202108 ⎘
Contacts Means for testing or for inspecting contacts, e.g. wear indicator
Sub-classes:METHOD FOR DETERMINING AN ESTIMATED TRAVEL CURVE OF AN INTERRUPTER UNIT, AND INTERRUPTER UNIT FOR A GAS-INSULATED HIGH OR MEDIUM VOLTAGE DEVICE
#2Power Switching Device with Self Diagnostic Capability
#3DROPOUT RECLOSER
#4CIRCUIT BREAKERS INCORPORATING RESET LOCKOUT MECHANISMS
#5Electric Power Disconnect Switch With Integrated Bypass Switch
#6Monitoring Electrical Contactor Health
#7CONTACT FOR HIGH AMPERAGE SWITCH AND TEST METHOD FOR IDENTIFICATION OF CAUSES OF CONTACT FAILURE
#8SWITCH WITH SERVICE LIFE INDICATOR
#9PROCESS FOR DETECTING DEGRADATION OF A SWITCHING DEVICE
#10DETECTING WELDED RELAY CONTACTS USING MEASUREMENT AFTER CURRENT BREAK
#11DROPOUT RECLOSER
#12WAREWASH MACHINE OR OTHER FOOD EQUIPMENT MACHINE WITH CONTACTOR MONITORING SYSTEM
#13Power Contact Health Assessor Apparatus and Method
#14Switchgear system that determines contact erosion in circuit breaker
#15Arc detection system, arc detection method, and recording medium
#16CONTACTOR MONITORING
#17Switchgear system that determines contact erosion in circuit breaker
#18Systems and methods for relay contact assembly reduction
#19Circuit breakers incorporating reset lockout mechanisms
#20Method and device for determining contact thickness change of a contactor
#21Switching device for a medium voltage electrical circuit
#22Sliding contact arc suppression
#23High power, multi-phase, AC power contact arc suppressor
#24High speed arc suppressor
#25Circuit breakers incorporating reset lockout mechanisms
#26Dropout recloser
#27Electronic control device, work vehicle, and input circuit
#28Power contact health assessor apparatus and method
#29Power contact fault clearing device
#30METHOD FOR DIAGNOSING AN OPERATING STATE OF AN ELECTRICAL SWITCHING DEVICE AND ELECTRICAL SWITCHING DEVICE FOR IMPLEMENTING SUCH A METHOD
#31METHOD FOR DIAGNOSING AN OPERATING STATE OF AN ELECTRICAL SWITCHING DEVICE AND ELECTRICAL SWITCHING DEVICE FOR IMPLEMENTING SUCH A METHOD
#32Methods for estimating a property of an electrical switching device, devices for implementing these methods
#33Warewash machine or other food equipment machine with contactor monitoring system
#34Method for monitoring an electromechanical component of an automated system
#35Relay state prediction device, relay state prediction system, relay state prediction method, and non-transitory computer readable medium
#36Power contact health assessor apparatus and method
#37METHOD FOR CALCULATING THE CONTACT STATE OF AN ELECTRICAL SWITCH, AND ELECTRICAL SWITCH WITH SUCH A METHOD
#38Systems and methods for relay contact assembly reduction
#39Direct current contactor wear tracking
#40Determining a state of a switching unit
#41High power, multi-phase, AC power contact arc suppressor
#42Power contact fault clearing device
#43Power contact end-of-life (EoL) predictor apparatus and method
#44Sliding contact arc suppression
#45High speed arc suppressor
#46Contactor with contact carrier location sensing
#47Wet/dry contact sequencer
#48Circuit interrupter and method of determining contact wear based upon temperature
#49Switchgear with an optical monitoring system
#50Dropout recloser
#51High power, multi-phase, AC power contact arc suppressor
#52High speed arc suppressor
#53Power contact health assessor apparatus and method
#54Wet/dry contact sequencer
#55TEMPERATURE INDICATOR FOR ELECTRICAL EQUIPMENT
#56System and method for diagnosing contactor lifetime by using contactor coil current
#57Monitoring device for switching systems
#58Circuit interrupters with non-contact sensor systems for evaluating erosion of electrical contacts and related methods
#59Switch and method for manufacturing the switch
#60Circuit breakers incorporating reset lockout mechanisms
#61System and method for providing functional safety monitoring of relay contacts
#62Electromagnetically moving device
#63Electrical switching device and method for detecting associated wear
#64Switching arrangement
#65Temperature indicator for electrical equipment
#66Camera system for gas-insulated switchgear systems
#67Method and device for diagnosing wear of an electrical switching unit, and electrical unit comprising such a device
#68System and method for monitoring contact life of a circuit interrupter
#69Electronic switch
#70Switch cover
#71Electromagnetic contactor provided with means for detecting the open or closed position of controlled switches
#72System and method to predict a usable life of a vacuum interrupter in the field
#73Electrical wiring device with protective features
#74Circuit breaker characteristic monitoring device
#75Pivot supporting structure and circuit breaker
#76Temperature indicator for electrical equipment
#77Switch
#78Universal contact input supporting programmable wetting current
#79Method and system for verification of contact operation
#80Electrical parking brake device
#81Vibration sensor assembly for prognostic and diagnostic health assessment of a power circuit breaker's power transmission and distribution system in real time
#82Flexible magnetic field coil for measuring ionic quantity
#83Mechanical wear, wipe and stroke measurement system for circuit breakers
#84Apparatus, brush holder and system for monitoring brush wear
#85System and method for contact measurement circuit
#86Monitoring circuit for detecting a switching state of an electrical switching contact and method therefor
#87Mechanical wear, wipe and stroke measurement system for circuit breakers
#88Contact wear detection by spectral analysis shift
#89Portable diagnostic apparatus for testing circuit breakers
#90Electrical interruption apparatus with wear indicator
