
US3165670A (en) * 1963-01-02 1965-01-12 Allis Chalmers Mfg Co Motor protective system
US3405380A (en) * 1965-12-06 1968-10-08 Mc Graw Edison Co Thermal relay having separate heater means to open or close the relay

Also Published As

Publication number Publication date
CH548106A (de) 1974-04-11
US3716757A (en) 1973-02-13
DE2127377A1 (OSRAM) 1972-05-25
FR2124367A1 (OSRAM) 1972-09-22
GB1356709A (en) 1974-06-12
DE2127377B2 (de) 1972-05-25
FR2124367B1 (OSRAM) 1977-04-01

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