EP0400414A3 - Automatic circuit breaker particularly automatic cut-out - Google Patents

Automatic circuit breaker particularly automatic cut-out Download PDF

Info

Publication number
EP0400414A3
EP0400414A3 EP19900109428 EP90109428A EP0400414A3 EP 0400414 A3 EP0400414 A3 EP 0400414A3 EP 19900109428 EP19900109428 EP 19900109428 EP 90109428 A EP90109428 A EP 90109428A EP 0400414 A3 EP0400414 A3 EP 0400414A3
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
trip
automatic
trip device
arrangement
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.)
Granted
Application number
EP19900109428
Other languages
German (de)
French (fr)
Other versions
EP0400414B1 (en
EP0400414A2 (en
Inventor
Dieter Kropp
Gerhard Dr.-Ing. Scholz
Günter Dipl.-Ing Böker
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.)
AEG Niederspannungstechnik GmbH and Co KG
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of EP0400414A2 publication Critical patent/EP0400414A2/en
Publication of EP0400414A3 publication Critical patent/EP0400414A3/en
Application granted granted Critical
Publication of EP0400414B1 publication Critical patent/EP0400414B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7427—Adjusting only the electrothermal mechanism
    • 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
    • H01H71/7427—Adjusting only the electrothermal mechanism
    • H01H2071/7454—Adjusting only the electrothermal mechanism with adjustable axis of transmission lever between bimetal element and trip lever
    • 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

Landscapes

  • Breakers (AREA)
  • Keying Circuit Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Thermally Actuated Switches (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

2.1. In such circuit breakers, it is necessary to transmit the movement of a trip device by means of an intermediate element onto a locking point of the circuit breaker mechanism. In this arrangement, an adjustment capability must be provided in the transmission path for matching the trip device functions. The invention provides an adjusting device which is of simple construction and is non-interacting. 2.2. For this purpose, a trip lever (3), which can be rotated by a trip device (4), is arranged eccentrically such that it can pivot on an adjustable bearing body (2). By adjustment of the toothed bearing body (2), which is preferably arranged on the circumference side, by means of an adjusting tool (7), the trip lever (3), which acts on a latching pin (5) of the switch mechanism, can be set to predetermined nominal value functions. 2.3. The arrangement is especially suitable as an adjusting device for the thermal trip device of a power circuit breaker. <IMAGE>
EP90109428A 1989-05-27 1990-05-18 Automatic circuit breaker particularly automatic cut-out Expired - Lifetime EP0400414B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3917327 1989-05-27
DE3917327A DE3917327A1 (en) 1989-05-27 1989-05-27 SELF-SWITCHES, IN PARTICULAR CIRCUIT BREAKERS

Publications (3)

Publication Number Publication Date
EP0400414A2 EP0400414A2 (en) 1990-12-05
EP0400414A3 true EP0400414A3 (en) 1991-04-24
EP0400414B1 EP0400414B1 (en) 1994-12-21

Family

ID=6381537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90109428A Expired - Lifetime EP0400414B1 (en) 1989-05-27 1990-05-18 Automatic circuit breaker particularly automatic cut-out

Country Status (9)

Country Link
EP (1) EP0400414B1 (en)
AT (1) ATE116074T1 (en)
CZ (1) CZ281845B6 (en)
DD (1) DD294815A5 (en)
DE (2) DE3917327A1 (en)
ES (1) ES2065429T3 (en)
HR (1) HRP931371B1 (en)
PL (1) PL163238B1 (en)
YU (1) YU47796B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4040263A1 (en) * 1990-12-17 1992-06-25 Abb Patent Gmbh INSTALLATION DEVICE
DE19619295C2 (en) * 1996-05-13 2003-10-23 Siemens Ag Adjustment procedure for thermal overload releases
DE19653294A1 (en) * 1996-12-20 1998-06-25 Abb Patent Gmbh Tripping device for an electrical installation switch in the event of overcurrent
DE10064825A1 (en) * 2000-12-22 2002-07-04 Abb Patent Gmbh Adjuster for thermal trigger of installation switching device has sliding adjustment element with lateral edge in form of toothed rod that engages tool that inserted into device from broad side
FR2894382B1 (en) * 2005-12-06 2008-04-25 Schneider Electric Ind Sas ADJUSTABLE THERMAL ACTUATOR FOR CUTTING DEVICE

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE600061C (en) * 1928-02-24 1934-07-13 Schiele & Bruchsaleri Industri Calibration and setting device for thermal releases of overcurrent switches
DE708975C (en) * 1939-04-19 1941-08-02 Voigt & Haeffner Akt Ges Adjustable overcurrent release for electrical circuit breakers
CH235374A (en) * 1943-03-29 1944-11-30 Bbc Brown Boveri & Cie Arrangement for the tripping delay of bimetal releases when starting long-running motors.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE600061C (en) * 1928-02-24 1934-07-13 Schiele & Bruchsaleri Industri Calibration and setting device for thermal releases of overcurrent switches
DE708975C (en) * 1939-04-19 1941-08-02 Voigt & Haeffner Akt Ges Adjustable overcurrent release for electrical circuit breakers
CH235374A (en) * 1943-03-29 1944-11-30 Bbc Brown Boveri & Cie Arrangement for the tripping delay of bimetal releases when starting long-running motors.

Also Published As

Publication number Publication date
EP0400414B1 (en) 1994-12-21
ES2065429T3 (en) 1995-02-16
CS253790A3 (en) 1992-02-19
EP0400414A2 (en) 1990-12-05
ATE116074T1 (en) 1995-01-15
YU102490A (en) 1993-11-16
PL163238B1 (en) 1994-02-28
PL285329A1 (en) 1991-01-28
DD294815A5 (en) 1991-10-10
CZ281845B6 (en) 1997-02-12
YU47796B (en) 1996-01-09
DE59008056D1 (en) 1995-02-02
HRP931371B1 (en) 1999-08-31
DE3917327A1 (en) 1990-11-29
HRP931371A2 (en) 1995-02-28

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