ZA741666B - An improvement in or relating to circuit interrupter protective device - Google Patents

An improvement in or relating to circuit interrupter protective device

Info

Publication number
ZA741666B
ZA741666B ZA00741666A ZA741666A ZA741666B ZA 741666 B ZA741666 B ZA 741666B ZA 00741666 A ZA00741666 A ZA 00741666A ZA 741666 A ZA741666 A ZA 741666A ZA 741666 B ZA741666 B ZA 741666B
Authority
ZA
South Africa
Prior art keywords
relating
improvement
protective device
circuit interrupter
interrupter protective
Prior art date
Application number
ZA00741666A
Inventor
A Maier
W Stephenson
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
Publication of ZA741666B publication Critical patent/ZA741666B/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
    • H01H71/40—Combined electrothermal and electromagnetic mechanisms
    • 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
    • H01H71/7418—Adjusting both electrothermal and electromagnetic mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
    • H01H69/01—Apparatus or processes for the manufacture of emergency protective devices for calibrating or setting of devices to function under predetermined conditions
    • H01H2069/013—Apparatus or processes for the manufacture of emergency protective devices for calibrating or setting of devices to function under predetermined conditions with calibrating screws in trip bar
    • 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
    • H01H2071/7481—Means for adjusting the conditions under which the device will function to provide protection with indexing means for magnetic or thermal tripping adjustment knob

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
ZA00741666A 1973-03-27 1974-03-13 An improvement in or relating to circuit interrupter protective device ZA741666B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00345394A US3815064A (en) 1973-03-27 1973-03-27 Circuit interrupter protective device

Publications (1)

Publication Number Publication Date
ZA741666B true ZA741666B (en) 1975-02-26

Family

ID=23354867

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00741666A ZA741666B (en) 1973-03-27 1974-03-13 An improvement in or relating to circuit interrupter protective device

Country Status (12)

Country Link
US (1) US3815064A (en)
JP (1) JPS543319Y2 (en)
AR (1) AR201138A1 (en)
BE (1) BE812803A (en)
BR (1) BR7402411D0 (en)
CA (1) CA988973A (en)
DE (2) DE2414512A1 (en)
ES (1) ES424702A1 (en)
FR (1) FR2223822A1 (en)
GB (1) GB1461813A (en)
IT (1) IT1007668B (en)
ZA (1) ZA741666B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201901A (en) * 1978-03-20 1980-05-06 Amana Refrigeration, Inc. Adjustable safety interlock for microwave ovens
US4691182A (en) * 1986-04-30 1987-09-01 Westinghouse Electric Corp. Circuit breaker with adjustable magnetic trip unit
US4719438A (en) 1986-09-30 1988-01-12 Westinghouse Electric Corp. Circuit breaker with fast trip unit
DE3810043A1 (en) * 1988-03-22 1989-10-05 Siemens Ag METHOD AND DEVICE FOR ADJUSTING A BIMETAL TRIGGER
US4922220A (en) * 1989-03-22 1990-05-01 Westinghouse Electric Corp. Adjustable circuit breaker thermal trip unit
US6104273A (en) * 1999-06-09 2000-08-15 General Electric Company Calibration assembly and process for use in a circuit protective device
US6667675B2 (en) 2002-05-01 2003-12-23 Eaton Corporation Adjustable magnetic trip assembly for circuit breaker
US20090115556A1 (en) * 2007-11-05 2009-05-07 Square D Company Divided adjustable armature for a circuit breaker
FR3007573B1 (en) * 2013-06-20 2015-07-17 Schneider Electric Ind Sas TRIGGER AND METHOD FOR MANUFACTURING SUCH TRIGGER
KR101708545B1 (en) * 2015-01-05 2017-02-21 엘에스산전 주식회사 Instant trip apparatus of molded case circuit breaker

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3593234A (en) * 1970-02-09 1971-07-13 Cutler Hammer Inc Trip adjustment means for instantaneous trip circuit breaker

Also Published As

Publication number Publication date
IT1007668B (en) 1976-10-30
GB1461813A (en) 1977-01-19
DE2414512A1 (en) 1974-10-10
JPS49149259U (en) 1974-12-24
DE7410505U (en) 1974-07-18
ES424702A1 (en) 1976-06-16
BR7402411D0 (en) 1974-11-19
AU6693274A (en) 1975-09-25
US3815064A (en) 1974-06-04
FR2223822A1 (en) 1974-10-25
BE812803A (en) 1974-09-25
CA988973A (en) 1976-05-11
AR201138A1 (en) 1975-02-14
JPS543319Y2 (en) 1979-02-15

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