#91Device for detecting contact of an electrical conductor by a tool
#92Switching arrangement
#93Electromagnetic test device to predict a usable life of a vacuum interrupter in the field
#94Method to predict a usable life of a vacuum interrupter in the field
#95Device for indicating the state of a switching apparatus
#96System and method for monitoring relay contacts
#97Dropout recloser
#98Switching device and method for detecting malfunctioning of such a switching device
#99Method and apparatus for restoring mechanical relay from stuck fault to normal condition
#100Coil actuator for a switching device and related switching device
#101Temperature indicator for electrical equipment
#102Terminal blocks including integral safety relays having independently testable contacts
#103Circuit interrupter employing a linear transducer to monitor contact erosion
#104Tool and method for switching an electromagnetic relay
#105Method for evaluating the mechanical performances of a switchgear device and switchgear device for implementation of said method
#106Relay-welding detection circuit and power supplying system
#107Electromagnetic opening/closing device
#108Electromagnetic opening/closing device
#109Electromagnetic opening/closing device
#110Electromagnetic opening/closing device
#111Gas-insulated high-voltage switch for interruption of large currents
#112Flexible magnetic field coil for measuring ionic quantity
#113Method for detecting a switching position of a switching device
#114Method for diagnosing an operating state of a contactor and contactor for implementing said method
#115METHOD, DEVICE, AND SYSTEM FOR MONITORING A COMPONENT
#116Method and apparatus for determining the wear on a contact element
#117Switchgear assembly including a transparent viewing port for visual observation of contacts
#118Temperature indicators utilizing trace materials
#119Method of determining end-of-life of a fault interrupting device
#120Electrical wiring device with protective features
#121Circuit breaker interrupter travel curve estimation
#122Visible open for switchgear assembly
#123Relay failure detecting device, power-supply device, image forming apparatus, relay failure detecting method, and computer program product
#124DEVICE AND METHOD TO MONITOR ELECTRICAL CONTACT STATUS
#125Gas insulated switchgear and method for detecting arc damage in a gas insulated switchgear part
#126Evaluation of the integrity of depressed contacts by variation of the rotation of the pole-shaft
#127Electrical switchgear providing improved infrared predictive/preventive maintenance
#128METHOD FOR DETECTING A SWITCH POSITION OF AN ISOLATING SWITCH, OR OF A GROUNDING SWITCH
#129Control algorithm for freeing an EGR valve from contamination adhesion
#130System and method for monitoring displacement within energized tap changer compartments
#131SWITCHING DEVICE FOR SWITCHING AT LEAST ONE CURRENT
#132Circuit interrupting device with interconnecting reset and test buttons
#133Method for determining contact erosion of an electromagnetic switching device, and electromagnetic switching device comprising a mechanism operating according to said method
#134Circuit interrupting device with end-of life testing, reverse wiring and high voltage surge capability
#135Device for neutralizing an electric switching unit
#136Preventive maintenance tapping and duty cycle monitor for voltage regulator
#137Fault interrupting and reclosing device
#138GOLD-METAL OXIDE THIN FILMS FOR WEAR-RESISTANT MICROELECTROMECHANICAL SYSTEMS ("MEMS")
#139Gas insulated switchgear and method for detecting arc damage in a gas insulated switchgear part
#140Method and device for the secure operation of a switching device
#141Method and device for the secure operation of a switching device
#142Apparatus for monitoring the state of an electrical switching device
#143Contact verification method for a transfer switch mechanism
#144Method and device for securely operating a switching device
#145Electrical contact with double-Knife coupling, particularly for disconnectors, switches or the like
#146Sensor attached IC tag application high voltage equipment
#147Method and apparatus for monitoring wellness of contactors and starters
#148Method and device for the secure operation of a switching device
#149Method and device for the safe operation of a switching device
#150State grasp device, and switching control device of power switching apparatus employing the state grasp device
#151Device for detecting fluorescent trace material
#152Micro-Electromechanical Switch Performance Enhancement
#153Method for monitoring contact consumption in multiple contact switches
#154Device for detecting contact wear in switching appliances
#155Electrical device with fixed contacts, mobile contacts and inspectable arc chambers
#156Wireless system for one or more electrical switching apparatus
#157Self-powered power bus sensor employing wireless communication
#158Preventive maintenance tapping and duty cycle monitor for voltage regulator
#159Mechanical switching circuit
#160Switch contact arrangement with an erosion display for the switch contacts
#161Apparatus for electrical contact
#162Method for determining wear of a switchgear contacts
#163Method and apparatus for detecting wear in components of high voltage electrical equipment
#164Micro-electromechanical switch performance enhancement
#165Electromagnetic switch of engine starter
#166Medium voltage vacuum circuit interrupter
#167Electric contacts, electric contact apparatus and method for detecting abrasion of the electric contacts
#168Electromagnetic test device to predict a usable life of a vacuum interrupter in the field
#169Method to predict a usable life of a vacuum interrupter in the field