ZA895071B - Switch with pre-alarm means - Google Patents

Switch with pre-alarm means

Info

Publication number
ZA895071B
ZA895071B ZA895071A ZA895071A ZA895071B ZA 895071 B ZA895071 B ZA 895071B ZA 895071 A ZA895071 A ZA 895071A ZA 895071 A ZA895071 A ZA 895071A ZA 895071 B ZA895071 B ZA 895071B
Authority
ZA
South Africa
Prior art keywords
switch
alarm means
alarm
Prior art date
Application number
ZA895071A
Other languages
English (en)
Inventor
Kazuhiro Ishii
Ishii Kazuhiro
Kenzi Kimura
Kimura Kenzi
Original Assignee
Mitsubishi 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
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of ZA895071B publication Critical patent/ZA895071B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/12—Means for indicating condition of the switch
    • H01H73/14—Indicating lamp structurally associated with the switch
    • 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
    • H01H71/04—Means for indicating condition of the switching device
    • 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
    • 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
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
ZA895071A 1988-07-07 1989-07-04 Switch with pre-alarm means ZA895071B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63167686A JP2957583B2 (ja) 1988-07-07 1988-07-07 事前警報装置付遮断器

Publications (1)

Publication Number Publication Date
ZA895071B true ZA895071B (en) 1990-04-25

Family

ID=15854350

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA895071A ZA895071B (en) 1988-07-07 1989-07-04 Switch with pre-alarm means

Country Status (5)

Country Link
EP (1) EP0349930B1 (de)
JP (1) JP2957583B2 (de)
KR (1) KR910008186B1 (de)
DE (1) DE68919284T2 (de)
ZA (1) ZA895071B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1007471A5 (fr) * 1993-09-08 1995-07-11 Teco Sa Module de controle electronique d'un disjoncteur.
EP0898349A1 (de) * 1997-08-16 1999-02-24 Asomatic AG Stromüberwachungsvorrichtung und Verfahren zur Stromüberwachung
KR100389500B1 (ko) * 2000-12-23 2003-06-25 김용학 전자개폐기
SG189581A1 (en) * 2011-10-21 2013-05-31 Schneider Electric South East Asia Hq Pte Ltd A relay with an intermediate alert mechanism
CN103439654A (zh) * 2013-09-17 2013-12-11 武汉大学 一种高压直流开关状态检测方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5192657A (de) * 1975-02-12 1976-08-13
IT1128668B (it) * 1980-07-29 1986-06-04 Bruno Basini Indicatore elettronico della corrente assorbita espressa in valore percentuale rispetto ad un limite prefissato superando il quale si attiva un allarme acustico
FR2497013A1 (fr) * 1980-12-19 1982-06-25 Merlin Gerin Dispositif de delestage d'une installation electrique basse tension
JPS5944133U (ja) * 1982-09-13 1984-03-23 武井　健治 異常電流検出装置
FR2564648B1 (fr) * 1984-05-21 1989-10-13 Merlin Gerin Disjoncteur a declencheur electronique et a calibres multiples
DE3501353A1 (de) * 1985-01-17 1986-07-17 Greiwe, Hermann Geraet zur feststellung eines fehlerstroms
JPS61172396U (de) * 1985-04-11 1986-10-25
FR2584877A1 (fr) * 1985-07-29 1987-01-16 Gen Electric Circuit de reglage des fonctions de declenchement d'un disjoncteur electronique
JPS62180823U (de) * 1986-05-07 1987-11-17
JPS63209422A (ja) * 1987-02-24 1988-08-31 オムロン株式会社 電子式サ−マルリレ−

Also Published As

Publication number Publication date
KR910008186B1 (ko) 1991-10-10
JPH0223018A (ja) 1990-01-25
KR900002375A (ko) 1990-02-28
EP0349930B1 (de) 1994-11-09
EP0349930A3 (en) 1990-08-08
DE68919284D1 (de) 1994-12-15
EP0349930A2 (de) 1990-01-10
JP2957583B2 (ja) 1999-10-04
DE68919284T2 (de) 1995-04-06

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