GB2073972B - Circuit interrupter with means to enter trip settings - Google Patents

Circuit interrupter with means to enter trip settings

Info

Publication number
GB2073972B
GB2073972B GB8111107A GB8111107A GB2073972B GB 2073972 B GB2073972 B GB 2073972B GB 8111107 A GB8111107 A GB 8111107A GB 8111107 A GB8111107 A GB 8111107A GB 2073972 B GB2073972 B GB 2073972B
Authority
GB
United Kingdom
Prior art keywords
circuit interrupter
enter trip
trip settings
settings
enter
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
GB8111107A
Other languages
English (en)
Other versions
GB2073972A (en
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
Priority claimed from US06/140,558 external-priority patent/US4331997A/en
Priority claimed from US06/140,553 external-priority patent/US4351012A/en
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB2073972A publication Critical patent/GB2073972A/en
Application granted granted Critical
Publication of GB2073972B publication Critical patent/GB2073972B/en
Expired legal-status Critical Current

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
    • H02H3/006—Calibration or setting of parameters
    • 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
    • H01H2071/006—Provisions for user interfaces for electrical protection devices
GB8111107A 1980-04-15 1981-04-09 Circuit interrupter with means to enter trip settings Expired GB2073972B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/140,558 US4331997A (en) 1980-04-15 1980-04-15 Circuit interrupter with digital trip unit and potentiometers for parameter entry
US06/140,553 US4351012A (en) 1980-04-15 1980-04-15 Circuit interrupter with digital trip unit and means to enter trip settings

Publications (2)

Publication Number Publication Date
GB2073972A GB2073972A (en) 1981-10-21
GB2073972B true GB2073972B (en) 1983-09-28

Family

ID=26838284

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8111107A Expired GB2073972B (en) 1980-04-15 1981-04-09 Circuit interrupter with means to enter trip settings

Country Status (10)

Country Link
AU (1) AU548557B2 (fr)
BR (1) BR8102308A (fr)
CH (1) CH659732A5 (fr)
DE (1) DE3114548A1 (fr)
FR (1) FR2480519B1 (fr)
GB (1) GB2073972B (fr)
IE (1) IE51320B1 (fr)
IT (1) IT1169239B (fr)
MX (1) MX149096A (fr)
NZ (1) NZ196612A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2578113B1 (fr) * 1985-02-25 1988-04-15 Merlin Gerin Declencheur statique numerique a fonctions optionnelles pour un disjoncteur electrique
US4751606A (en) * 1987-02-20 1988-06-14 Westinghouse Electric Corp. Circuit interrupter apparatus with a battery backup and reset circuit
US4752853A (en) * 1987-02-20 1988-06-21 Westinghouse Electric Corp. Circuit interrupter apparatus with an integral trip curve display
US4809125A (en) * 1987-02-20 1989-02-28 Westinghouse Electric Corp. Circuit interrupter apparatus with a style saving rating plug
US4827369A (en) * 1987-02-20 1989-05-02 Westinghouse Electric Corp. Circuit interrupter apparatus with a selectable display means
US4794484A (en) * 1987-02-20 1988-12-27 Westinghouse Electric Corp. Circuit interrupter apparatus with a style saving override circuit
US4870531A (en) * 1988-08-15 1989-09-26 General Electric Company Circuit breaker with removable display and keypad
DE3910718A1 (de) * 1989-04-03 1990-10-04 Siemens Ag Ueberwachungsgeraet mit schaltvorrichtung
DE102005046925A1 (de) * 2005-09-30 2007-04-19 Siemens Ag Schaltgerät zum Schalten mindestens eines Stromes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2020124B (en) * 1978-04-27 1982-08-25 Tokyo Shibaura Electric Co Overcurrent protection
JPS55127821A (en) * 1979-03-27 1980-10-03 Tokyo Shibaura Electric Co Digital protection relay unit

Also Published As

Publication number Publication date
AU6873181A (en) 1981-10-22
NZ196612A (en) 1985-03-20
FR2480519B1 (fr) 1988-07-15
GB2073972A (en) 1981-10-21
DE3114548A1 (de) 1982-02-18
IE51320B1 (en) 1986-12-10
MX149096A (es) 1983-08-24
IE810729L (en) 1981-10-15
DE3114548C2 (fr) 1992-10-22
FR2480519A1 (fr) 1981-10-16
IT8121164A0 (it) 1981-04-14
BR8102308A (pt) 1981-12-08
IT1169239B (it) 1987-05-27
AU548557B2 (en) 1985-12-19
CH659732A5 (de) 1987-02-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970409