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CH484508A - Electric current limit switch - Google Patents

Electric current limit switch

Info

Publication number
CH484508A
CH484508A CH138168A CH138168A CH484508A CH 484508 A CH484508 A CH 484508A CH 138168 A CH138168 A CH 138168A CH 138168 A CH138168 A CH 138168A CH 484508 A CH484508 A CH 484508A
Authority
CH
Switzerland
Prior art keywords
electric current
limit switch
current limit
switch
electric
Prior art date
Application number
CH138168A
Other languages
German (de)
Inventor
Bianchi Achille
Mostosi Angelo
Original Assignee
Sace Spa
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 Sace Spa filed Critical Sace Spa
Publication of CH484508A publication Critical patent/CH484508A/en

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
    • H01H73/02—Details
    • H01H73/18—Means for extinguishing or suppressing arc
    • 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
    • H01H71/04—Means for indicating condition of the switching device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
    • 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
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/046—Means for indicating condition of the switching device exclusively by position of operating part, e.g. with additional labels or marks but no other movable indicators
    • 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
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2418—Electromagnetic mechanisms combined with an electrodynamic current limiting mechanism
    • H01H2071/2427—Electromagnetic mechanisms combined with an electrodynamic current limiting mechanism with blow-off movement tripping mechanism, e.g. electrodynamic effect on contacts trips the traditional trip device before it can unlatch the spring mechanism by itself
    • 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
    • H01H2071/507—Latching devices between operating and release mechanism being collapsible, e.g. yielding elastically, when the opening force is higher than a predetermined value
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H2071/7481—Means for adjusting the conditions under which the device will function to provide protection with indexing means for magnetic or thermal tripping adjustment knob
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/046—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H using snap closing mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/046—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H using snap closing mechanisms
    • H01H2300/048—Snap closing by latched movable contact, wherein the movable contact is held in a minimal distance from the fixed contact during first phase of closing sequence in which a closing spring is charged
    • 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
    • H01H71/504—Manual reset mechanisms which may be also used for manual release provided with anti-rebound means
    • 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
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/522—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism
    • 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
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/522—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism
    • H01H71/525—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism comprising a toggle between cradle and contact arm and mechanism spring acting between handle and toggle knee
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
    • H01H77/102—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement
    • H01H77/104—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement with a stable blow-off position

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CH138168A 1967-01-30 1968-01-30 Electric current limit switch CH484508A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1205567 1967-01-30
IT2330767 1967-11-29

Publications (1)

Publication Number Publication Date
CH484508A true CH484508A (en) 1970-01-15

Family

ID=26326460

Family Applications (1)

Application Number Title Priority Date Filing Date
CH138168A CH484508A (en) 1967-01-30 1968-01-30 Electric current limit switch

Country Status (10)

Country Link
US (1) US3523261A (en)
BE (1) BE710116A (en)
CH (1) CH484508A (en)
DE (1) DE1638114C3 (en)
DK (1) DK137556B (en)
FR (1) FR1553328A (en)
GB (1) GB1193222A (en)
NL (1) NL6801378A (en)
NO (1) NO129929B (en)
SE (1) SE348592B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2295553A1 (en) * 1974-12-17 1976-07-16 Saparel Circuit breaker for consumer - uses single unit in multiple format with arc extinction and optional trips

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002084A1 (en) * 1979-03-27 1980-10-02 Varian Associates Superconducting junction
SE448794B (en) * 1983-07-04 1987-03-16 Asea Ab Current limiting switches
DE3433624A1 (en) * 1984-09-13 1986-03-20 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim AUTOMATICALLY APPLICABLE, CURRENT-LIMITING SWITCH
DE19635366A1 (en) * 1996-08-21 1998-02-26 Siemens Ag Movable contact arrangement for a low-voltage circuit breaker with a pivot bearing
ITMI20011066A1 (en) * 2001-05-22 2002-11-22 Gewiss Spa BOXED MAGNETOTHERMAL ELECTRIC SWITCH
US7351927B1 (en) * 2006-10-13 2008-04-01 Eaton Corporation Electrical switch, conductor assembly, and independent flexible conductive elements therefor
US7646269B2 (en) * 2007-03-07 2010-01-12 Eaton Corporation Electrical switching apparatus, and conductor assembly and shunt assembly therefor
EP2898525B1 (en) * 2012-09-20 2017-04-26 Eaton Electrical IP GmbH & Co. KG Circuit breaker contact system
CN109036985B (en) * 2018-07-13 2024-10-01 浙江正泰电器股份有限公司 Circuit breaker
CN109950103B (en) * 2019-04-28 2023-10-31 乐清市赛翔电气有限公司 Circuit breaker operating mechanism and circuit breaker
CN112490089A (en) * 2020-12-25 2021-03-12 浙江奥来电器有限公司 Locking device of circuit breaker
CN112563086A (en) * 2020-12-25 2021-03-26 浙江奥来电器有限公司 Lock catch spring device on circuit breaker

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127488A (en) * 1960-07-18 1964-03-31 Ite Circuit Breaker Ltd Current limiting circuit breaker having both contacts movable
US3134879A (en) * 1962-06-20 1964-05-26 Gen Electric Electric circuit breaker with lock-open latch
FR1388664A (en) * 1963-06-27 1965-02-12 Comp Generale Electricite Independent closing device for electrical devices
US3299244A (en) * 1965-10-11 1967-01-17 Ite Circuit Breaker Ltd Anti-rebound latch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2295553A1 (en) * 1974-12-17 1976-07-16 Saparel Circuit breaker for consumer - uses single unit in multiple format with arc extinction and optional trips

Also Published As

Publication number Publication date
BE710116A (en) 1968-05-30
FR1553328A (en) 1969-01-10
DE1788148B2 (en) 1976-01-29
SE348592B (en) 1972-09-04
DE1638114C3 (en) 1979-09-13
US3523261A (en) 1970-08-04
DE1638114A1 (en) 1971-05-27
GB1193222A (en) 1970-05-28
DK137556B (en) 1978-03-20
DE1788148A1 (en) 1973-05-24
NL6801378A (en) 1968-07-31
NO129929B (en) 1974-06-10
DE1638114B2 (en) 1973-03-01
DK137556C (en) 1978-09-04

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Legal Events

Date Code Title Description
PL Patent ceased