ZA727537B - Key operated electric circuit breaker - Google Patents

Key operated electric circuit breaker

Info

Publication number
ZA727537B
ZA727537B ZA727537A ZA727537A ZA727537B ZA 727537 B ZA727537 B ZA 727537B ZA 727537 A ZA727537 A ZA 727537A ZA 727537 A ZA727537 A ZA 727537A ZA 727537 B ZA727537 B ZA 727537B
Authority
ZA
South Africa
Prior art keywords
circuit breaker
electric circuit
key operated
operated electric
key
Prior art date
Application number
ZA727537A
Other languages
English (en)
Inventor
J Leonard
R Quick
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
Publication of ZA727537B publication Critical patent/ZA727537B/xx

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
ZA727537A 1971-10-27 1972-10-23 Key operated electric circuit breaker ZA727537B (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
ZA727537B true ZA727537B (en) 1973-07-25

Family

ID=22711493

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA727537A ZA727537B (en) 1971-10-27 1972-10-23 Key operated electric circuit breaker

Country Status (5)

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

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 (de) 1981-03-27 1982-10-07 ddm hopt + schuler GmbH & Co KG, 7210 Rottweil Schluesselschalter
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 (zh) * 2003-06-13 2007-10-03 拉森特伯有限公司 用于电路断路器的安全互锁系统
CA2506876C (en) * 2004-05-10 2012-11-20 Gary Anderson Power tool lockdown device
US7007712B2 (en) * 2004-05-10 2006-03-07 Gary Anderson Pneumatic tool lock
US7750509B2 (en) * 2004-05-10 2010-07-06 Gary Anderson Power tool lockdown device
US7196278B2 (en) * 2005-03-03 2007-03-27 Leviton Manufacturing Co., Inc. Key operated security switch
WO2008128672A2 (de) * 2007-04-19 2008-10-30 Abb Ag Verriegelungsvorrichtung für ein installationsschaltgerät
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
GB1383800A (en) 1974-02-12
CA980389A (en) 1975-12-23
IT975383B (it) 1974-07-20
US3714383A (en) 1973-01-30

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