GB946623A - An earth leakage protection arrangement for electric heating systems - Google Patents
An earth leakage protection arrangement for electric heating systemsInfo
- Publication number
- GB946623A GB946623A GB3789961A GB3789961A GB946623A GB 946623 A GB946623 A GB 946623A GB 3789961 A GB3789961 A GB 3789961A GB 3789961 A GB3789961 A GB 3789961A GB 946623 A GB946623 A GB 946623A
- Authority
- GB
- United Kingdom
- Prior art keywords
- metal
- earth leakage
- electric heating
- heating systems
- leakage protection
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
- H02H3/162—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass for ac systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/10—Tops, e.g. hot plates; Rings
- F24C15/102—Tops, e.g. hot plates; Rings electrically heated
- F24C15/104—Arrangements of connectors, grounding, supply wires
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Resistance Heating (AREA)
- Fuses (AREA)
Abstract
946,623. Protective systems; thermal switches. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Oct. 1, 1962 [Oct. 23, 1961], No. 37899/61. Headings H2B and H2K. The tubular metal sheath S of a heating element H is earthed through the U-shaped bi-metal BM1 of a thermal switch D whose contacts C1, C2, insulatingly mounted respectively on the bi-metal BM1 and an ambient temperature compensating bi-metal BM2, close upon the passage of excessive earth leakage currents to earth the line conductor L through a low resistance R and thus blow a fuse F.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3789961A GB946623A (en) | 1961-10-23 | 1961-10-23 | An earth leakage protection arrangement for electric heating systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3789961A GB946623A (en) | 1961-10-23 | 1961-10-23 | An earth leakage protection arrangement for electric heating systems |
Publications (1)
Publication Number | Publication Date |
---|---|
GB946623A true GB946623A (en) | 1964-01-15 |
Family
ID=10399793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3789961A Expired GB946623A (en) | 1961-10-23 | 1961-10-23 | An earth leakage protection arrangement for electric heating systems |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB946623A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4370692A (en) * | 1978-10-16 | 1983-01-25 | General Electric Company | Ground fault protective system requiring reduced current-interrupting capability |
US4465924A (en) * | 1982-01-07 | 1984-08-14 | General Electric Company | Protective control arrangement for duty cycle controlled sheathed heating elements |
US4484243A (en) * | 1982-09-30 | 1984-11-20 | General Electric Company | Protective circuit arrangement for a sheathed heating element |
-
1961
- 1961-10-23 GB GB3789961A patent/GB946623A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4370692A (en) * | 1978-10-16 | 1983-01-25 | General Electric Company | Ground fault protective system requiring reduced current-interrupting capability |
US4465924A (en) * | 1982-01-07 | 1984-08-14 | General Electric Company | Protective control arrangement for duty cycle controlled sheathed heating elements |
US4484243A (en) * | 1982-09-30 | 1984-11-20 | General Electric Company | Protective circuit arrangement for a sheathed heating element |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE22506T1 (en) | VARISTOR FUSE ELEMENT. | |
GB1136368A (en) | An electrical resistance heating element | |
GB1513838A (en) | Circuit breaker with solid state passive overcurrent sensing device | |
GB1401075A (en) | Protection apparatus for an electrical load | |
GB1379550A (en) | Electric protection device for motors | |
GB946623A (en) | An earth leakage protection arrangement for electric heating systems | |
GB600250A (en) | Improvements in thermal responsive electric switches | |
GB769505A (en) | Snap action electric switches | |
GB769506A (en) | Snap action circuit breaker | |
GB964817A (en) | Means for de-energising electric heating elements | |
GB956240A (en) | Electrical translating device embodying a thermal protector for an electric motor | |
GB684341A (en) | Improvements in or relating to electrical air current heaters, more particularly hair driers | |
GB747185A (en) | Improvements in thermally-operated electrical circuit interruptors | |
GB1060964A (en) | Improvements in or relating to electrical switching apparatus | |
US1602952A (en) | Thermal relay | |
GB1526275A (en) | Temperature sensitive circuit breakers | |
ZA821434B (en) | Protective circuit breaker with a totalising current transformer accessible from the exterior | |
GB575823A (en) | Improvements in and relating to electric switches with electrodynamically-reinforcedcontact | |
GB1078413A (en) | Improvements in or relating to circuit breakers | |
GB862543A (en) | Control apparatus for booster heaters | |
GB763167A (en) | Improvements in electrical fuses | |
GB909010A (en) | Improvements relating to protective relays for polyphase circuits | |
GB1458387A (en) | Electrical circuits | |
GB1411124A (en) | Electric blanket control circuit | |
GB954233A (en) | Improvements in or relating to thermally responsive electric switch units |