AT187584B - Release for switching devices to protect multi-phase motors against overcurrent and single-phase operation - Google Patents

Release for switching devices to protect multi-phase motors against overcurrent and single-phase operation

Info

Publication number
AT187584B
AT187584B AT187584DA AT187584B AT 187584 B AT187584 B AT 187584B AT 187584D A AT187584D A AT 187584DA AT 187584 B AT187584 B AT 187584B
Authority
AT
Austria
Prior art keywords
phase
release
switching devices
against overcurrent
motors against
Prior art date
Application number
Other languages
German (de)
Inventor
Eduard Dr Schrack
Original Assignee
Eduard Dr Schrack
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 Eduard Dr Schrack filed Critical Eduard Dr Schrack
Priority to AT193468D priority Critical patent/AT193468B/en
Application granted granted Critical
Publication of AT187584B publication Critical patent/AT187584B/en

Links

Classifications

    • 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
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • 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
    • 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
    • H01H71/7427—Adjusting only the electrothermal mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
AT187584D 1954-12-23 1954-12-23 Release for switching devices to protect multi-phase motors against overcurrent and single-phase operation AT187584B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT193468D AT193468B (en) 1954-12-23 1955-06-15 Release for switching devices to protect multi-phase motors against overcurrent and single-phase operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT187584T 1954-12-23

Publications (1)

Publication Number Publication Date
AT187584B true AT187584B (en) 1956-11-10

Family

ID=3663926

Family Applications (1)

Application Number Title Priority Date Filing Date
AT187584D AT187584B (en) 1954-12-23 1954-12-23 Release for switching devices to protect multi-phase motors against overcurrent and single-phase operation

Country Status (1)

Country Link
AT (1) AT187584B (en)

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