GB657787A - Improvements relating to electro-magnetically tripped overload cut-outs - Google Patents
Improvements relating to electro-magnetically tripped overload cut-outsInfo
- Publication number
- GB657787A GB657787A GB32630/48A GB3263048A GB657787A GB 657787 A GB657787 A GB 657787A GB 32630/48 A GB32630/48 A GB 32630/48A GB 3263048 A GB3263048 A GB 3263048A GB 657787 A GB657787 A GB 657787A
- Authority
- GB
- United Kingdom
- Prior art keywords
- outs
- electro
- improvements relating
- composition
- overload cut
- 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
- 239000000203 mixture Substances 0.000 abstract 5
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 abstract 3
- 229910052901 montmorillonite Inorganic materials 0.000 abstract 3
- 239000000919 ceramic Substances 0.000 abstract 1
- 239000004927 clay Substances 0.000 abstract 1
- 238000010292 electrical insulation Methods 0.000 abstract 1
- 238000010304 firing Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000004017 vitrification Methods 0.000 abstract 1
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
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
-
- 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
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
- H01H71/0228—Mounting or assembling the different parts of the circuit breaker having provisions for interchangeable or replaceable parts
-
- 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
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT268309X | 1947-12-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB657787A true GB657787A (en) | 1951-09-26 |
Family
ID=25603519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB32630/48A Expired GB657787A (en) | 1947-12-18 | 1948-12-16 | Improvements relating to electro-magnetically tripped overload cut-outs |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE485305A (enrdf_load_stackoverflow) |
CH (1) | CH268309A (enrdf_load_stackoverflow) |
DE (1) | DE810649C (enrdf_load_stackoverflow) |
FR (1) | FR973110A (enrdf_load_stackoverflow) |
GB (1) | GB657787A (enrdf_load_stackoverflow) |
-
0
- BE BE485305D patent/BE485305A/xx unknown
-
1948
- 1948-07-19 CH CH268309D patent/CH268309A/de unknown
- 1948-10-02 DE DEP8880D patent/DE810649C/de not_active Expired
- 1948-10-08 FR FR973110D patent/FR973110A/fr not_active Expired
- 1948-12-16 GB GB32630/48A patent/GB657787A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR973110A (fr) | 1951-02-07 |
DE810649C (de) | 1951-10-08 |
BE485305A (enrdf_load_stackoverflow) | |
CH268309A (de) | 1950-05-15 |
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