GB2078000B - Circuit breaker - Google Patents

Circuit breaker

Info

Publication number
GB2078000B
GB2078000B GB8018905A GB8018905A GB2078000B GB 2078000 B GB2078000 B GB 2078000B GB 8018905 A GB8018905 A GB 8018905A GB 8018905 A GB8018905 A GB 8018905A GB 2078000 B GB2078000 B GB 2078000B
Authority
GB
United Kingdom
Prior art keywords
circuit breaker
breaker
circuit
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
GB8018905A
Other versions
GB2078000A (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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB8018905A priority Critical patent/GB2078000B/en
Publication of GB2078000A publication Critical patent/GB2078000A/en
Application granted granted Critical
Publication of GB2078000B publication Critical patent/GB2078000B/en
Expired legal-status Critical Current

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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/528—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a toggle or collapsible link between handle and contact arm, e.g. sear pin mechanism
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
GB8018905A 1980-06-10 1980-06-10 Circuit breaker Expired GB2078000B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8018905A GB2078000B (en) 1980-06-10 1980-06-10 Circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8018905A GB2078000B (en) 1980-06-10 1980-06-10 Circuit breaker

Publications (2)

Publication Number Publication Date
GB2078000A GB2078000A (en) 1981-12-23
GB2078000B true GB2078000B (en) 1984-06-20

Family

ID=10513929

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8018905A Expired GB2078000B (en) 1980-06-10 1980-06-10 Circuit breaker

Country Status (1)

Country Link
GB (1) GB2078000B (en)

Also Published As

Publication number Publication date
GB2078000A (en) 1981-12-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee