GB1458600A - Vacuum switch for low-tension contactors - Google Patents

Vacuum switch for low-tension contactors

Info

Publication number
GB1458600A
GB1458600A GB3648074A GB3648074A GB1458600A GB 1458600 A GB1458600 A GB 1458600A GB 3648074 A GB3648074 A GB 3648074A GB 3648074 A GB3648074 A GB 3648074A GB 1458600 A GB1458600 A GB 1458600A
Authority
GB
United Kingdom
Prior art keywords
vacuum switch
contactors
tension
low
vacuum
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
Application number
GB3648074A
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.)
Elektro Apparate Werke VEB
Original Assignee
Elektro Apparate Werke VEB
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 Elektro Apparate Werke VEB filed Critical Elektro Apparate Werke VEB
Priority to FR7524067A priority Critical patent/FR2281271A1/en
Publication of GB1458600A publication Critical patent/GB1458600A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

1458600 Vacuum switches KOMBINAT VEB ELECTRO - APPARATE - WERKE BERLIN-TREPTOW 19 Aug 1974 [20 Dec 1973] 36480/74 Heading H1N A vacuum switch for use in a low voltage contactor (up to 1000 v. rating) and with a rated current of up to 630 Amp has an internal pressure in the range 10<SP>-3</SP> to 10<SP>-2</SP> Torr under normal current carrying conditions.
GB3648074A 1973-12-20 1974-08-19 Vacuum switch for low-tension contactors Expired GB1458600A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7524067A FR2281271A1 (en) 1974-08-19 1975-08-01 VTOL aircraft with retractable exhaust deflexion flap - has air feed into flap which is pivotal downwards and forwards

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD17550473A DD108407A1 (en) 1973-12-20 1973-12-20

Publications (1)

Publication Number Publication Date
GB1458600A true GB1458600A (en) 1976-12-15

Family

ID=5493990

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3648074A Expired GB1458600A (en) 1973-12-20 1974-08-19 Vacuum switch for low-tension contactors

Country Status (4)

Country Link
DD (1) DD108407A1 (en)
DE (1) DE2452075A1 (en)
GB (1) GB1458600A (en)
SU (1) SU570120A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004040610A1 (en) * 2002-10-29 2004-05-13 The University Of Liverpool Circuit breaker

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2932407C2 (en) * 1979-08-09 1982-05-27 Siemens AG, 1000 Berlin und 8000 München Low voltage contactor with three-phase contact set
US4426560A (en) * 1980-11-13 1984-01-17 Westinghouse Electric Corp. Reduced pressure electrical switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004040610A1 (en) * 2002-10-29 2004-05-13 The University Of Liverpool Circuit breaker

Also Published As

Publication number Publication date
DE2452075A1 (en) 1975-07-03
DD108407A1 (en) 1974-09-12
SU570120A1 (en) 1977-08-25

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee