GB1095764A - Improvements in electrical switching devices - Google Patents
Improvements in electrical switching devicesInfo
- Publication number
- GB1095764A GB1095764A GB1001465A GB1001465A GB1095764A GB 1095764 A GB1095764 A GB 1095764A GB 1001465 A GB1001465 A GB 1001465A GB 1001465 A GB1001465 A GB 1001465A GB 1095764 A GB1095764 A GB 1095764A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contact
- leg
- arc
- contacts
- produced
- 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
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/10—Adaptation for built-in fuses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/38—Auxiliary contacts on to which the arc is transferred from the main contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Circuit Breakers (AREA)
- Sewing Machines And Sewing (AREA)
- Breakers (AREA)
Abstract
1,095,764. Switch contacts; arc rupturing in switches. SVENSKA ELFABRIKS A.B SELFA. March 9, 1965 [March 9, 1964], No. 10014/65. Heading H2B. An electrical switching device has at least one fixed and one movable contact per pole arranged in such a way that in their closed position the contacts are subjected to a contactpressure augmenting force produced by the current flowing through the contacts and upon interruption of contact a resultant electromagnetic force is produced tending to blow out the arc. The fixed contact comprises leg 10 joined by conductive hinge 12 to leg 11 urged against the movable contact comprising main contact 8 and auxiliary contact 9 by spring 13, a stop being provided comprising bolt 14 insulated from legs 10, 11. When the contacts are closed current flows through leg 10, hinge 12 and leg 11, the magnetic fields of the current causing a contact pressure augmenting force. On actuation of the switching device, the moving contact moves upwards and leg 11 pivots so that contact is finally broken between the free end of leg 11 and auxiliary contact 9, the electromagnetic forces produced blowing out the arc beyond the free end of leg 11 into arc control device (17) having arc-chutes (18). Operating handle (2) operates the device through an unspecified mechanism.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE292464 | 1964-03-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1095764A true GB1095764A (en) | 1967-12-20 |
Family
ID=20261014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1001465A Expired GB1095764A (en) | 1964-03-09 | 1965-03-09 | Improvements in electrical switching devices |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT262430B (en) |
BE (1) | BE660832A (en) |
CH (1) | CH431661A (en) |
DE (1) | DE1540375B2 (en) |
FR (1) | FR1426023A (en) |
GB (1) | GB1095764A (en) |
NL (1) | NL6502961A (en) |
NO (1) | NO119094B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995005671A1 (en) * | 1993-08-19 | 1995-02-23 | Blp Components Limited | Switching devices |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1451958A (en) * | 1973-05-03 | 1976-10-06 | Mte Components Lt | Electrical switches |
DE2915090C2 (en) * | 1979-04-12 | 1982-03-04 | Siemens AG, 1000 Berlin und 8000 München | Low voltage load switch with fuse |
-
1965
- 1965-03-03 NO NO15703465A patent/NO119094B/no unknown
- 1965-03-09 CH CH326965A patent/CH431661A/en unknown
- 1965-03-09 AT AT210565A patent/AT262430B/en active
- 1965-03-09 NL NL6502961A patent/NL6502961A/xx unknown
- 1965-03-09 GB GB1001465A patent/GB1095764A/en not_active Expired
- 1965-03-09 DE DE19651540375 patent/DE1540375B2/en active Pending
- 1965-03-09 BE BE660832D patent/BE660832A/xx unknown
- 1965-03-09 FR FR8561A patent/FR1426023A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995005671A1 (en) * | 1993-08-19 | 1995-02-23 | Blp Components Limited | Switching devices |
GB2295726A (en) * | 1993-08-19 | 1996-06-05 | Blp Components Ltd | Switching devices |
GB2295726B (en) * | 1993-08-19 | 1997-08-06 | Blp Components Ltd | Switching devices |
Also Published As
Publication number | Publication date |
---|---|
AT262430B (en) | 1968-06-10 |
BE660832A (en) | 1965-07-01 |
DE1540375A1 (en) | 1970-01-02 |
DE1540375B2 (en) | 1972-05-18 |
NL6502961A (en) | 1965-09-10 |
NO119094B (en) | 1970-03-23 |
CH431661A (en) | 1967-03-15 |
FR1426023A (en) | 1966-01-24 |
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