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Class Information
Number: 335/132
Name: Electricity: magnetically operated switches, magnets, and electromagnets > Electromagnetically actuated switches > Multiple contact type > With adjustable, replaceable or interchangeable structural features
Description: Subject matter wherein the structure includes at least one structural unit which is specifically described as adapted to be adjusted, interchangeable, removable or replaceable without effecting the operativeness of the device as a whole or whereby some operative characteristic of the device may be varied.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8686815 Apparatus of modular trip mechanism and auxiliary mechanism for circuit breaker Apr. 1, 2014
8674796 Relay Mar. 18, 2014
8618897 Switching device and terminal-side accessories Dec. 31, 2013
8581680 Connecting device adaptable to different contactors Nov. 12, 2013
8570124 Starting switch structure Oct. 29, 2013
8564386 Electrical switching device Oct. 22, 2013
8502628 Magnetic chamber for electromagnetic low voltage switchgear, and electromagnetic low voltage switchgear Aug. 6, 2013
8466761 Polarized electromagnet Jun. 18, 2013
8461947 Installation switching device Jun. 11, 2013
8456261 Electromagnetic switch Jun. 4, 2013
8427262 Electromagnetic contactor with abrasion preventing means Apr. 23, 2013
8421561 High frequency relay and its connection structure Apr. 16, 2013
8400239 Switching device and method for inserting or removing a tolerance insert in a magnet chamber of a switching device Mar. 19, 2013
8390409 Switching device and method for inserting or removing a tolerance insert in a magnet chamber of a switching device Mar. 5, 2013
8390408 Electromagnetic switch incorporating contact displacement limiting members for preventing unreliable operation caused by wear of switch contacts Mar. 5, 2013
8378767 Electromagnetic contact device Feb. 19, 2013
8334741 Switching device Dec. 18, 2012
8324993 Electromagnetic contact device Dec. 4, 2012
8324994 Riversible electromagnetic contactor Dec. 4, 2012
8324995 Starter magnet switch and manufacturing method of the same Dec. 4, 2012
8319587 Device for sectioning an electrical circuit and a system for distributing electrical energy including the sectioning device Nov. 27, 2012
8305170 Electromagnetic switching device having a plurality of areas graduated relative to one another Nov. 6, 2012
8289111 Electromagnetic contactor Oct. 16, 2012
8289110 Electromagnetic switching device Oct. 16, 2012
8279028 Electromagnetic relay Oct. 2, 2012
8274346 Electromagnetic contact device Sep. 25, 2012
8269585 Movable contact assembly of electromagnetic switch Sep. 18, 2012
8258901 Energy-saving electromagnetic switch device Sep. 4, 2012
8237524 Electromagnetic switching device Aug. 7, 2012
8222981 Electrical switching device Jul. 17, 2012
8217740 Electromagnetic relay Jul. 10, 2012
8212638 Electromagnet for an electrical contactor Jul. 3, 2012
8188819 Switching device unit for switiching at least two operating states May. 29, 2012
8179217 Electromagnet device May. 15, 2012
8169281 Starter for engines and its starting circuit May. 1, 2012
8159321 Production method for an electromagnetic switching device having partition walls between primary and auxiliary contacts and an electromagnetic switching device produced according to the produc Apr. 17, 2012
8143979 Electromagnetic relay for starters Mar. 27, 2012
8138440 Medium-voltage circuit-breaker Mar. 20, 2012
8138862 Double break installation switchgear Mar. 20, 2012
8138872 Contact device Mar. 20, 2012
8115578 Relay Feb. 14, 2012
8093973 Movable contact holder of electrical apparatus and assembling method of the movable contact holder Jan. 10, 2012
8058574 Auxiliary contact block for expanding a switching device Nov. 15, 2011
8054612 Plug-in unit including a breaker and an electric device Nov. 8, 2011
8040211 Coil unit of electromagnetic contactor and assembling method thereof Oct. 18, 2011
8035044 Service switching device with double-break contacts Oct. 11, 2011
7990240 Epoxy sealed relay Aug. 2, 2011
7990239 Electricity meter contact arrangement Aug. 2, 2011
7978036 Method and device for the secure operation of a switching device Jul. 12, 2011
7973623 Starter for engines and its starting circuit Jul. 5, 2011

1 2 3 4 5 6 7 8 9










 
 
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