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ZA73314B - Improvements in electric switchgear - Google Patents

Improvements in electric switchgear

Info

Publication number
ZA73314B
ZA73314B ZA730314A ZA73314A ZA73314B ZA 73314 B ZA73314 B ZA 73314B ZA 730314 A ZA730314 A ZA 730314A ZA 73314 A ZA73314 A ZA 73314A ZA 73314 B ZA73314 B ZA 73314B
Authority
ZA
South Africa
Prior art keywords
electric switchgear
switchgear
electric
Prior art date
Application number
ZA730314A
Inventor
D Thomas
Original Assignee
Sangamo Weston
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 Sangamo Weston filed Critical Sangamo Weston
Publication of ZA73314B publication Critical patent/ZA73314B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H61/02—Electrothermal relays wherein the thermally-sensitive member is heated indirectly, e.g. resistively, inductively
ZA730314A 1972-01-25 1973-01-16 Improvements in electric switchgear ZA73314B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB349672*[A GB1398302A (en) 1972-01-25 1972-01-25 Electric switching devices

Publications (1)

Publication Number Publication Date
ZA73314B true ZA73314B (en) 1973-11-28

Family

ID=9759432

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA730314A ZA73314B (en) 1972-01-25 1973-01-16 Improvements in electric switchgear

Country Status (4)

Country Link
US (1) US3827009A (en)
AU (1) AU5126073A (en)
GB (1) GB1398302A (en)
ZA (1) ZA73314B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2748223A (en) * 1952-08-21 1956-05-29 Micro Balancing Inc Thermostatic control means
US2872548A (en) * 1955-12-01 1959-02-03 Fed Pacific Electric Co Motor starters
US3546651A (en) * 1967-12-08 1970-12-08 Texas Instruments Inc Thermal time delay relay
GB1250773A (en) * 1968-11-23 1971-10-20
US3624579A (en) * 1970-09-23 1971-11-30 Honeywell Inc Anticipating thermostat
US3702454A (en) * 1971-09-24 1972-11-07 Montec Corp Ambient compensated time delay switch

Also Published As

Publication number Publication date
US3827009A (en) 1974-07-30
AU5126073A (en) 1974-07-25
GB1398302A (en) 1975-06-18

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