CA988973A - Circuit interrupter protective device - Google Patents

Circuit interrupter protective device

Info

Publication number
CA988973A
CA988973A CA194,821A CA194821A CA988973A CA 988973 A CA988973 A CA 988973A CA 194821 A CA194821 A CA 194821A CA 988973 A CA988973 A CA 988973A
Authority
CA
Canada
Prior art keywords
protective device
circuit interrupter
interrupter protective
circuit
protective
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA194,821A
Inventor
William I. Stephenson (Jr.)
Alfred E. Maier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CBS Corp
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 CA988973A publication Critical patent/CA988973A/en
Expired legal-status Critical Current

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
CA194,821A 1973-03-27 1974-03-13 Circuit interrupter protective device Expired CA988973A (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
CA988973A true CA988973A (en) 1976-05-11

Family

ID=23354867

Family Applications (1)

Application Number Title Priority Date Filing Date
CA194,821A Expired CA988973A (en) 1973-03-27 1974-03-13 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) DE7410505U (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
ZA741666B (en) 1975-02-26
AU6693274A (en) 1975-09-25
FR2223822A1 (en) 1974-10-25
BR7402411D0 (en) 1974-11-19
GB1461813A (en) 1977-01-19
JPS543319Y2 (en) 1979-02-15
IT1007668B (en) 1976-10-30
BE812803A (en) 1974-09-25
JPS49149259U (en) 1974-12-24
US3815064A (en) 1974-06-04
DE2414512A1 (en) 1974-10-10
DE7410505U (en) 1974-07-18
ES424702A1 (en) 1976-06-16
AR201138A1 (en) 1975-02-14

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