GB1243475A - Molded-case electric circuit breaker with contact arm latch - Google Patents
Molded-case electric circuit breaker with contact arm latchInfo
- Publication number
- GB1243475A GB1243475A GB54378/69A GB5437869A GB1243475A GB 1243475 A GB1243475 A GB 1243475A GB 54378/69 A GB54378/69 A GB 54378/69A GB 5437869 A GB5437869 A GB 5437869A GB 1243475 A GB1243475 A GB 1243475A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contact arm
- molded
- circuit breaker
- electric circuit
- case electric
- 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.)
- Expired
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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
- H01H71/522—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism
- H01H71/525—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism comprising a toggle between cradle and contact arm and mechanism spring acting between handle and toggle knee
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
- H01H2300/046—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H using snap closing mechanisms
Landscapes
- Breakers (AREA)
Abstract
1,243,475. Automatic circuit breakers. SQUARE D CO. 6 Nov., 1969 [18 Nov., 1968], No. 54378/69. Heading H1N. A circuit-breaker mechanism of the kind having an overcentre spring 47 and toggle linkage 39, 41 for closing the contacts 19 and a releasably latched trip lever 30 has a latching device 13, 36 between the moving contact arm 18 and the trip lever 30 such as to maintain the arm 18 in the fully open position during the initial closing movement of the handle 25, the latching device being disengaged by a roller 27 on the handle when the spring 47 has moved well beyond the dead-centre position. The mechanism is otherwise as described in Specification 1,145,588.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77641268A | 1968-11-18 | 1968-11-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1243475A true GB1243475A (en) | 1971-08-18 |
Family
ID=25107306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB54378/69A Expired GB1243475A (en) | 1968-11-18 | 1969-11-06 | Molded-case electric circuit breaker with contact arm latch |
Country Status (2)
Country | Link |
---|---|
US (1) | US3562469A (en) |
GB (1) | GB1243475A (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4110717A (en) * | 1976-12-30 | 1978-08-29 | Texas Instruments Incorporated | Circuit breaker |
US4609799A (en) * | 1984-01-13 | 1986-09-02 | Mitsubishi Denki Kabushiki Kaisha | Circuit interrupter |
US5266760A (en) * | 1992-08-06 | 1993-11-30 | Eaton Corporation | Molded case circuit breaker |
US5918732A (en) * | 1994-11-29 | 1999-07-06 | Klockner-Moeller Gmbh | Power circuit breaker with a breaker mechanism and a breaker mechanism for a power circuit breaker with a lock for a low-voltage switch |
DE4442417C1 (en) * | 1994-11-29 | 1996-02-15 | Kloeckner Moeller Gmbh | Toggle action mechanism for use with LV electrical power switch |
US5894260A (en) * | 1996-12-19 | 1999-04-13 | Siemens Energy & Automation, Inc. | Thermal sensing bi-metal trip actuator for a circuit breaker |
US5844188A (en) * | 1996-12-19 | 1998-12-01 | Siemens Energy & Automation, Inc. | Circuit breaker with improved trip mechanism |
US6087914A (en) * | 1996-12-19 | 2000-07-11 | Siemens Energy & Automation, Inc. | Circuit breaker combination thermal and magnetic trip actuator |
US5866996A (en) * | 1996-12-19 | 1999-02-02 | Siemens Energy & Automation, Inc. | Contact arm with internal in-line spring |
US5910757A (en) * | 1998-03-25 | 1999-06-08 | Square D Company | Phase barrier for use in a multiphase circuit breaker |
DE19910032C1 (en) * | 1999-03-08 | 2000-04-06 | Moeller Gmbh | Multiple pole switch for power switching, has chamber housing containing adjacent switch chambers with common switch shaft, in which each chamber has interacting fixed, pivotable contacts |
US6479774B1 (en) * | 2000-03-17 | 2002-11-12 | General Electric Company | High energy closing mechanism for circuit breakers |
US7911302B2 (en) * | 2007-11-15 | 2011-03-22 | General Electric Company | Secondary trip system for circuit breaker |
US11437202B2 (en) | 2020-06-29 | 2022-09-06 | Rockwell Automation Switzerland Gmbh | Switching device with lock open component |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3134879A (en) * | 1962-06-20 | 1964-05-26 | Gen Electric | Electric circuit breaker with lock-open latch |
US3299244A (en) * | 1965-10-11 | 1967-01-17 | Ite Circuit Breaker Ltd | Anti-rebound latch |
US3355685A (en) * | 1966-09-30 | 1967-11-28 | Square D Co | Electric circuit breaker having improved operating means |
-
1968
- 1968-11-18 US US776412A patent/US3562469A/en not_active Expired - Lifetime
-
1969
- 1969-11-06 GB GB54378/69A patent/GB1243475A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3562469A (en) | 1971-02-09 |
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