WO2013102933A3 - Residual current circuit breaker with overcurrent protection (rcbo) with an improved neutral pole kinematic chain - Google Patents

Residual current circuit breaker with overcurrent protection (rcbo) with an improved neutral pole kinematic chain Download PDF

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Publication number
WO2013102933A3
WO2013102933A3 PCT/IN2012/000847 IN2012000847W WO2013102933A3 WO 2013102933 A3 WO2013102933 A3 WO 2013102933A3 IN 2012000847 W IN2012000847 W IN 2012000847W WO 2013102933 A3 WO2013102933 A3 WO 2013102933A3
Authority
WO
WIPO (PCT)
Prior art keywords
kinematic chain
residual current
rcbo
enclosure
circuit breaker
Prior art date
Application number
PCT/IN2012/000847
Other languages
French (fr)
Other versions
WO2013102933A2 (en
Inventor
Augusto Contardi
Andrea CONTARDI
Original Assignee
Larsen And Toubro Limited
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 Larsen And Toubro Limited filed Critical Larsen And Toubro Limited
Priority to EP12839196.8A priority Critical patent/EP2798655A2/en
Publication of WO2013102933A2 publication Critical patent/WO2013102933A2/en
Publication of WO2013102933A3 publication Critical patent/WO2013102933A3/en

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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
    • H01H71/125—Automatic release mechanisms with or without manual release using a solid-state trip unit characterised by sensing elements, e.g. current transformers
    • 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
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker

Abstract

The present invention provides a residual current breaker with over current protection (RCBO), comprising a first housing enclosing a miniature circuit breaker (MCB) and a second housing separated from the first housing by a main frame. The second housing includes a first enclosure for a neutral kinematic chain and a second enclosure for a residual current device. The first enclosure and the second enclosure is separated by a secondary frame thereby physically separating neutral pole kinematic chain from a residual current kinematic chain of the residual current device. A pin of the MCB protrudes inside the first enclosure of the second housing having the neutral kinematic chain.
PCT/IN2012/000847 2011-12-27 2012-12-26 Residual current circuit breaker with overcurrent protection (rcbo) with an improved neutral pole kinematic chain WO2013102933A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12839196.8A EP2798655A2 (en) 2011-12-27 2012-12-26 Residual current circuit breaker with overcurrent protection (rcbo) with an improved neutral pole kinematic chain

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN3669MU2011 2011-12-27
IN3669/MUM/2011 2011-12-27

Publications (2)

Publication Number Publication Date
WO2013102933A2 WO2013102933A2 (en) 2013-07-11
WO2013102933A3 true WO2013102933A3 (en) 2013-10-10

Family

ID=48048116

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2012/000847 WO2013102933A2 (en) 2011-12-27 2012-12-26 Residual current circuit breaker with overcurrent protection (rcbo) with an improved neutral pole kinematic chain

Country Status (2)

Country Link
EP (1) EP2798655A2 (en)
WO (1) WO2013102933A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108597962B (en) * 2018-03-22 2020-09-08 华为技术有限公司 Miniature circuit breaker and control method and system thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970975A (en) * 1975-05-05 1976-07-20 I-T-E Imperial Corporation Ground fault circuit breaker with ground fault trip indicator
US5089796A (en) * 1990-09-19 1992-02-18 Square D Company Earth leakage trip indicator
EP1744428A2 (en) * 2005-05-17 2007-01-17 BTICINO S.p.A. Electrical apparatus for controlling and resetting a circuit breaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970975A (en) * 1975-05-05 1976-07-20 I-T-E Imperial Corporation Ground fault circuit breaker with ground fault trip indicator
US5089796A (en) * 1990-09-19 1992-02-18 Square D Company Earth leakage trip indicator
EP1744428A2 (en) * 2005-05-17 2007-01-17 BTICINO S.p.A. Electrical apparatus for controlling and resetting a circuit breaker

Also Published As

Publication number Publication date
WO2013102933A2 (en) 2013-07-11
EP2798655A2 (en) 2014-11-05

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