EP0371416A3 - Thermal relay - Google Patents

Thermal relay Download PDF

Info

Publication number
EP0371416A3
EP0371416A3 EP19890121794 EP89121794A EP0371416A3 EP 0371416 A3 EP0371416 A3 EP 0371416A3 EP 19890121794 EP19890121794 EP 19890121794 EP 89121794 A EP89121794 A EP 89121794A EP 0371416 A3 EP0371416 A3 EP 0371416A3
Authority
EP
European Patent Office
Prior art keywords
auxiliary switch
bimetal
operating elements
triggers
transmission device
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
EP19890121794
Other languages
German (de)
French (fr)
Other versions
EP0371416A2 (en
EP0371416B1 (en
Inventor
Karl Dipl.-Ing. Lieber
Georg Dipl.-Ing. Kohnen
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.)
Eaton Industries GmbH
Original Assignee
Kloeckner Moeller Elektrizitaets GmbH
Kloeckner Moeller 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 Kloeckner Moeller Elektrizitaets GmbH, Kloeckner Moeller GmbH filed Critical Kloeckner Moeller Elektrizitaets GmbH
Publication of EP0371416A2 publication Critical patent/EP0371416A2/en
Publication of EP0371416A3 publication Critical patent/EP0371416A3/en
Application granted granted Critical
Publication of EP0371416B1 publication Critical patent/EP0371416B1/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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • H01H71/162—Electrothermal mechanisms with bimetal element with compensation for ambient temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being unbalance of two or more currents or voltages
    • H01H83/223—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being unbalance of two or more currents or voltages with bimetal elements
    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H2071/109—Operating or release mechanisms with provisions for selecting between automatic or manual reset

Abstract

The invention relates to a thermal relay having bimetal triggers, mounted in a housing with at least one side which can be closed off by means of a lid, and an auxiliary switch with switching rocker and a multi-part transmission device responding to the bimetal deflection, actuating the auxiliary switch and having a compensation bimetal rod for the ambient temperature, as well as operating elements in the form of an adjustment member for the current by changing the triggering path of the bimetal triggers, of a test member for testing the switching function of the auxiliary switch and of an operating member for the resetting of the auxiliary switch into the initial position manually or automatically, all the operating elements (600, 620, 650) being fastened on a carrier plate (60) which can be pushed together with the operating elements into the housing equipped with the auxiliary switch components, the transmission device and the bimetal triggers from the side which can be closed off by means of the removable lid (13). <IMAGE>
EP89121794A 1988-11-28 1989-11-25 Thermal relay Expired - Lifetime EP0371416B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3840063 1988-11-28
DE3840063A DE3840063A1 (en) 1988-11-28 1988-11-28 THERMAL RELAY

Publications (3)

Publication Number Publication Date
EP0371416A2 EP0371416A2 (en) 1990-06-06
EP0371416A3 true EP0371416A3 (en) 1991-06-05
EP0371416B1 EP0371416B1 (en) 1995-01-25

Family

ID=6368008

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89121794A Expired - Lifetime EP0371416B1 (en) 1988-11-28 1989-11-25 Thermal relay

Country Status (4)

Country Link
EP (1) EP0371416B1 (en)
AT (1) ATE117833T1 (en)
DE (2) DE3840063A1 (en)
ES (1) ES2068231T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007144049A1 (en) * 2006-06-14 2007-12-21 Moeller Gmbh Thermal overload trip for a multi-pole electrical switching device
EP2551885A1 (en) 2011-07-28 2013-01-30 Eaton Industries GmbH Excess temperature protection device for an electric protective switch device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH479950A (en) * 1967-08-23 1969-10-15 Siemens Ag Electric circuit breaker
GB2096396A (en) * 1981-04-02 1982-10-13 Sace Spa Electric switch
EP0110758A1 (en) * 1982-11-25 1984-06-13 Telemecanique Thermal relay

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2262387C3 (en) * 1972-12-20 1978-08-31 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Thermal overcurrent switch
DE3305646C2 (en) * 1982-06-22 1986-07-24 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Thermal overcurrent relay

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH479950A (en) * 1967-08-23 1969-10-15 Siemens Ag Electric circuit breaker
GB2096396A (en) * 1981-04-02 1982-10-13 Sace Spa Electric switch
EP0110758A1 (en) * 1982-11-25 1984-06-13 Telemecanique Thermal relay

Also Published As

Publication number Publication date
ES2068231T3 (en) 1995-04-16
DE3840063A1 (en) 1990-05-31
DE3840063C2 (en) 1990-10-18
EP0371416A2 (en) 1990-06-06
EP0371416B1 (en) 1995-01-25
ATE117833T1 (en) 1995-02-15
DE58908938D1 (en) 1995-03-09

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