DE3114548C2 - - Google Patents

Info

Publication number
DE3114548C2
DE3114548C2 DE3114548A DE3114548A DE3114548C2 DE 3114548 C2 DE3114548 C2 DE 3114548C2 DE 3114548 A DE3114548 A DE 3114548A DE 3114548 A DE3114548 A DE 3114548A DE 3114548 C2 DE3114548 C2 DE 3114548C2
Authority
DE
Germany
Prior art keywords
current
value
display
voltage
circuit
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 - Lifetime
Application number
DE3114548A
Other languages
German (de)
English (en)
Other versions
DE3114548A1 (de
Inventor
Robert T. Elms
Joseph C. Monroeville Pa. Us Engel
Bernard J. Pittsburgh Pa. Us Mercier
Gary F. Irwin Pa. Us Saletta
John T. Wilson
Joseph J. Beaver Pa. Us Matsko
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.)
Westinghouse Electric 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 US06/140,553 external-priority patent/US4351012A/en
Priority claimed from US06/140,558 external-priority patent/US4331997A/en
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of DE3114548A1 publication Critical patent/DE3114548A1/de
Application granted granted Critical
Publication of DE3114548C2 publication Critical patent/DE3114548C2/de
Granted 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

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
DE19813114548 1980-04-15 1981-04-10 "trennschalter mit digitaler ausloeseeinheit und eingabeeinrichtung zum eingeben von ausloese-einstellwerten" Granted DE3114548A1 (de)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
DE3114548A1 DE3114548A1 (de) 1982-02-18
DE3114548C2 true DE3114548C2 (cs) 1992-10-22

Family

ID=26838284

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813114548 Granted DE3114548A1 (de) 1980-04-15 1981-04-10 "trennschalter mit digitaler ausloeseeinheit und eingabeeinrichtung zum eingeben von ausloese-einstellwerten"

Country Status (10)

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

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
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
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
IE810729L (en) 1981-10-15
GB2073972B (en) 1983-09-28
BR8102308A (pt) 1981-12-08
GB2073972A (en) 1981-10-21
FR2480519B1 (fr) 1988-07-15
MX149096A (es) 1983-08-24
NZ196612A (en) 1985-03-20
FR2480519A1 (fr) 1981-10-16
IE51320B1 (en) 1986-12-10
DE3114548A1 (de) 1982-02-18
CH659732A5 (de) 1987-02-13
AU6873181A (en) 1981-10-22
IT1169239B (it) 1987-05-27
AU548557B2 (en) 1985-12-19
IT8121164A0 (it) 1981-04-14

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee