CH352022A - Power switchgear for direct and alternating current - Google Patents

Power switchgear for direct and alternating current

Info

Publication number: CH352022A
Authority: CH; Switzerland
Prior art keywords: direct; alternating current; power switchgear; switchgear; power
Prior art date: 1956-02-10

Application number

Other languages

German (de)

Inventor

Fritz Dr Ing Kesselring

Original Assignee

Siemens Ag

Priority date (The priority date 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 date listed.)

1956-02-10

Filing date

1957-01-23

Publication date

1961-02-15

1957-01-23 Application filed by Siemens Ag filed Critical Siemens Ag

1961-02-15 Publication of CH352022A publication Critical patent/CH352022A/en

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
- H01H9/106—Adaptation for built-in fuses fuse and switch being connected in parallel
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/16—Impedances connected with contacts
- H01H33/161—Variable impedances
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the AC cycle
- H01H33/596—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the AC cycle for interrupting DC
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H87/00—Protective devices in which a current flowing through a liquid or solid is interrupted by the evaporation of the liquid or by the melting and evaporation of the solid when the current becomes excessive, the circuit continuity being reestablished on cooling

CH352022D 1956-02-10 1957-01-23 Power switchgear for direct and alternating current CH352022A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DES47432A DE1013349B (en)	1956-02-10	1956-02-10	Power switchgear for direct and alternating current

Publications (1)

Publication Number	Publication Date
CH352022A true CH352022A (en)	1961-02-15

Family

ID=7486414

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH352022D CH352022A (en)	1956-02-10	1957-01-23	Power switchgear for direct and alternating current

Country Status (3)

Country	Link
CH (1)	CH352022A (en)
DE (1)	DE1013349B (en)
FR (1)	FR1165331A (en)

1956
- 1956-02-10 DE DES47432A patent/DE1013349B/en active Pending
1957
- 1957-01-23 CH CH352022D patent/CH352022A/en unknown
- 1957-01-26 FR FR1165331D patent/FR1165331A/en not_active Expired

Also Published As

Publication number	Publication date
FR1165331A (en)	1958-10-21
DE1013349B (en)	1957-08-08

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