GB363619A - Improvements in thermal overload trip switches - Google Patents

Improvements in thermal overload trip switches

Info

Publication number
GB363619A
GB363619A GB21983/30A GB2198330A GB363619A GB 363619 A GB363619 A GB 363619A GB 21983/30 A GB21983/30 A GB 21983/30A GB 2198330 A GB2198330 A GB 2198330A GB 363619 A GB363619 A GB 363619A
Authority
GB
United Kingdom
Prior art keywords
plate
lever
overload
press
spring
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
GB21983/30A
Other languages
English (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.)
Allen West and Co Ltd
Original Assignee
Allen West and Co Ltd
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 Allen West and Co Ltd filed Critical Allen West and Co Ltd
Priority to GB21983/30A priority Critical patent/GB363619A/en
Priority to NL57375A priority patent/NL32009C/xx
Priority to FR721912D priority patent/FR721912A/fr
Priority to BE382216D priority patent/BE382216A/xx
Publication of GB363619A publication Critical patent/GB363619A/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
    • H01H73/22—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 electrothermal release and no other automatic release
    • H01H73/24—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 electrothermal release and no other automatic release reset by lever

Landscapes

  • Breakers (AREA)
GB21983/30A 1930-07-21 1930-07-21 Improvements in thermal overload trip switches Expired GB363619A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB21983/30A GB363619A (en) 1930-07-21 1930-07-21 Improvements in thermal overload trip switches
NL57375A NL32009C (en:Method) 1930-07-21 1931-06-22
FR721912D FR721912A (fr) 1930-07-21 1931-08-24 Interrupteur thermique à surintensité
BE382216D BE382216A (en:Method) 1930-07-21 1931-08-25

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB21983/30A GB363619A (en) 1930-07-21 1930-07-21 Improvements in thermal overload trip switches
FR721912T 1931-08-24
BE382216T 1931-08-25

Publications (1)

Publication Number Publication Date
GB363619A true GB363619A (en) 1931-12-21

Family

ID=10172023

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21983/30A Expired GB363619A (en) 1930-07-21 1930-07-21 Improvements in thermal overload trip switches

Country Status (4)

Country Link
BE (1) BE382216A (en:Method)
FR (1) FR721912A (en:Method)
GB (1) GB363619A (en:Method)
NL (1) NL32009C (en:Method)

Also Published As

Publication number Publication date
NL32009C (en:Method) 1934-02-15
BE382216A (en:Method) 1931-09-30
FR721912A (fr) 1932-03-14

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