CA2252348A1 - Electrical switching apparatus employing battery-powered indicator - Google Patents

Electrical switching apparatus employing battery-powered indicator

Info

Publication number
CA2252348A1
CA2252348A1 CA002252348A CA2252348A CA2252348A1 CA 2252348 A1 CA2252348 A1 CA 2252348A1 CA 002252348 A CA002252348 A CA 002252348A CA 2252348 A CA2252348 A CA 2252348A CA 2252348 A1 CA2252348 A1 CA 2252348A1
Authority
CA
Canada
Prior art keywords
circuit
separable contacts
closed
battery
display circuit
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
CA002252348A
Other languages
French (fr)
Other versions
CA2252348C (en
Inventor
Joseph J. Matsko
Richard A. Johnson
John A. Massoud
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 Intelligent Power Ltd
Original Assignee
Eaton 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 Eaton Corp filed Critical Eaton Corp
Publication of CA2252348A1 publication Critical patent/CA2252348A1/en
Application granted granted Critical
Publication of CA2252348C publication Critical patent/CA2252348C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/06—Arrangements for supplying operative power
    • 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

Abstract

A circuit breaker includes separable contacts for movement between a closed position and an open position. An operating mechanism moves the separable contacts between the closed and open positions and has a closed state and an ope n or tripped state which corresponds to the open position. A trip circuit senses elec trical current flowing through the separable contacts, employs the sensed current to tr ip the operating mechanism to the tripped state to move the separable contacts to the o pen position, and provides plural status signals. A display circuit cooperates with the trip circuit and includes light emitting diodes for outputting the status signals. A battery powers the display circuit which further includes an oscillator circuit for modu lating the LEDs to reduce power from the battery to the display circuit.
CA002252348A 1997-11-04 1998-11-04 Electrical switching apparatus employing battery-powered indicator Expired - Lifetime CA2252348C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/964,450 1997-11-04
US08/964,450 US5926355A (en) 1997-11-04 1997-11-04 Electrical switching apparatus employing battery-powered indicator

Publications (2)

Publication Number Publication Date
CA2252348A1 true CA2252348A1 (en) 1999-05-04
CA2252348C CA2252348C (en) 2007-07-24

Family

ID=25508554

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002252348A Expired - Lifetime CA2252348C (en) 1997-11-04 1998-11-04 Electrical switching apparatus employing battery-powered indicator

Country Status (2)

Country Link
US (1) US5926355A (en)
CA (1) CA2252348C (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7315169B1 (en) * 2001-10-26 2008-01-01 Schweitzer Engineering Laboratories, Inc. Microprocessor controlled fault indicator having inrush restraint circuit
US7030769B2 (en) * 2003-11-13 2006-04-18 Eaton Corporation Monitor providing cause of trip indication and circuit breaker incorporating the same
US7292418B2 (en) * 2004-04-27 2007-11-06 Microsoft Corporation Leakage current interrupter with sustained overvoltage and/or overcurrent protection
DE102004040289A1 (en) * 2004-08-19 2006-02-23 Siemens Ag Protective switching device with electrical display and corresponding method
US7633736B2 (en) * 2006-06-23 2009-12-15 Eaton Corporation Circuit interrupter including nonvolatile memory storing cause-of-trip information
US7633399B2 (en) 2007-02-27 2009-12-15 Eaton Corporation Configurable arc fault or ground fault circuit interrupter and method
DE102007047166A1 (en) * 2007-09-26 2009-04-02 Siemens Ag Control of the display backlight for a circuit breaker
US20120002332A1 (en) * 2010-06-30 2012-01-05 Riley Joseph D Overvoltage circuit, and motor starter, overload relay and low-power system including the same
DE102017205003B4 (en) * 2017-03-24 2023-02-02 Siemens Aktiengesellschaft circuit breaker
EP3386052B1 (en) 2017-04-04 2021-06-23 ABB Schweiz AG Electronic protection device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4751606A (en) * 1987-02-20 1988-06-14 Westinghouse Electric Corp. Circuit interrupter apparatus with a battery backup and reset circuit
US5270898A (en) * 1990-12-28 1993-12-14 Westinghouse Electric Corp. Sure chip plus
US5341191A (en) * 1991-10-18 1994-08-23 Eaton Corporation Molded case current limiting circuit breaker

Also Published As

Publication number Publication date
US5926355A (en) 1999-07-20
CA2252348C (en) 2007-07-24

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20181105