Patents
Patents for H01H 47 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current (7,312)
12/2002
12/12/2002WO2002099446A1 Method and apparatus for controlling a magnetically actuated power switching device
12/12/2002US20020186015 Apparatus for controlling a magnetically actuated power switching device and method of controlling the same
12/12/2002US20020185916 Apparatus for controlling power distribution to devices
12/12/2002DE10124109A1 Monitoring magnetic valve circuit drift, e.g. for vehicle ABS, involves applying PWM input pulse sequence to switch elements to initiate difference measurement at subtraction stage by pulse counting
12/11/2002EP1264325A1 Electromagnetic switching device, in particular a contactor
12/11/2002EP0963594B1 Modular safety switch
12/11/2002CN1384515A 总线控制的继电器 Bus control relays
12/11/2002CN1096094C Electrical switchgear with synchronous control system and actuator
12/10/2002US6493204 Modulated voltage for a solenoid valve
12/10/2002US6493202 Electromagnetic operator for an electrical contactor and method for controlling same
12/05/2002WO2002097988A1 Optimized on/off control circuit
12/05/2002US20020180412 Optimized on/off control circuit
12/04/2002EP1262021A1 Security switching device and a system of security switching devices
12/03/2002US6489868 Electromagnetic relay
11/2002
11/28/2002WO2002095282A2 Safety switching module and method for testing the switching-off ability of a switching element in a safety switching module
11/28/2002DE10127233C1 Safety cut-out switch module for electrical load has 2 alternate load current paths for supplying electrical load each containing 2 series switch elements
11/28/2002DE10122510A1 Arrangement for switching a relay has timing circuit that supplies relay with pull-in current for defined time at pull-in time; current regulator supplies lower holding current after defined time
11/27/2002EP1259970A1 Secure circuit subassembly, secure control subassembly and a subassembly system
11/27/2002EP1259969A1 Safety switch device with a first and a second input circuit breaker
11/20/2002CN2521742Y DC contactor
11/14/2002US20020167777 System for controlling an electromagnetic device
11/14/2002DE10101751C1 Kontaktsystem für elektromagnetisches Relais Contact system for an electromagnetic relay
11/13/2002EP1256480A1 Relay fusion detector for electrically driven vehicles
11/06/2002EP1255266A1 Bus controlled relays
10/2002
10/31/2002DE10117299A1 Energy-saving drive circuit for electromagnets e.g. in solenoid valve has micro-controller connected to transistor and diodes
10/30/2002CN2519535Y Remote controlled illuminating switch
10/30/2002CN2519401Y Power-saving noiseless AC contactor
10/30/2002CN1377507A Actuator unit with base actuator, additional actuator and control unit
10/29/2002US6473286 Electromagnetic device driving apparatus
10/17/2002WO2002082485A1 Switch and switching circuit
10/16/2002EP1249026A1 Low profile, current-driven relay for integrated circuit tester
10/16/2002EP0783760B1 Pulse width modulated solenoid driver controller
10/16/2002CN2517099Y Energy-saving mechanical auto-locking contactor
10/16/2002CN2517098Y Radio paging remote control mains power switch
10/16/2002CN1375110A Control system for an electromagnetic switching device and electromagnetic switching device corresponding thereto
10/15/2002US6466023 Method of determining contact wear in a trip unit
10/03/2002WO2002078160A1 Method and system for driving an electromagnetic device
10/02/2002EP0986703B1 Device for controlling an electromechanical setting device
10/02/2002EP0951727B1 Reduced tensioning time for electronically controlled switch contactors
10/02/2002DE10127281C1 Circuit structure for operating relays has relays with first and second control contacts in the power circuits of the relays with full operating voltage to pick up the relays.
10/02/2002CN1372693A Electromagnetic switchgear
10/02/2002CN1372289A Quick protection control switch
10/01/2002US6459554 Drive circuit for the trip actuator of a network protector and a network protector incorporating the same
09/2002
09/19/2002US20020130557 Safety switching device for connection and safe disconnection of an electrical load, in particular an electrically driven machine
09/18/2002EP1241699A1 Weld free contact system for electromagnetic contactors
09/11/2002EP0963596B1 Electro-mechanical switching device
09/11/2002CN2510986Y Microcomputer digital display timer
09/11/2002CN2510985Y Driving device for a.c contactor
09/11/2002CN2510984Y AC contactor of multi pole reinforced to single pole, having interelectrode connection board
09/11/2002CN1369101A Method and system for driving solenoid
09/11/2002CN1369100A Circuiting for electromagnetic switchgear
09/05/2002US20020122282 Submarine cable branching unit with double-coil relays
09/04/2002CN1367515A A.C. contactor wide-voltage module
08/2002
08/29/2002US20020118495 Circuit for operating voltage range extension for a relay
08/28/2002EP1234316A1 Electromagnetic switchgear comprising a controlled drive, a corresponding method and a circuit
08/28/2002EP1057194B1 Electric switching device with closed-circuit protection
08/28/2002EP0864099B1 Process and device for testing electric drives
08/28/2002CN2508383Y Numerically-controlled ac contactor
08/22/2002WO2000039823A9 A method of determining contact wear in a trip unit
08/22/2002WO2000039822A9 Method of detecting manual trips in an intelligent electronic device
08/22/2002DE10204849A1 Verfahren zur Bestimmung der Kontaktabnutzung in einer Auslöseeinheit A method for determining contact wear in the trip unit of a
08/21/2002EP1232507A1 Configuration comprising two contactors connected in series
08/21/2002CN1365503A Timed tripping circuit for an electromechanical switching device
08/15/2002WO2002063738A1 Device for the disconnection and connection of a load
08/15/2002WO2002042873A3 Self-powered trainable switching network
08/15/2002US20020109405 Device for actuating electric functional elements
08/14/2002EP1004059B1 Method for detecting malfunctions of a first relay
08/14/2002DE10105205A1 Steuereinheit für ein Arbeitsorgan einer Modellbahn Control unit for a working member of a model railway
08/14/2002CN2505977Y Magnet power holding contactor having AC electron trigger unit
08/14/2002CN2505975Y Magnetic force operating structure
08/08/2002DE10105457A1 Vorrichtung zum Trennen und Schalten einer Last An apparatus for separating and switching a load
08/07/2002EP1228520A1 Fail-safe, fault-tolerant switching system for a critical device
08/07/2002EP1228519A1 Safety switch device for switching on and safely switching off an electrical user, in particular an electrically driven machine
08/07/2002CN1362920A Relay fusion detector for electrically driven vehicles
08/06/2002US6430021 Current controller for contact and a controlling method for contact
07/2002
07/31/2002EP1226595A1 Optically controlled mem switches
07/31/2002EP1021816A4 Electronic switch for quick, automatic response to current overloads
07/31/2002CN2503598Y Polar biased time-delay relay
07/31/2002CN2503597Y Economic-type double-delay time relay
07/30/2002US6426858 Voltage conditioner and switching device
07/24/2002CN1360730A Method for effecting electronic drive control
07/18/2002DE10101353A1 Operating bistable switch element involves controller outputting trigger signal repeatedly at defined times with which switch element can be brought into defined switch setting
07/17/2002EP1223598A2 Contact system for electromagnetic relay
07/11/2002WO2002054555A1 A medium voltage switching device
07/10/2002CN1358350A Electronic drive control mechanism
07/09/2002US6417582 Safety switching arrangement
07/04/2002US20020085333 Battery powered remote switch controller
07/04/2002US20020085332 Relay apparatus
07/04/2002US20020084887 Transponder communication and control system for a vehicle
07/03/2002EP1220469A1 Submarine cable branching unit with double-coil relays
07/03/2002EP1220409A1 An improved medium voltage switching device
07/03/2002EP1218908A1 Actuator unit with a base actuator, an additional actuator and a control unit
07/03/2002EP1218907A1 Actuator unit with at least two actuators and a secure control unit
07/03/2002CN2498733Y Integral electronic relay
06/2002
06/27/2002DE10160106A1 Relaisverschweißungserfassungsvorrichtung und -erfassungsverfahren Relaisverschweißungserfassungsvorrichtung and -erfassungsverfahren
06/26/2002CN2497425Y Floating-lever-rod-linked electromagnetic A.C. contactor
06/26/2002CN2497424Y Switching system of wireless remote control is compatible with its hand-control
06/25/2002US6411489 Electromagnetic operator for an electrical contactor and method for controlling same
06/25/2002US6411488 On board current control device
06/19/2002CN1354884A 电磁接触器 Electromagnetic contactor
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