CA980389A - Key operated electric circuit breaker - Google Patents

Key operated electric circuit breaker

Info

Publication number
CA980389A
CA980389A CA151,220A CA151220A CA980389A CA 980389 A CA980389 A CA 980389A CA 151220 A CA151220 A CA 151220A CA 980389 A CA980389 A CA 980389A
Authority
CA
Canada
Prior art keywords
circuit breaker
electric circuit
key operated
operated electric
key
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
CA151,220A
Inventor
James H. Leonard
Richard C. Quick
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.)
Schneider Electric USA Inc
Original Assignee
Square D Co
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 Square D Co filed Critical Square D Co
Application granted granted Critical
Publication of CA980389A publication Critical patent/CA980389A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
CA151,220A 1971-10-27 1972-09-08 Key operated electric circuit breaker Expired CA980389A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19290271A 1971-10-27 1971-10-27

Publications (1)

Publication Number Publication Date
CA980389A true CA980389A (en) 1975-12-23

Family

ID=22711493

Family Applications (1)

Application Number Title Priority Date Filing Date
CA151,220A Expired CA980389A (en) 1971-10-27 1972-09-08 Key operated electric circuit breaker

Country Status (5)

Country Link
US (1) US3714383A (en)
CA (1) CA980389A (en)
GB (1) GB1383800A (en)
IT (1) IT975383B (en)
ZA (1) ZA727537B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3858018A (en) * 1974-02-22 1974-12-31 Gen Electric Electrical switch with removable driving means
US3895205A (en) * 1974-05-20 1975-07-15 Square D Co Push-to-trip button structure for a molded case circuit breaker
US4107484A (en) * 1977-07-18 1978-08-15 Irvin Industries Inc. Safety switch
DE3112293A1 (en) 1981-03-27 1982-10-07 ddm hopt + schuler GmbH & Co KG, 7210 Rottweil Key-operated switch
US4598182A (en) * 1984-04-04 1986-07-01 Breslin Daniel V Lock inhibitor for toggle switch actuator
US5034576A (en) * 1990-02-20 1991-07-23 Proform Fitness Products, Inc. Console switch
CN100341216C (en) * 2003-06-13 2007-10-03 拉森特伯有限公司 Safety interlock system for circuit breaker
US7750509B2 (en) * 2004-05-10 2010-07-06 Gary Anderson Power tool lockdown device
US7317263B2 (en) * 2004-05-10 2008-01-08 Gary Anderson Power tool lockdown device
CA2506878C (en) * 2004-05-10 2011-11-22 Gary Anderson Pneumatic tool lock
US7196278B2 (en) * 2005-03-03 2007-03-27 Leviton Manufacturing Co., Inc. Key operated security switch
EP2137746B1 (en) * 2007-04-19 2014-12-31 Abb Ag Locking device for an installation switch device
US9876333B2 (en) * 2014-03-31 2018-01-23 Schneider Electric USA, Inc. Panelboard breaker compartment with disconnect features
NO343491B1 (en) 2017-04-07 2019-03-25 Interwell Norway As Anchor device and casing plug assembly

Also Published As

Publication number Publication date
IT975383B (en) 1974-07-20
GB1383800A (en) 1974-02-12
US3714383A (en) 1973-01-30
ZA727537B (en) 1973-07-25

Similar Documents

Publication Publication Date Title
AU467907B2 (en) Circuit breaker
CA977808A (en) Vacuum type electric circuit breaker
CA980389A (en) Key operated electric circuit breaker
CA960263A (en) Circuit breaker
CA975832A (en) Electrical switches
CA940176A (en) Electrical switch
CA935485A (en) Motor operated circuit breaker
CA977400A (en) Circuit breaker case
CA936206A (en) Key operated electrical switch
CA967627A (en) Parallel-pole circuit breaker
AU445838B2 (en) Circuit breaker
AU479915B2 (en) Power circuit breaker assembly
AU469902B2 (en) Electric circuit breaker
AU456175B2 (en) Electrical switches
AU466986B2 (en) Electric switch contacts
GB1343122A (en) Electric circuit breakers
CA870774A (en) Electrical circuit interrupter switch
CA1016224A (en) Circuit breaker case
CA998722A (en) Circuit breaker case
CA879261A (en) Multiphase electric circuit breaker
CA812312A (en) Electric key switches
CA883997A (en) Contact means for electric circuit breakers
CA866915A (en) Circuit breaker
CA862247A (en) Circuit breaker
CA887274A (en) Circuit breaker operating mechanism