ZA885918B - Trip control apparatus of circuit breaker - Google Patents

Trip control apparatus of circuit breaker

Info

Publication number
ZA885918B
ZA885918B ZA885918A ZA885918A ZA885918B ZA 885918 B ZA885918 B ZA 885918B ZA 885918 A ZA885918 A ZA 885918A ZA 885918 A ZA885918 A ZA 885918A ZA 885918 B ZA885918 B ZA 885918B
Authority
ZA
South Africa
Prior art keywords
control apparatus
circuit breaker
trip control
trip
breaker
Prior art date
Application number
ZA885918A
Other languages
English (en)
Inventor
Kazuhiro Ishii
Yoshihiro Hatakeyama
Kazushi Sato
Akira Takao
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 ZA885918B publication Critical patent/ZA885918B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
    • 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
    • H02H3/24—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 responsive to undervoltage or no-voltage

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
ZA885918A 1987-09-14 1988-08-11 Trip control apparatus of circuit breaker ZA885918B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987140598U JPH082918Y2 (ja) 1987-09-14 1987-09-14 しゃ断器の不足電圧引はずし制御装置

Publications (1)

Publication Number Publication Date
ZA885918B true ZA885918B (en) 1989-05-30

Family

ID=15272424

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA885918A ZA885918B (en) 1987-09-14 1988-08-11 Trip control apparatus of circuit breaker

Country Status (6)

Country Link
US (1) US4901184A (de)
EP (1) EP0307842B1 (de)
JP (1) JPH082918Y2 (de)
KR (1) KR910002728Y1 (de)
DE (1) DE3886637T2 (de)
ZA (1) ZA885918B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5212617A (en) * 1989-12-29 1993-05-18 Robert Bosch Gmbh Circuit for compensating very fast current fluctuations
US5335132A (en) * 1991-06-17 1994-08-02 Harris Corporation Overvoltage sensor with hysteresis
KR20120071537A (ko) * 2010-12-23 2012-07-03 엘에스산전 주식회사 배선용 차단기의 트립 장치

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3749944A (en) * 1971-08-19 1973-07-31 Westinghouse Electric Corp Undervoltage sensing circuit
US3772568A (en) * 1972-09-14 1973-11-13 Chafin G Low voltage appliance protector
US4061518A (en) * 1974-07-01 1977-12-06 Harold C. Hohbach Method for making an article having replicated coating with durable dielectric overcoat
US3936701A (en) * 1974-08-29 1976-02-03 Westinghouse Electric Corporation Timing circuit for electronic undervoltage detecting device and latch
JPS5812829B2 (ja) * 1976-04-28 1983-03-10 株式会社日立製作所 直流回路の保護装置
DE2731848C2 (de) * 1977-07-14 1985-06-20 Metrawatt GmbH, 8500 Nürnberg Schutzschaltung für batteriegespeiste Meßgeräte
US4163271A (en) * 1977-09-02 1979-07-31 Michael L. Manning Electronic switching apparatus
US4270156A (en) * 1979-04-09 1981-05-26 General Equipment & Mfg. Co., Inc. Electronic synchronization monitor
JPS571041A (en) * 1980-06-02 1982-01-06 Shibuya Kogyo Co Ltd Labeller
JPS59191894U (ja) * 1983-06-08 1984-12-19 愛知電機株式会社 モ−タの異常検出装置

Also Published As

Publication number Publication date
EP0307842B1 (de) 1993-12-29
JPS6445440U (de) 1989-03-20
EP0307842A3 (en) 1990-06-13
DE3886637D1 (de) 1994-02-10
EP0307842A2 (de) 1989-03-22
DE3886637T2 (de) 1994-04-14
JPH082918Y2 (ja) 1996-01-29
KR890007658U (ko) 1989-05-17
KR910002728Y1 (ko) 1991-04-26
US4901184A (en) 1990-02-13

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