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
Other languages
English (en)
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/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • H01H71/40Combined electrothermal and electromagnetic mechanisms
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/74Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7418Adjusting both electrothermal and electromagnetic mechanism
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H69/00Apparatus or processes for the manufacture of emergency protective devices
    • H01H69/01Apparatus or processes for the manufacture of emergency protective devices for calibrating or setting of devices to function under predetermined conditions
    • H01H2069/013Apparatus 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/74Means for adjusting the conditions under which the device will function to provide protection
    • H01H2071/7481Means 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 (it)
JP (1) JPS543319Y2 (it)
AR (1) AR201138A1 (it)
BE (1) BE812803A (it)
BR (1) BR7402411D0 (it)
CA (1) CA988973A (it)
DE (2) DE7410505U (it)
ES (1) ES424702A1 (it)
FR (1) FR2223822A1 (it)
GB (1) GB1461813A (it)
IT (1) IT1007668B (it)
ZA (1) ZA741666B (it)

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 (de) * 1988-03-22 1989-10-05 Siemens Ag Verfahren und vorrichtung zum justieren eines bimetallausloesers
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 (fr) * 2013-06-20 2015-07-17 Schneider Electric Ind Sas Declencheur et procede de fabrication d'un tel declencheur
KR101708545B1 (ko) * 2015-01-05 2017-02-21 엘에스산전 주식회사 배선용 차단기의 순시트립장치

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

Similar Documents

Publication Publication Date Title
ZA723674B (en) An improvements in or relating to ground fault interrupter apparatus
ZA734872B (en) An improvement in or relating to circuit breaker system
ZA745867B (en) An improvement in or relating to circuit breaker with handle indicating means
ZA734873B (en) An improvement in or relating to disposable circuit breaker
ZA744704B (en) An improvement in or relating to circuit breaker assembly with improved tripping mechanism
ZA712183B (en) An improvement in or relating to circuit breaker including improved overcurrent protective device
ZA741806B (en) Circuit interrupter protective device
AU470162B2 (en) Improvements in or relating to circuit breaker including improved overcurrent protective circuit
AU475448B2 (en) Improvements in or relating to circuit breaker including improved overcurrent protective device
ZA741666B (en) An improvement in or relating to circuit interrupter protective device
ZA732300B (en) Improvements in or relating to terminal member for circuit interrupter
ZA739345B (en) Circuit interrupter protective device
AU456927B2 (en) Improvements in or relating to circuit interrupter
ZA711875B (en) An improvement in or relating to fused circuit breaker
ZA712480B (en) An improvement in or relating to circuit breaker including improved overcurrent protective device
AU3537271A (en) Improvements in or relating to circuit interrupter
ZA755579B (en) An improvement in or relating to circuit breaker with improved trip means
ZA762506B (en) An improvement in or relating to circuit breaker
CA984499A (en) Circuit breaker including improved protective device
ZA731151B (en) An improvement in or relating to fused circuit breaker
ZA75860B (en) An improvement in or relating to electric circuit breakers
AU484232B2 (en) Improvements in or relating to circuit breaker including improved protective device
AU490028B2 (en) improvements IN OR RELATING TO CIRCUIT INTERRUPTER PROTECTIVE DEVICE
AU490029B2 (en) Improvements in or relating to circuit interrupter trip device
ZA743075B (en) Improvements in or relating to electrical switchgear apparatus