GB426999A - Improvements in electromagnetically-tripped automatic overload circuit-breakers - Google Patents
Improvements in electromagnetically-tripped automatic overload circuit-breakersInfo
- Publication number
- GB426999A GB426999A GB29824/34A GB2982434A GB426999A GB 426999 A GB426999 A GB 426999A GB 29824/34 A GB29824/34 A GB 29824/34A GB 2982434 A GB2982434 A GB 2982434A GB 426999 A GB426999 A GB 426999A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tripping
- coils
- core
- circuit
- breakers
- 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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/38—Electromagnetic mechanisms wherein the magnet coil also acts as arc blow-out device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/36—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release
- H01H73/38—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release reset by lever
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Electromagnets (AREA)
Abstract
426,999. Automatic circuit-breakers. LEYHAUSEN, W., 79, Bucherstrasse, Nuremberg, Germany. Oct. 18, 1934, No. 29824. Convention date, Oct. 18, 1933. [Class 38 (v)] An electromagnetically tripped automatic overload circuit-breaker has contacts a, b arranged in the space between the two coils c, d, insulating barriers c<1>, d<1> of refractory material separating the coils and the contacts. The coils c, d besides exerting a magnetic blow-out action, act as tripping magnets by attracting a core f, the core being attached to a bell-crank tripping lever g. A magnetic frame e is provided to complete the magnetic circuit of the coils c, d and, if desired, a portion of such frame or yoke may be constituted by portions of the tripping levers. If desired, tripping cores may be provided in both electromagnets c, d. Fig. 3 shows the actuating mechanism for the movable bridging contact u which includes a collapsable toggle h, i between an operating link l engaged by a pin x on the operating handle z and a spring-controlled bell-crank k, p attached to the vertically movable contact rod t. When the parts are moved to the closed position shown in dotted lines, attraction of the core f carried by the tripping lever g causes the latter to engage the link h and break the toggle, thus automatically opening the circuit-breaker. If desired, a stationary core may be mounted within the tripping magnet or magnets to which the movable plunger is adapted to be attracted.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEL84649D DE636718C (en) | 1933-10-18 | 1933-10-18 | Electromagnetic overcurrent switch |
Publications (1)
Publication Number | Publication Date |
---|---|
GB426999A true GB426999A (en) | 1935-04-12 |
Family
ID=6477259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB29824/34A Expired GB426999A (en) | 1933-10-18 | 1934-10-18 | Improvements in electromagnetically-tripped automatic overload circuit-breakers |
Country Status (5)
Country | Link |
---|---|
US (1) | US2105604A (en) |
BE (1) | BE399644A (en) |
DE (1) | DE636718C (en) |
FR (1) | FR777270A (en) |
GB (1) | GB426999A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE950391C (en) * | 1938-10-11 | 1956-10-11 | Siemens Ag | Electromagnetic device |
DE744559C (en) * | 1940-08-15 | 1944-01-20 | Wilhelm Leyhausen | Small self switch |
DE740958C (en) * | 1940-11-10 | 1943-11-01 | Ing Karl Kesl | Overcurrent switch in disconnector form |
DE751583C (en) * | 1941-03-02 | 1951-10-29 | Wilhelm Leyhausen | Small self switch |
DE957322C (en) * | 1952-02-02 | 1957-01-31 | Sursum Elek Zitaets Ges Leyhau | Magnet system for electrical switches |
DE1092544B (en) * | 1954-01-28 | 1960-11-10 | Licentia Gmbh | Switching device, in particular automatic installation switches |
FR1209706A (en) * | 1958-08-30 | 1960-03-03 | Electromagnetic control device | |
DE29917960U1 (en) | 1999-10-12 | 1999-12-30 | Kuhnke GmbH, 23714 Malente | Electromagnetic actuator, especially a proportional magnet |
-
1933
- 1933-10-18 DE DEL84649D patent/DE636718C/en not_active Expired
- 1933-11-06 FR FR777270D patent/FR777270A/en not_active Expired
- 1933-11-14 BE BE399644D patent/BE399644A/xx unknown
- 1933-12-01 US US700579A patent/US2105604A/en not_active Expired - Lifetime
-
1934
- 1934-10-18 GB GB29824/34A patent/GB426999A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE399644A (en) | 1933-12-30 |
FR777270A (en) | 1935-02-14 |
US2105604A (en) | 1938-01-18 |
DE636718C (en) | 1936-10-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4307358A (en) | Electromagnetic contactor is fitted with an electromagnet sensitive to over-currents, to cause the limitation and cut-off of excess currents | |
GB1364990A (en) | Excess current switch | |
GB429543A (en) | Improvements in or relating to electric circuit interrupters | |
GB426999A (en) | Improvements in electromagnetically-tripped automatic overload circuit-breakers | |
GB1167057A (en) | Improvements in Electric Circuit Breakers with Electromagnetic Means for Opposing Contact-Repulsion Forces. | |
GB1282155A (en) | Circuit breaker with improved trip means | |
GB599407A (en) | Improvements in or relating to automatic circuit-breakers | |
GB712482A (en) | Improvements in and relating to automatic electric circuit breakers | |
US3689855A (en) | Circuit protector | |
GB549554A (en) | Improvements in or relating to automatic electric circuit breakers | |
GB1132521A (en) | An automatic current limiting circuit breaker | |
GB904444A (en) | Improvements in or relating to electric circuit breaking devices | |
GB571997A (en) | Improvements in or relating to electric circuit breakers provided with overload release devices | |
US3081387A (en) | Circuit breaker | |
US3158711A (en) | Current limiting circuit breaker | |
GB1272649A (en) | Circuit breaker | |
GB617625A (en) | Improvements in or relating to electric circuit breakers | |
US2709731A (en) | Circuit breaker | |
US2992308A (en) | High speed switch with impact armature | |
GB1016216A (en) | Improvements in current-limiting circuit breakers | |
GB721617A (en) | Improvements in and relating to electric relays | |
US2015598A (en) | Circuit breaker | |
GB549421A (en) | Improvements in or relating to relays for protecting electric circuits | |
US2310102A (en) | Time-delayed undervoltage trippingmechanism for circuit breakers | |
GB191302778A (en) | Electromagnetic Switching Mechanism for Heavy Current Switches with Automatic Release. |