KR900016252U - Over current and leakage - Google Patents

Over current and leakage

Info

Publication number
KR900016252U
KR900016252U KR890001553U KR890001553U KR900016252U KR 900016252 U KR900016252 U KR 900016252U KR 890001553 U KR890001553 U KR 890001553U KR 890001553 U KR890001553 U KR 890001553U KR 900016252 U KR900016252 U KR 900016252U
Authority
KR
South Korea
Prior art keywords
leakage
over current
current
over
Prior art date
Application number
KR890001553U
Other languages
Korean (ko)
Other versions
KR910004126Y1 (en
Inventor
Sang-Kwon Lee
Original Assignee
Dae Ryuk Co Ltd
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 Dae Ryuk Co Ltd filed Critical Dae Ryuk Co Ltd
Priority to KR2019890001553U priority Critical patent/KR910004126Y1/en
Publication of KR900016252U publication Critical patent/KR900016252U/en
Application granted granted Critical
Publication of KR910004126Y1 publication Critical patent/KR910004126Y1/en

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
    • H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/28—Current transformers
    • 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
    • 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
    • H01H2083/205—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 having shunt or UVR tripping device with integrated mechanical energy accumulator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
KR2019890001553U 1989-02-15 1989-02-15 Over current and leakage KR910004126Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890001553U KR910004126Y1 (en) 1989-02-15 1989-02-15 Over current and leakage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890001553U KR910004126Y1 (en) 1989-02-15 1989-02-15 Over current and leakage

Publications (2)

Publication Number Publication Date
KR900016252U true KR900016252U (en) 1990-09-03
KR910004126Y1 KR910004126Y1 (en) 1991-06-15

Family

ID=19283721

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890001553U KR910004126Y1 (en) 1989-02-15 1989-02-15 Over current and leakage

Country Status (1)

Country Link
KR (1) KR910004126Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009014293A1 (en) * 2007-07-23 2009-01-29 Han Sik Lee Earth leakage circuit breaker with function for detecting reverse leakage current

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5768741B2 (en) * 2012-02-29 2015-08-26 三菱電機株式会社 Earth leakage breaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009014293A1 (en) * 2007-07-23 2009-01-29 Han Sik Lee Earth leakage circuit breaker with function for detecting reverse leakage current
CN101765953B (en) * 2007-07-23 2013-06-12 李汉植 Earth leakage circuit breaker with function for detecting reverse leakage current

Also Published As

Publication number Publication date
KR910004126Y1 (en) 1991-06-15

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20030617

Year of fee payment: 13

EXPY Expiration of term