FR1091720A - Improvements to overcurrent relays - Google Patents

Improvements to overcurrent relays

Info

Publication number
FR1091720A
FR1091720A FR1091720DA FR1091720A FR 1091720 A FR1091720 A FR 1091720A FR 1091720D A FR1091720D A FR 1091720DA FR 1091720 A FR1091720 A FR 1091720A
Authority
FR
France
Prior art keywords
overcurrent relays
overcurrent
relays
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
Other languages
French (fr)
Inventor
Louis Debuit
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
Application granted granted Critical
Publication of FR1091720A publication Critical patent/FR1091720A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/36—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release
    • H01H73/44—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release reset by push-button, pull-knob or slide
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/12—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by voltage falling below a predetermined value, e.g. for no-volt protection
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/505—Latching devices between operating and release mechanism
    • H01H2071/506—Latching devices between operating and release mechanism using balls or rollers in the latching device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H2083/205—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition having shunt or UVR tripping device with integrated mechanical energy accumulator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H2083/208—Converting under voltage release [UVR] and shunt release

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
FR1091720D 1953-08-26 1953-08-26 Improvements to overcurrent relays Expired FR1091720A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1091720T 1953-08-26

Publications (1)

Publication Number Publication Date
FR1091720A true FR1091720A (en) 1955-04-14

Family

ID=9615564

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1091720D Expired FR1091720A (en) 1953-08-26 1953-08-26 Improvements to overcurrent relays

Country Status (1)

Country Link
FR (1) FR1091720A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2637121A1 (en) * 1988-09-27 1990-03-30 Merlin Gerin Auxiliary trip unit with reversible electromagnet for circuit breaker
EP0620580A1 (en) * 1993-04-16 1994-10-19 Schneider Electric Sa Auxiliary trip device for circuit breaker

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2637121A1 (en) * 1988-09-27 1990-03-30 Merlin Gerin Auxiliary trip unit with reversible electromagnet for circuit breaker
EP0620580A1 (en) * 1993-04-16 1994-10-19 Schneider Electric Sa Auxiliary trip device for circuit breaker
FR2704090A1 (en) * 1993-04-16 1994-10-21 Merlin Gerin Auxiliary Trigger for Circuit Breaker.
US5512720A (en) * 1993-04-16 1996-04-30 Merlin Gerin Auxiliary trip device for a circuit breaker

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