IT7941625A0 - Interruttore di circuito di limitazione di corrente con dispositivo di scatto magnetico ad alta velocita'. - Google Patents
Interruttore di circuito di limitazione di corrente con dispositivo di scatto magnetico ad alta velocita'.Info
- Publication number
- IT7941625A0 IT7941625A0 IT7941625A IT4162579A IT7941625A0 IT 7941625 A0 IT7941625 A0 IT 7941625A0 IT 7941625 A IT7941625 A IT 7941625A IT 4162579 A IT4162579 A IT 4162579A IT 7941625 A0 IT7941625 A0 IT 7941625A0
- Authority
- IT
- Italy
- Prior art keywords
- high speed
- circuit breaker
- current limiting
- limiting circuit
- trip device
- Prior art date
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
- H01H71/24—Electromagnetic mechanisms
- H01H71/2454—Electromagnetic mechanisms characterised by the magnetic circuit or active magnetic elements
-
- 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
- H01H71/24—Electromagnetic mechanisms
- H01H71/2472—Electromagnetic mechanisms with rotatable armatures
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/952,035 US4220935A (en) | 1978-10-16 | 1978-10-16 | Current limiting circuit breaker with high speed magnetic trip device |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7941625A0 true IT7941625A0 (it) | 1979-10-15 |
IT1124343B IT1124343B (it) | 1986-05-07 |
Family
ID=25492516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT41625/79A IT1124343B (it) | 1978-10-16 | 1979-10-15 | Interruttore di circuito di limitazione di corrente con dispositivo di scatto mangetico ad alta velocita' |
Country Status (10)
Country | Link |
---|---|
US (1) | US4220935A (it) |
JP (1) | JPH0127250Y2 (it) |
AU (1) | AU531263B2 (it) |
CA (1) | CA1116211A (it) |
DE (1) | DE2940706A1 (it) |
ES (1) | ES485011A0 (it) |
FR (1) | FR2439471A1 (it) |
GB (1) | GB2034119B (it) |
IT (1) | IT1124343B (it) |
ZA (1) | ZA795248B (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4276526A (en) * | 1980-01-28 | 1981-06-30 | General Electric Company | Miniature current limiting circuit breaker |
EP0050187B1 (de) * | 1980-10-17 | 1985-02-20 | Sprecher & Schuh AG | Überstrom-Schutzschalter |
US4598186A (en) * | 1983-05-09 | 1986-07-01 | Square D Company | Vent arrangement for high amperage molded case circuit breaker |
US4680562A (en) * | 1985-07-29 | 1987-07-14 | Westinghouse Electric Corp. | Integral circuit interrupter with separable modules |
US4683451A (en) * | 1986-03-14 | 1987-07-28 | Westinghouse Electric Corp. | Circuit breaker with trip delay magnetic circuit |
US4719438A (en) * | 1986-09-30 | 1988-01-12 | Westinghouse Electric Corp. | Circuit breaker with fast trip unit |
US4862131A (en) * | 1988-10-11 | 1989-08-29 | Square D Company | Trip crossbar translation to prevent bimetal overstressing in a circuit breaker |
US5872495A (en) * | 1997-12-10 | 1999-02-16 | Siemens Energy & Automation, Inc. | Variable thermal and magnetic structure for a circuitbreaker trip unit |
US5886599A (en) * | 1997-12-15 | 1999-03-23 | Eaton Corporation | Molded case circuit breaker having an improved electromagnetic trip |
US6747534B1 (en) | 1999-08-18 | 2004-06-08 | Eaton Corporation | Circuit breaker with dial indicator for magnetic trip level adjustment |
US6586693B2 (en) * | 2000-03-17 | 2003-07-01 | General Electric Company | Self compensating latch arrangement |
US9899176B2 (en) | 2016-04-07 | 2018-02-20 | General Electric Company | Self-resetting biasing devices for current limiting circuit breaker trip systems |
US12033823B2 (en) * | 2021-12-28 | 2024-07-09 | Schneider Electric USA, Inc. | Circuit breakers |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2412304A (en) * | 1944-08-11 | 1946-12-10 | Staley Marcellus | Electromagnet |
US3179767A (en) * | 1956-06-21 | 1965-04-20 | Wadsworth Electric Mfg Co | Circuit breaker with improved electromagnetic tripping device |
US3296564A (en) * | 1963-08-30 | 1967-01-03 | Westinghouse Electric Corp | Circuit breaker with thermal and magnetic trip means |
NL142271B (nl) * | 1967-01-27 | 1974-05-15 | Terasaki Denki Sangyo Kk | Automatische schakelinrichting met beweegbare contactstangen openend onder invloed van elektrodynamische krachten. |
US3646488A (en) * | 1969-11-05 | 1972-02-29 | Tokyo Shibaura Electric Co | Electric circuit breaker |
US3646489A (en) * | 1970-09-23 | 1972-02-29 | Gen Electric | Circuit breaker having thermal and magnetic actuation with improved magnetic trip |
-
1978
- 1978-10-16 US US05/952,035 patent/US4220935A/en not_active Expired - Lifetime
-
1979
- 1979-09-28 GB GB7933828A patent/GB2034119B/en not_active Expired
- 1979-10-02 ZA ZA00795248A patent/ZA795248B/xx unknown
- 1979-10-08 DE DE19792940706 patent/DE2940706A1/de active Granted
- 1979-10-10 CA CA337,291A patent/CA1116211A/en not_active Expired
- 1979-10-11 AU AU51680/79A patent/AU531263B2/en not_active Expired
- 1979-10-15 ES ES485011A patent/ES485011A0/es active Granted
- 1979-10-15 IT IT41625/79A patent/IT1124343B/it active
- 1979-10-15 JP JP1979141498U patent/JPH0127250Y2/ja not_active Expired
- 1979-10-15 FR FR7925604A patent/FR2439471A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2034119B (en) | 1983-03-23 |
GB2034119A (en) | 1980-05-29 |
JPH0127250Y2 (it) | 1989-08-15 |
JPS5559437U (it) | 1980-04-22 |
DE2940706C2 (it) | 1989-11-02 |
US4220935A (en) | 1980-09-02 |
ES8100550A1 (es) | 1980-11-01 |
FR2439471A1 (fr) | 1980-05-16 |
ES485011A0 (es) | 1980-11-01 |
ZA795248B (en) | 1980-09-24 |
AU531263B2 (en) | 1983-08-18 |
FR2439471B1 (it) | 1984-11-16 |
DE2940706A1 (de) | 1980-04-24 |
AU5168079A (en) | 1980-04-24 |
CA1116211A (en) | 1982-01-12 |
IT1124343B (it) | 1986-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19941031 |