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)
01/2002
01/02/2002CN2469544Y Intelligence magnetic memory AC contactor
01/01/2002US6335854 High voltage isolated relay driver
12/2001
12/26/2001CN2468155Y AC contactor wide voltage module
12/26/2001CN2468154Y Small power electromagnetic switch
12/20/2001WO2001097239A1 Method for operating an electromagnetic switching device and electromagnetic switching device
12/20/2001DE10126177A1 Circuit for monitoring electric load has switching device that opens on reaching or exceeding defined operating characteristic value placed in memory when initializing device
12/19/2001CN2466789Y Multipurpose energy-saving controller
12/19/2001CN2466788Y AC relay with diode
12/18/2001US6331687 Control method and device for a switchgear actuator
12/12/2001CN2465312Y No power consumption ac contact
12/12/2001CN2465311Y AC/dc arresting silence energy-saving contact
12/12/2001CN2465310Y Energy-saving ac contact
12/11/2001US6329892 Low profile, current-driven relay for integrated circuit tester
12/06/2001US20010048087 Method and device for activating an electromagnetic consumer
12/06/2001DE10025276A1 Beschaltung für eine Schaltstrecke Wiring for a switching path
12/05/2001CN2463946Y DC controller for three-phase AC contactor
12/05/2001CN2463894Y Infrared remote-control high-power AC switch
12/04/2001US6327130 Control device of a circuit breaker opening or closing electromagnet with local and remote control
12/04/2001CA2257521C Electromechanical switch for interconnecting two power sources in a selected coupled state
11/2001
11/29/2001WO2001091149A1 Protective circuit for a breaker gap
11/28/2001CN1324087A New-type digital quantity output circuit
11/27/2001US6322166 Solenoid valve control apparatus and brake control apparatus
11/22/2001DE10022342A1 Antriebselektronik und Verfahren zur elektrisch gesteuerten Einschaltung eines elektromagnetischen Schaltgeräts Drive electronics and method for electrically controlled switching of an electromagnetic device
11/21/2001EP1155425A1 System for control of an electromagnetic actuator
11/21/2001EP1155235A1 Method and device for powering a motor vehicle electric starting switch with determinable behaviour
11/15/2001WO2001086680A1 Safety switching device for the safe switching on and off of an electrical user
11/15/2001DE10122662A1 Relay with temperature sensor, has control and evaluation unit that combines electromagnet system coil electrical resistance signal(s) with associated temperature value
11/14/2001EP0963593B1 Motor drive
11/14/2001CN2459749Y Improved structure for solid relay
11/14/2001CN2459748Y Energy-saving device for contactor
11/14/2001CN2459747Y 过欠压继电器 Undervoltage relay
11/14/2001CN2459741Y Electronic ac electromagnetic winding
11/13/2001US6317308 Control device of an electromagnet, with detection of an unscheduled movement of the movable core of the electromagnet
11/08/2001DE10020075A1 Modular safety switching device has input modules processing signals from safety devices each assigned to output module controlling actuator
11/08/2001DE10020074A1 Modulares Sicherheitsschaltgeräte-System The modular safety switching device system
11/07/2001CN2458724Y 闪光继电器 Flasher relay
11/07/2001CN2458722Y Multifunctional energy-saving ac contactor
11/06/2001US6313695 Semiconductor circuit device having hierarchical power supply structure
11/06/2001US6313617 Circuit arrangement for reducing voltage draw down in battery supply lines
11/01/2001WO2001082668A1 Safety switching device module arrangement
11/01/2001WO2001082321A1 A contactor control circuit
11/01/2001WO2001081820A1 Modular safety switchgear system
11/01/2001US20010035755 Relay driving apparatus
10/2001
10/31/2001CN2457725Y DC controller of AC contactor
10/31/2001CN2457724Y Anti-current mutual inductor saturated static integrated cunrent relay
10/31/2001CN1319865A Force led safet relay, its application and controller having same
10/31/2001CN1074190C Ground fault circuit interrupter
10/30/2001US6310339 Optically controlled MEM switches
10/25/2001WO2001080266A1 Method and arrangement for controlling micromechanical element
10/25/2001CA2406186A1 Method and arrangement for controlling micromechanical element
10/24/2001CN2456305Y Phaseoff protected contactor
10/24/2001CN2456302Y Double position static closed relay
10/24/2001CN2456301Y Arcless communicating contactor
10/24/2001CN2456300Y Contactor with self-control
