IT1104778B - Interruttore di circuito regolabile termicamente - Google Patents

Interruttore di circuito regolabile termicamente

Info

Publication number
IT1104778B
IT1104778B IT20708/77A IT2070877A IT1104778B IT 1104778 B IT1104778 B IT 1104778B IT 20708/77 A IT20708/77 A IT 20708/77A IT 2070877 A IT2070877 A IT 2070877A IT 1104778 B IT1104778 B IT 1104778B
Authority
IT
Italy
Prior art keywords
circuit breaker
adjustable circuit
thermally adjustable
thermally
breaker
Prior art date
Application number
IT20708/77A
Other languages
English (en)
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of IT1104778B publication Critical patent/IT1104778B/it

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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7427—Adjusting only the electrothermal mechanism
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/522—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism
    • H01H71/525—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism comprising a toggle between cradle and contact arm and mechanism spring acting between handle and toggle knee
IT20708/77A 1976-02-26 1977-02-25 Interruttore di circuito regolabile termicamente IT1104778B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/661,592 US4030060A (en) 1976-02-26 1976-02-26 Thermally adjustable circuit breaker

Publications (1)

Publication Number Publication Date
IT1104778B true IT1104778B (it) 1985-10-28

Family

ID=24654254

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20708/77A IT1104778B (it) 1976-02-26 1977-02-25 Interruttore di circuito regolabile termicamente

Country Status (17)

Country Link
US (1) US4030060A (it)
JP (1) JPS52113373U (it)
AR (1) AR214874A1 (it)
AU (1) AU500425B2 (it)
BE (1) BE851668A (it)
BR (1) BR7701172A (it)
CH (1) CH613811A5 (it)
DE (1) DE2706742A1 (it)
ES (1) ES456286A1 (it)
FR (1) FR2342551A1 (it)
GB (1) GB1557838A (it)
IT (1) IT1104778B (it)
MX (1) MX4157E (it)
NZ (1) NZ183314A (it)
PH (1) PH12574A (it)
PL (1) PL120393B1 (it)
ZA (1) ZA77694B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2717115A1 (de) * 1977-04-19 1978-10-26 Hundt & Weber Kompaktleistungsschalter
US4698606A (en) * 1986-06-20 1987-10-06 Westinghouse Electric Corp. Circuit breaker with adjustable thermal trip unit
GB2205998B (en) * 1987-05-19 1991-03-13 Crabtree Electrical Ind Ltd Temperature responsive devices
US5278373A (en) * 1991-10-18 1994-01-11 Square D Company Current limiting circuit breaker
IT1275643B1 (it) * 1994-10-18 1997-10-17 Bticino Spa Interruttore magnetotermico con taratura meccanica di protezione termica e relativo metodo di taratura
AT404647B (de) * 1996-02-26 1999-01-25 Felten & Guilleaume Ag Oester Elektrischer schutzschalter
IT1302051B1 (it) * 1998-09-08 2000-07-20 Gewiss Spa Interruttore elettrico magnetotermico.
FR3030871B1 (fr) * 2014-12-17 2019-05-10 Schneider Electric Industries Sas Dispositif de declenchement thermique pour un disjoncteur basse tension et disjoncteur comportant un tel dispositif

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL49729C (it) * 1938-03-05
DE854817C (de) * 1951-07-29 1952-11-06 Kloeckner Moeller Elek Zitaets UEberstrom-Waermezeitrelais
DE1067514B (de) * 1955-10-15 1959-10-22 Calor Emag Elektrizitaets Ag Ausloeseeinrichtung fuer mehrpolige Leistungs-Selbstschalter
US3460075A (en) 1967-03-07 1969-08-05 Westinghouse Electric Corp Circuit breaker with improved latch and trip structures
US3758887A (en) * 1968-02-06 1973-09-11 Westinghouse Electric Corp Multi-pole circuit breaker with single trip adjustment for all poles
DE1638043A1 (de) * 1968-03-08 1972-01-05 Hundt & Weber Ein Schaltschloss aufweisender Leistungsschalter
JPS4945051B1 (it) * 1970-01-12 1974-12-02
GB1351876A (en) * 1972-04-10 1974-05-01 Canadian Ind Packaging apparatus
US3949331A (en) * 1974-05-15 1976-04-06 Westinghouse Electric Corporation Circuit breaker with adjustable thermal trip unit
US3950714A (en) * 1974-09-18 1976-04-13 Westinghouse Electric Corporation Self-adjusting circuit breaker with rotating trip assembly
US3950717A (en) * 1975-02-21 1976-04-13 Westinghouse Electric Corporation Multi-pole circuit breaker with adjustable thermal trip unit
FR2356262A1 (fr) * 1976-06-24 1978-01-20 Simplex Appareils Declencheur a dispositif de surcharge pour disjoncteur basse tension

Also Published As

Publication number Publication date
GB1557838A (en) 1979-12-12
ES456286A1 (es) 1978-05-01
BE851668A (fr) 1977-08-22
AR214874A1 (es) 1979-08-15
CH613811A5 (it) 1979-10-15
AU2238077A (en) 1978-08-24
MX4157E (es) 1982-01-13
ZA77694B (en) 1977-12-28
FR2342551B1 (it) 1982-01-08
JPS52113373U (it) 1977-08-29
FR2342551A1 (fr) 1977-09-23
DE2706742A1 (de) 1977-09-01
PL120393B1 (en) 1982-02-27
PH12574A (en) 1979-06-20
BR7701172A (pt) 1977-10-18
AU500425B2 (en) 1979-05-24
NZ183314A (en) 1979-10-25
US4030060A (en) 1977-06-14

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