IE51320B1 - Circuit interrupter with digital trip unit and means to enter trip settings - Google Patents

Circuit interrupter with digital trip unit and means to enter trip settings

Info

Publication number
IE51320B1
IE51320B1 IE729/81A IE72981A IE51320B1 IE 51320 B1 IE51320 B1 IE 51320B1 IE 729/81 A IE729/81 A IE 729/81A IE 72981 A IE72981 A IE 72981A IE 51320 B1 IE51320 B1 IE 51320B1
Authority
IE
Ireland
Prior art keywords
value
trip
current
display
trip unit
Prior art date
Application number
IE729/81A
Other languages
English (en)
Other versions
IE810729L (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
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 IE810729L publication Critical patent/IE810729L/xx
Publication of IE51320B1 publication Critical patent/IE51320B1/en

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

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
IE729/81A 1980-04-15 1981-03-31 Circuit interrupter with digital trip unit and means to enter trip settings IE51320B1 (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
IE810729L IE810729L (en) 1981-10-15
IE51320B1 true IE51320B1 (en) 1986-12-10

Family

ID=26838284

Family Applications (1)

Application Number Title Priority Date Filing Date
IE729/81A IE51320B1 (en) 1980-04-15 1981-03-31 Circuit interrupter with digital trip unit and means to enter trip settings

Country Status (10)

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

Families Citing this family (10)

* 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
US4794484A (en) * 1987-02-20 1988-12-27 Westinghouse Electric Corp. Circuit interrupter apparatus with a style saving override circuit
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
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
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
LU93345B1 (de) * 2016-12-08 2018-06-08 Phoenix Contact Gmbh & Co Kg Intellectual Property Licenses & Standards Schutzanordnung von elektrischen Verbrauchern und deren Anschlussleitungen vor Überstrom

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
NZ196612A (en) 1985-03-20
IE810729L (en) 1981-10-15
DE3114548A1 (de) 1982-02-18
AU6873181A (en) 1981-10-22
IT1169239B (it) 1987-05-27
FR2480519B1 (fr) 1988-07-15
IT8121164A0 (it) 1981-04-14
FR2480519A1 (fr) 1981-10-16
CH659732A5 (de) 1987-02-13
GB2073972A (en) 1981-10-21
GB2073972B (en) 1983-09-28
MX149096A (es) 1983-08-24
DE3114548C2 (enrdf_load_stackoverflow) 1992-10-22
AU548557B2 (en) 1985-12-19
BR8102308A (pt) 1981-12-08

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Legal Events

Date Code Title Description
MM4A Patent lapsed