EP0902453A3 - Device for adjusting a thermal tripping device, particularly for a circuit breaker - Google Patents

Device for adjusting a thermal tripping device, particularly for a circuit breaker Download PDF

Info

Publication number
EP0902453A3
EP0902453A3 EP98113767A EP98113767A EP0902453A3 EP 0902453 A3 EP0902453 A3 EP 0902453A3 EP 98113767 A EP98113767 A EP 98113767A EP 98113767 A EP98113767 A EP 98113767A EP 0902453 A3 EP0902453 A3 EP 0902453A3
Authority
EP
European Patent Office
Prior art keywords
adjusting
circuit breaker
thermal tripping
lever
thermal
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
EP98113767A
Other languages
German (de)
French (fr)
Other versions
EP0902453A2 (en
EP0902453B1 (en
Inventor
Rolf Dipl.-Ing. Goehle
Volker Schmitt
Klaus-Peter Dipl.-Ing. Eppe
Ralf Dipl.-Ing. Weber
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.)
ABB Patent GmbH
Original Assignee
ABB Patent 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 ABB Patent GmbH filed Critical ABB Patent GmbH
Publication of EP0902453A2 publication Critical patent/EP0902453A2/en
Publication of EP0902453A3 publication Critical patent/EP0902453A3/en
Application granted granted Critical
Publication of EP0902453B1 publication Critical patent/EP0902453B1/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

Abstract

The thermal overload device for a power switch has an electromagnetic actuator (11) that is triggered by a thermal release stage. The latter is in the form of a bimetallic element (12) that moves a sliding element. The operating point is determined by a lever (27) that is moved by a screw (23) which causes the lever to displace the slide element.
EP98113767A 1997-09-11 1998-07-23 Device for adjusting a thermal tripping device, particularly for a circuit breaker Expired - Lifetime EP0902453B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19739821A DE19739821A1 (en) 1997-09-11 1997-09-11 Device for adjusting a thermal release, in particular for a circuit breaker
DE19739821 1997-09-11

Publications (3)

Publication Number Publication Date
EP0902453A2 EP0902453A2 (en) 1999-03-17
EP0902453A3 true EP0902453A3 (en) 1999-11-24
EP0902453B1 EP0902453B1 (en) 2005-11-23

Family

ID=7841927

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98113767A Expired - Lifetime EP0902453B1 (en) 1997-09-11 1998-07-23 Device for adjusting a thermal tripping device, particularly for a circuit breaker

Country Status (3)

Country Link
EP (1) EP0902453B1 (en)
AT (1) ATE311015T1 (en)
DE (2) DE19739821A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19938965A1 (en) * 1999-08-17 2001-02-22 Abb Patent Gmbh Tripping device for an electrical installation switch

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR669531A (en) * 1928-02-13 1929-11-18 Schiele & Bruchsaler Ind Method and device for the calibration and adjustment of overload circuit breakers
DE2717116A1 (en) * 1977-04-19 1978-10-26 Hundt & Weber Polyphase power switch with thermal trip - has release bar operated by bimetallic strips and mechanically connected to switching=off lever
FR2581243A1 (en) * 1985-04-27 1986-10-31 Licentia Gmbh Magnetic and thermal circuit breaker switch
EP0258124A1 (en) * 1986-08-14 1988-03-02 Telemecanique Adjusting device for the thermal current of a bimetal thermal tripping device, and protective switch having such a device

Family Cites Families (1)

* 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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR669531A (en) * 1928-02-13 1929-11-18 Schiele & Bruchsaler Ind Method and device for the calibration and adjustment of overload circuit breakers
DE2717116A1 (en) * 1977-04-19 1978-10-26 Hundt & Weber Polyphase power switch with thermal trip - has release bar operated by bimetallic strips and mechanically connected to switching=off lever
FR2581243A1 (en) * 1985-04-27 1986-10-31 Licentia Gmbh Magnetic and thermal circuit breaker switch
EP0258124A1 (en) * 1986-08-14 1988-03-02 Telemecanique Adjusting device for the thermal current of a bimetal thermal tripping device, and protective switch having such a device

Also Published As

Publication number Publication date
DE19739821A1 (en) 1999-03-18
EP0902453A2 (en) 1999-03-17
DE59813214D1 (en) 2005-12-29
EP0902453B1 (en) 2005-11-23
ATE311015T1 (en) 2005-12-15

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