10/18/2001US20010030470 Appliance switching system
10/18/2001DE19963504C1 Relais mit Überstromschutz Relay with overcurrent protection
10/17/2001EP1146532A2 Method and arrangement for controlling micromechanical element
10/17/2001EP1145418A1 Twin configuration for increased life time in touch mode electrostatic actuators
10/16/2001US6304189 Method for detecting malfunctions of a first relay
10/11/2001DE10029789C1 Electromagnetic switching device operating method uses different switching points for different switching operations for providing uniform loading of switch contacts
10/11/2001DE10013928A1 Load switching involves holding switching voltage constant until switch-off time if load current falls or remains constant during first time interval, reducing if load current increases
10/09/2001US6301091 Relay configuration
10/04/2001US20010026428 Relay with overcurrent protection
10/04/2001EP0890058B1 Protective circuit
10/04/2001DE10013314A1 Electromagnetic switching device especially contactor - has triggering device mounted on housing part of withdrawable unit for mechanical actuation of economy connection via electric switch
10/03/2001CN2452125Y Phase-defect protection AC contactor
10/02/2001US6297941 Device for controlling an electromechanical actuator
10/02/2001US6297640 Transfer switch position sensing using coil control contacts
10/02/2001US6297569 Power switching system
09/2001
09/25/2001US6294905 Method and circuit for controlling current in an inductive load
09/20/2001WO2001069625A1 Electromagnetic switching device, in particular a contactor
09/20/2001DE19954460A1 Sicherheitsschaltgerät zum Ein- und sicheren Ausschalten eines elektrischen Verbrauchers, insbesondere einer elektrisch angetriebenen Maschine Safety relay for switching on and secure off an electrical load, in particular an electrically driven machine
09/20/2001DE10011211A1 Secure switching device for on-off switching of electrical load has at least 2 switching elements each providing switch output for controlling load
09/20/2001DE10009498A1 Safe switching module with safe drive/control module and modular system
09/18/2001US6292075 Two pole contactor
09/18/2001US6291911 Electrical switchgear with synchronous control system and actuator
09/13/2001WO2001067610A1 Security switching device and a system of security switching devices
09/13/2001DE19956698C1 Anordnung mit zwei Schützen in Reihenschaltung Arrangement with two contactors in series
09/07/2001WO2001065578A1 Secure circuit subassembly, secure control subassembly and a subassembly system
09/07/2001WO2001065577A1 Safety switch device with a first and a second input circuit breaker
09/06/2001US20010019573 Method of determining contact wear in a trip unit
09/06/2001DE10009707A1 Safety switch with first and second input switches which initiate electronic timers
09/05/2001CN2446654Y Electricity saving device for standing electrical appliance
09/05/2001CN2446653Y D.C contactor
08/2001
08/30/2001WO2001063977A1 Sequential control circuit
08/28/2001US6282499 Method of detecting manual trips in an intelligent electronic device
08/28/2001US6282076 Method for controlling an electromagnetic operator of an electrical device
08/23/2001WO2001060652A1 Relay fusion detector for electrically driven vehicles
08/22/2001EP1126485A2 Switching circuit for an instantaneous stop
08/15/2001CN2443480Y Static dissipative-free relay
08/14/2001US6275368 Method and apparatus for controlling electromagnetic valve in industrial vehicle
08/08/2001CN2442384Y Silencing and power saving protector of AC contactor
08/02/2001DE19934077A1 Anordnung zur Betätigung elektrischer Funktionselemente Arrangement for operating electrical functional elements
08/01/2001EP1120806A1 Safety relay, the use of such a relay and switching device with it
07/2001
07/26/2001WO2001054152A1 Low profile, current-driven relay for integrated circuit tester
07/26/2001US20010009496 Electromagnetic operator for an electrical contactor and method for controlling same
07/25/2001CN2440259Y Flexible electric-electronic control and protection switch assembly
07/25/2001CN1068968C Switchgear control apparatus
07/25/2001CN1068967C Monostable pulse electromagnetic valve and electromagnetic relay drive circuit for AC
07/19/2001WO2001052294A1 Inductive load driver utilizing energy recovery
1 ... 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 ... 74