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
GB19915/31A
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 CofiledCriticalGeneral Electric Co
Publication of GB390800ApublicationCriticalpatent/GB390800A/en
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
Landscapes
Protection Of Static Devices
(AREA)
Abstract
390,800. Protective cut-out arrangements. INTERNATIONAL GENERAL ELECTRIC CO., Inc., 120, Broadway, New York, U.S.A. - (Assignees of Allgemeine Elektricitõts-Ges.; 2, Friedrich Karl-Ufer, Berlin.) July 10, 1931, No. 19915. Convention date, July 10, 1930. Void [Published under Sect. 91 of the Acts]. Drawings to Specification. [Class 38 (v).] A protective arrangement for portable apparatus is arranged in combination with the socket connecting the latter to the supply and includes a thermal and a magnetic overload release and a differential-current release for frame faults. The details of the invention are not sufficiently clear to enable a satisfactory abridgment to be made, but include a testing resistance and indicators for the various types of fault dealt with.
GB19915/31A1930-07-101931-07-10Improvements in and relating to protective apparatus for electric circuits
ExpiredGB390800A
(en)