GB370122A - Improvements in or relating to voltage failure protection devices - Google Patents

Improvements in or relating to voltage failure protection devices

Info

Publication number
GB370122A
GB370122A GB527031A GB527031A GB370122A GB 370122 A GB370122 A GB 370122A GB 527031 A GB527031 A GB 527031A GB 527031 A GB527031 A GB 527031A GB 370122 A GB370122 A GB 370122A
Authority
GB
United Kingdom
Prior art keywords
plate
contacts
latch
overload
switches
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
GB527031A
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.)
Cutler Hammer Europe Ltd
Original Assignee
Igranic Electric 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
Priority to NL32003D priority Critical patent/NL32003C/xx
Application filed by Igranic Electric Co Ltd filed Critical Igranic Electric Co Ltd
Priority to GB527031A priority patent/GB370122A/en
Publication of GB370122A publication Critical patent/GB370122A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/12—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to underload or no-load
    • H02H3/13—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to underload or no-load for multiphase applications, e.g. phase interruption
    • 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
    • H01H83/12—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by voltage falling below a predetermined value, e.g. for no-volt protection

Landscapes

  • Breakers (AREA)
GB527031A 1931-02-19 1931-02-19 Improvements in or relating to voltage failure protection devices Expired GB370122A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL32003D NL32003C (enrdf_load_html_response) 1931-02-19
GB527031A GB370122A (en) 1931-02-19 1931-02-19 Improvements in or relating to voltage failure protection devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB527031A GB370122A (en) 1931-02-19 1931-02-19 Improvements in or relating to voltage failure protection devices

Publications (1)

Publication Number Publication Date
GB370122A true GB370122A (en) 1932-04-07

Family

ID=9792924

Family Applications (1)

Application Number Title Priority Date Filing Date
GB527031A Expired GB370122A (en) 1931-02-19 1931-02-19 Improvements in or relating to voltage failure protection devices

Country Status (2)

Country Link
GB (1) GB370122A (enrdf_load_html_response)
NL (1) NL32003C (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741080C (de) * 1938-05-31 1943-11-04 Siemens Ag Elektromagnetische Schalt- bzw. Steuereinrichtung
US2431886A (en) * 1941-06-13 1947-12-02 Pavitt Frederick James Over-current and under-current protective switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741080C (de) * 1938-05-31 1943-11-04 Siemens Ag Elektromagnetische Schalt- bzw. Steuereinrichtung
US2431886A (en) * 1941-06-13 1947-12-02 Pavitt Frederick James Over-current and under-current protective switch

Also Published As

Publication number Publication date
NL32003C (enrdf_load_html_response)

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