EP1914780A3 - Safety circuit breaker and locking device for a safety circuit breaker - Google Patents

Safety circuit breaker and locking device for a safety circuit breaker Download PDF

Info

Publication number
EP1914780A3
EP1914780A3 EP07118567A EP07118567A EP1914780A3 EP 1914780 A3 EP1914780 A3 EP 1914780A3 EP 07118567 A EP07118567 A EP 07118567A EP 07118567 A EP07118567 A EP 07118567A EP 1914780 A3 EP1914780 A3 EP 1914780A3
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
safety circuit
locking device
fuses
slots
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.)
Granted
Application number
EP07118567A
Other languages
German (de)
French (fr)
Other versions
EP1914780B1 (en
EP1914780A2 (en
Inventor
Gerhard Blaimer
Rolf-Eberhard Bruschke
Robert Protz
Steffen Scudlo
Alfred Stang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
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.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1914780A2 publication Critical patent/EP1914780A2/en
Publication of EP1914780A3 publication Critical patent/EP1914780A3/en
Application granted granted Critical
Publication of EP1914780B1 publication Critical patent/EP1914780B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H01H31/12—Adaptation for built-in fuse
    • H01H31/122—Fuses mounted on, or constituting the movable contact parts of, the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/0208—Tools for inserting and removing fuses

Landscapes

  • Fuses (AREA)

Abstract

In Sicherungslasttrennschaltern sind Sicherungen vermittels Hammerköpfen (14) in Schlitzen geführt und gehalten. Um zu verhindern, dass die Sicherungen (48) aus den Schlitzen (26) herausrutschen, müssen sie verriegelt werden. Hierzu wird eine Welle (32) bereitgestellt, an der ein Blockadeelement (34) angeordnet ist. Dieses ist in eine Aufnahmestellung kippbar, in der ein Einschieben der Sicherung (und gegebenenfalls ein Herausschieben) nicht behindert wird. In einer Blockierstellung hingegen blockiert das Blockadeelement (34) den Hammerkopf (14) einer so eingeschobenen Sicherung (48) in seiner Beweglichkeit und verhindert, dass die eingeschobene Sicherung (48) aus Versehen wieder herausgeschoben wird.

Figure imgaf001
In fuse switch disconnectors fuses are guided and held by means of hammer heads (14) in slots. To prevent the fuses (48) from slipping out of the slots (26), they must be locked. For this purpose, a shaft (32) is provided on which a blocking element (34) is arranged. This can be tilted into a receiving position in which an insertion of the fuse (and possibly a pushing out) is not hindered. In a blocking position, however, the blocking element (34) blocks the hammer head (14) of a retainer (48) pushed in this way in its mobility and prevents the inserted retainer (48) from being accidentally pushed out again.
Figure imgaf001
EP20070118567 2006-10-17 2007-10-16 Safety circuit breaker and locking device for a safety circuit breaker Active EP1914780B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200610049812 DE102006049812A1 (en) 2006-10-17 2006-10-17 Fuse switch disconnector and interlocking device for a fuse switch disconnector

Publications (3)

Publication Number Publication Date
EP1914780A2 EP1914780A2 (en) 2008-04-23
EP1914780A3 true EP1914780A3 (en) 2009-01-07
EP1914780B1 EP1914780B1 (en) 2014-08-06

Family

ID=38961788

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070118567 Active EP1914780B1 (en) 2006-10-17 2007-10-16 Safety circuit breaker and locking device for a safety circuit breaker

Country Status (2)

Country Link
EP (1) EP1914780B1 (en)
DE (1) DE102006049812A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102005316B (en) * 2009-08-31 2013-11-06 西门子公司 Safety interlock device of switch
EP2790201B1 (en) * 2013-04-12 2016-03-02 Jean Müller GmbH Elektrotechnische Fabrik Device cover of a low voltage high power fuse
EP2860746B1 (en) 2013-10-10 2017-02-22 Jean Müller GmbH Elektrotechnische Fabrik Assembly of two lids of circuit breakers

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2243945A1 (en) * 1972-09-07 1974-03-14 Mueller Jean Ohg Elektrotech Low and high tension safety device - for easier manipulation of fuses and charge separators, has injection moulded plastics cover
DE7808071U1 (en) * 1978-03-17 1978-06-29 Neu, Leopold, 7980 Ravensburg Two-part slip-on handle for NH fuse cartridges
DE29721452U1 (en) * 1997-12-04 1998-04-30 Woehner Gmbh & Co Kg Cover, especially for NH fuse switch disconnectors

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1010909A (en) * 1961-07-31 1965-11-24 Adele Oellrich Mining and conveying equipment for short wall working, especially in coal mines, and method of mining
DE19615444A1 (en) * 1996-04-19 1997-10-23 Efen Elektrotech Fab Locking device for fuse links in a disconnector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2243945A1 (en) * 1972-09-07 1974-03-14 Mueller Jean Ohg Elektrotech Low and high tension safety device - for easier manipulation of fuses and charge separators, has injection moulded plastics cover
DE7808071U1 (en) * 1978-03-17 1978-06-29 Neu, Leopold, 7980 Ravensburg Two-part slip-on handle for NH fuse cartridges
DE29721452U1 (en) * 1997-12-04 1998-04-30 Woehner Gmbh & Co Kg Cover, especially for NH fuse switch disconnectors

Also Published As

Publication number Publication date
EP1914780B1 (en) 2014-08-06
DE102006049812A1 (en) 2008-04-24
EP1914780A2 (en) 2008-04-23

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