GB242273A - Thermally acting excess current time release for switch apparatus - Google Patents

Thermally acting excess current time release for switch apparatus

Info

Publication number
GB242273A
GB242273A GB26780/25A GB2678025A GB242273A GB 242273 A GB242273 A GB 242273A GB 26780/25 A GB26780/25 A GB 26780/25A GB 2678025 A GB2678025 A GB 2678025A GB 242273 A GB242273 A GB 242273A
Authority
GB
United Kingdom
Prior art keywords
excess current
rod
current
current time
armature
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
GB26780/25A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB242273A publication Critical patent/GB242273A/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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/44—Automatic release mechanisms with or without manual release having means for introducing a predetermined time delay

Landscapes

  • Breakers (AREA)

Abstract

242,273. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitõts Ges.). Oct. 29, 1924, [Convention date]. Electrically tripped and released switches. -In thermally-sensitive excess current switches, an electromagnet h carrying the current has an armature g normally locked in its unattracted position by a rod t attached to a three-armed lever e, c to one end of which is attached a wire a adapted to be heated by the current. Continuing excess current causes the wire a to Lengthen, allowing the lever system to turn counterclockwise under the influence of a spring d so that the armature is unlocked and is attracted by the pole n of the magnet, and, in its movement, trips the switchoperating arm or shaft i by means of a catch f. On violent overload the rod t is pushed up against the spring k, which is normally strong enough to maintain the rod in position.
GB26780/25A 1924-10-29 1925-10-26 Thermally acting excess current time release for switch apparatus Expired GB242273A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE242273X 1924-10-29

Publications (1)

Publication Number Publication Date
GB242273A true GB242273A (en) 1926-10-14

Family

ID=5915211

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26780/25A Expired GB242273A (en) 1924-10-29 1925-10-26 Thermally acting excess current time release for switch apparatus

Country Status (1)

Country Link
GB (1) GB242273A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232466A1 (en) * 1982-09-01 1984-03-01 Bayerische Motoren Werke AG, 8000 München SWITCHING ARRANGEMENT IN MOTOR VEHICLES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232466A1 (en) * 1982-09-01 1984-03-01 Bayerische Motoren Werke AG, 8000 München SWITCHING ARRANGEMENT IN MOTOR VEHICLES

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