FR2441938A1 - Medium voltage switch fuse tripping mechanism - actuates switch if fuse blows by pin driven spring passing dead centre position - Google Patents

Medium voltage switch fuse tripping mechanism - actuates switch if fuse blows by pin driven spring passing dead centre position

Info

Publication number
FR2441938A1
FR2441938A1 FR7832705A FR7832705A FR2441938A1 FR 2441938 A1 FR2441938 A1 FR 2441938A1 FR 7832705 A FR7832705 A FR 7832705A FR 7832705 A FR7832705 A FR 7832705A FR 2441938 A1 FR2441938 A1 FR 2441938A1
Authority
FR
France
Prior art keywords
fuse
centre position
switch
contactor
plate
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
FR7832705A
Other languages
French (fr)
Other versions
FR2441938B1 (en
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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin SA
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 Merlin Gerin SA filed Critical Merlin Gerin SA
Priority to FR7832705A priority Critical patent/FR2441938A1/en
Priority to YU27079A priority patent/YU40840B/en
Publication of FR2441938A1 publication Critical patent/FR2441938A1/en
Application granted granted Critical
Publication of FR2441938B1 publication Critical patent/FR2441938B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H01H71/122—Automatic release mechanisms with or without manual release actuated by blowing of a fuse

Landscapes

  • Fuses (AREA)
  • Breakers (AREA)

Abstract

A three-phase medium-voltage switch for electric motor supply comprises an SF6 - filled contactor (12) in series with three fuses (14 R, S, T). The glowing of any fuse to protect the circuits in the event of a fault, is required to actuate a mechanism causing opending of the contactor. This is achieved by a striker pin leaving the bottom of the fuse and displacing a pivoted plate. Each plate is associated with a specially shaped spring (54) the other ends of which all surround a transversely mounted rod (50). The springs convert vertical movement of the pins and plates into horizontal movement of the rod by pressing upon collars (60, R, S, T). Displacement of the rod tilts a cranked level (52) which actuates a microswitch (34) and the contactor control (36). Re-closure is prevented until replacement of the blown fuse(s). The shape of the spring is such that a small force from the plate is sufficient to move it past a dead-centre position after which the opening regime follows.
FR7832705A 1978-11-17 1978-11-17 Medium voltage switch fuse tripping mechanism - actuates switch if fuse blows by pin driven spring passing dead centre position Granted FR2441938A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7832705A FR2441938A1 (en) 1978-11-17 1978-11-17 Medium voltage switch fuse tripping mechanism - actuates switch if fuse blows by pin driven spring passing dead centre position
YU27079A YU40840B (en) 1978-11-17 1979-02-07 Shock arrangaments for switching-off electric interrupters with melting fuses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7832705A FR2441938A1 (en) 1978-11-17 1978-11-17 Medium voltage switch fuse tripping mechanism - actuates switch if fuse blows by pin driven spring passing dead centre position

Publications (2)

Publication Number Publication Date
FR2441938A1 true FR2441938A1 (en) 1980-06-13
FR2441938B1 FR2441938B1 (en) 1981-04-17

Family

ID=9215090

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7832705A Granted FR2441938A1 (en) 1978-11-17 1978-11-17 Medium voltage switch fuse tripping mechanism - actuates switch if fuse blows by pin driven spring passing dead centre position

Country Status (2)

Country Link
FR (1) FR2441938A1 (en)
YU (1) YU40840B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0817346A1 (en) * 1996-07-02 1998-01-07 Société Nouvelle Transfix Protection device against the effects of internal faults in an electrical apparatus
FR2759212A1 (en) * 1997-02-06 1998-08-07 Abb Transmit Oy CIRCUIT BREAKER FOR DISCONNECTING AN ELECTRICAL APPARATUS FROM AN ELECTRICAL NETWORK
WO2003069647A1 (en) * 2002-02-15 2003-08-21 Grupo Ormazabal, S.A. Transmission system for tripping a fuse holder
FR2999792A1 (en) * 2012-12-19 2014-06-20 Transfix Safety device for medium voltage/low voltage electrical distribution transformer for converting medium voltage into low voltage, has tank comprising feedthroughs, where number of feedthroughs is twice as number of supply phases of appliance

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1126976B (en) * 1958-11-14 1962-04-05 Siemens Ag Protective device against premature activation of an overcurrent multi-phase switch-disconnector
DE1193132B (en) * 1961-11-08 1965-05-20 Sachsenwerk Licht & Kraft Ag Switchgear with high-performance fuses for short interruptions
US3400353A (en) * 1966-06-30 1968-09-03 S & C Electric Co Metal enclosed switchgear with series connected switch means, circuit interrupter means, current responsive means and operating means mounted on door

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1126976B (en) * 1958-11-14 1962-04-05 Siemens Ag Protective device against premature activation of an overcurrent multi-phase switch-disconnector
DE1193132B (en) * 1961-11-08 1965-05-20 Sachsenwerk Licht & Kraft Ag Switchgear with high-performance fuses for short interruptions
US3400353A (en) * 1966-06-30 1968-09-03 S & C Electric Co Metal enclosed switchgear with series connected switch means, circuit interrupter means, current responsive means and operating means mounted on door

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0817346A1 (en) * 1996-07-02 1998-01-07 Société Nouvelle Transfix Protection device against the effects of internal faults in an electrical apparatus
FR2750809A1 (en) * 1996-07-02 1998-01-09 Transfix Soc Nouv DEVICE FOR PROTECTING THE EFFECTS OF INTERNAL FAULTS OF AN ELECTRICAL APPARATUS
FR2759212A1 (en) * 1997-02-06 1998-08-07 Abb Transmit Oy CIRCUIT BREAKER FOR DISCONNECTING AN ELECTRICAL APPARATUS FROM AN ELECTRICAL NETWORK
WO1998035419A1 (en) 1997-02-06 1998-08-13 Abb Transmit Oy Circuit breaker for disconnecting an electrical apparatus from electrical network
BE1012970A5 (en) * 1997-02-06 2001-07-03 Abb Transmit Oy Circuit breaker to disconnect electrical equipment electric network.
US6479780B2 (en) 1997-02-06 2002-11-12 Abb Oy Circuit breaker for disconnecting an electrical apparatus from electrical network
WO2003069647A1 (en) * 2002-02-15 2003-08-21 Grupo Ormazabal, S.A. Transmission system for tripping a fuse holder
FR2999792A1 (en) * 2012-12-19 2014-06-20 Transfix Safety device for medium voltage/low voltage electrical distribution transformer for converting medium voltage into low voltage, has tank comprising feedthroughs, where number of feedthroughs is twice as number of supply phases of appliance

Also Published As

Publication number Publication date
YU40840B (en) 1986-06-30
YU27079A (en) 1982-06-30
FR2441938B1 (en) 1981-04-17

Similar Documents

Publication Publication Date Title
US4286242A (en) Mechanical interlock for low voltage circuit breakers
AU595535B2 (en) Modular integral circuit interrupter
GB2202089A (en) Electrical switch drive mechanism
US3544931A (en) Circuit breaker with improved trip means
FR2441938A1 (en) Medium voltage switch fuse tripping mechanism - actuates switch if fuse blows by pin driven spring passing dead centre position
US4110584A (en) Load break switch with transparent internal shield
US3760307A (en) Circuit breaker with overcurrent trip switch
US4049936A (en) Quick-acting movable operating-column tripping device
US3849619A (en) Circuit breaker with reverse override device
US3526735A (en) Repeating circuit interrupter
US3530263A (en) Switching isolators
US3582595A (en) Trip-free switch-operating mechanism
CA1282101C (en) Circuit interrupter with integral stop means for contact arm
US3750059A (en) Circuit interrupting apparatus
US4114003A (en) Quick-acting movable operating-column tripping device
GB2030777A (en) Vacuum-type switching apparatus
RU182065U1 (en) AUTOMATIC SWITCH
US3207879A (en) Operating mechanism for circuit breakers
GB831586A (en) Improvements in or relating to electric switches
US3601565A (en) Vacuum circuit interrupter with high voltage switch compartment and low voltage operating mechanism compartment separated by a grounded metallic partition
US980863A (en) Electric switch.
US4363063A (en) Load break switch with built-in ground fault sensing
US3576967A (en) Switch construction with load break device having one or more movable slats with heat spacers
US2849556A (en) Cover interlock assembly
US2656434A (en) Time delay relay

Legal Events

Date Code Title Description
ST Notification of lapse