AU497521B2 - Circuit breaker with adjustable thermal trip - Google Patents
Circuit breaker with adjustable thermal tripInfo
- Publication number
- AU497521B2 AU497521B2 AU81130/75A AU8113075A AU497521B2 AU 497521 B2 AU497521 B2 AU 497521B2 AU 81130/75 A AU81130/75 A AU 81130/75A AU 8113075 A AU8113075 A AU 8113075A AU 497521 B2 AU497521 B2 AU 497521B2
- Authority
- AU
- Australia
- Prior art keywords
- circuit breaker
- thermal trip
- adjustable thermal
- adjustable
- trip
- 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
- H01H71/1009—Interconnected mechanisms
-
- 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
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7418—Adjusting both electrothermal and electromagnetic mechanism
-
- 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
- H01H69/01—Apparatus or processes for the manufacture of emergency protective devices for calibrating or setting of devices to function under predetermined conditions
- H01H2069/013—Apparatus or processes for the manufacture of emergency protective devices for calibrating or setting of devices to function under predetermined conditions with calibrating screws in trip bar
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/470,107 US3949331A (en) | 1974-05-15 | 1974-05-15 | Circuit breaker with adjustable thermal trip unit |
USUS470107 | 1974-05-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU8113075A AU8113075A (en) | 1976-11-18 |
AU497521B2 true AU497521B2 (en) | 1978-12-14 |
Family
ID=23866302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU81130/75A Expired AU497521B2 (en) | 1974-05-15 | 1975-04-14 | Circuit breaker with adjustable thermal trip |
Country Status (7)
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4030060A (en) * | 1976-02-26 | 1977-06-14 | Westinghouse Electric Corporation | Thermally adjustable circuit breaker |
FR2356262A1 (fr) * | 1976-06-24 | 1978-01-20 | Simplex Appareils | Declencheur a dispositif de surcharge pour disjoncteur basse tension |
JPS5669745A (en) * | 1979-11-10 | 1981-06-11 | Terasaki Denki Sangyo Kk | Circuit breaker |
US4502033A (en) * | 1982-07-06 | 1985-02-26 | Texas Instruments Incorporated | Circuit control device |
US5866996A (en) * | 1996-12-19 | 1999-02-02 | Siemens Energy & Automation, Inc. | Contact arm with internal in-line spring |
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 |
US20020105398A1 (en) * | 2001-02-08 | 2002-08-08 | Joseph Criniti | Circuit breaker trip bar with screw locating feature |
US6956452B2 (en) * | 2003-09-24 | 2005-10-18 | General Electric Company | Apparatus and method for circuit breaker trip unit adjustment |
ITMI20042234A1 (it) * | 2004-11-19 | 2005-02-19 | Abb Service Srl | Interuttore automatico con cinematismo di sgancio azionato da contatto mobile |
CN101630615B (zh) * | 2009-08-06 | 2011-12-21 | 江苏辉能电气有限公司 | 低压断路器的可选择性脱扣装置 |
US8988174B1 (en) * | 2013-09-11 | 2015-03-24 | Siemens Industry, Inc. | Tripping mechanisms for two-pole circuit breakers |
US9437384B2 (en) * | 2014-07-09 | 2016-09-06 | Eaton Corporation | Circuit breaker and apparatus including slot-retained armature linkage and methods of fabricating the same |
FR3030871B1 (fr) * | 2014-12-17 | 2019-05-10 | Schneider Electric Industries Sas | Dispositif de declenchement thermique pour un disjoncteur basse tension et disjoncteur comportant un tel dispositif |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3345591A (en) * | 1966-06-29 | 1967-10-03 | Square D Co | Electric circuit breaker with improved tripping means including a heater strip in the thermal tripping means and adjustable air gaps in the magnetic tripping means |
US3355685A (en) * | 1966-09-30 | 1967-11-28 | Square D Co | Electric circuit breaker having improved operating means |
US3460075A (en) * | 1967-03-07 | 1969-08-05 | Westinghouse Electric Corp | Circuit breaker with improved latch and trip structures |
US3758887A (en) * | 1968-02-06 | 1973-09-11 | Westinghouse Electric Corp | Multi-pole circuit breaker with single trip adjustment for all poles |
-
1974
- 1974-05-15 US US05/470,107 patent/US3949331A/en not_active Expired - Lifetime
-
1975
- 1975-04-14 AU AU81130/75A patent/AU497521B2/en not_active Expired
- 1975-05-13 FR FR7514827A patent/FR2271655B1/fr not_active Expired
- 1975-05-13 GB GB2010475A patent/GB1472380A/en not_active Expired
- 1975-05-13 ES ES437633A patent/ES437633A1/es not_active Expired
- 1975-05-14 IT IT41615/75A patent/IT1036609B/it active
- 1975-05-15 BE BE156376A patent/BE829108A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2271655A1 (US06826419-20041130-M00005.png) | 1975-12-12 |
IT1036609B (it) | 1979-10-30 |
US3949331A (en) | 1976-04-06 |
ES437633A1 (es) | 1977-01-16 |
AU8113075A (en) | 1976-11-18 |
FR2271655B1 (US06826419-20041130-M00005.png) | 1981-06-19 |
GB1472380A (en) | 1977-05-04 |
BE829108A (fr) | 1975-11-17 |
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