FR561531A - Protective device for electrical appliances placed in a closed enclosure - Google Patents
Protective device for electrical appliances placed in a closed enclosureInfo
- Publication number
- FR561531A FR561531A FR561531DA FR561531A FR 561531 A FR561531 A FR 561531A FR 561531D A FR561531D A FR 561531DA FR 561531 A FR561531 A FR 561531A
- Authority
- FR
- France
- Prior art keywords
- protective device
- electrical appliances
- closed enclosure
- appliances placed
- enclosure
- 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
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB561531X | 1922-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR561531A true FR561531A (en) | 1923-10-23 |
Family
ID=10475865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR561531D Expired FR561531A (en) | 1922-01-31 | 1923-01-29 | Protective device for electrical appliances placed in a closed enclosure |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR561531A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1053610B (en) * | 1952-08-15 | 1959-03-26 | Siemens Ag | Pressure-resistant housing, containing interconnected, externally closed spaces, in particular for firedamp and explosion-proof electrical equipment |
| DE1058596B (en) * | 1952-04-01 | 1959-06-04 | Calor Emag Elektrizitaets Ag | Flameproof housing for the flameproof encapsulation of electrical switchgear for rooms prone to explosion or firedamp |
| DE1062306B (en) * | 1953-03-18 | 1959-07-30 | Calor Emag Elektrizitaets Ag | Flameproof housing for the flameproof encapsulation of electrical switchgear for rooms at risk of explosion or firedamp |
| EP0903826A1 (en) * | 1997-07-22 | 1999-03-24 | Abb Research Ltd. | Fire extinguishing device, especially for medium voltage switchboards |
-
1923
- 1923-01-29 FR FR561531D patent/FR561531A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1058596B (en) * | 1952-04-01 | 1959-06-04 | Calor Emag Elektrizitaets Ag | Flameproof housing for the flameproof encapsulation of electrical switchgear for rooms prone to explosion or firedamp |
| DE1053610B (en) * | 1952-08-15 | 1959-03-26 | Siemens Ag | Pressure-resistant housing, containing interconnected, externally closed spaces, in particular for firedamp and explosion-proof electrical equipment |
| DE1062306B (en) * | 1953-03-18 | 1959-07-30 | Calor Emag Elektrizitaets Ag | Flameproof housing for the flameproof encapsulation of electrical switchgear for rooms at risk of explosion or firedamp |
| EP0903826A1 (en) * | 1997-07-22 | 1999-03-24 | Abb Research Ltd. | Fire extinguishing device, especially for medium voltage switchboards |
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