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Matches 101 - 150 out of 12,277

Document Document Title
WO/2017/162396A1
The invention relates to a device (10) for measuring a condition of an electric switch (1), the device (10) being designed to tap a voltage at main contacts (2a, 2b) of the electric switch (1). The invention also relates to an electric s...  
WO/2017/159307A1
The present invention ensures the supply of power to a load even in the event of a short circuit or open circuit failure in one of two power supplies that provide redundancy for supplying power to the load. This power supply box is equip...  
WO/2017/159069A1
Provided is an operation coil drive device for an electromagnetic contactor capable of reliably detecting the adsorption state of a movable iron core without using a position sensor or a timer. The present invention comprises: a current ...  
WO/2017/159070A1
Provided is an operation coil drive device for an electromagnetic contactor, capable of confirming the operation resistance value for an operation coil and capable of obtaining a suitable operation coil current for operation conditions. ...  
WO/2017/140350A1
The invention relates to a safety switching device (10) comprising a control side (40) with at least one single-error tolerance, having a first and second control unit (12, 14), each formed on an actuation side (50) for emitting a switch...  
WO/2017/137279A1
The invention relates to a modular safety switching apparatus (100) for controlling a plurality of electrical devices. The modular safety switching apparatus (100) comprises a first safety switching module (101) having a first switching ...  
WO/2017/126486A1
The present invention provides a transformer for a breaker circuit with which it is possible to actuate a breaker instantly to break a circuit in the event of an overcurrent such as with a short. The transformer for a breaker circuit (4)...  
WO/2017/118558A1
The invention relates to a control device for an electromagnetic drive of a switchgear, comprising a plurality of network parts (101, 102), each of which is configured to provide an electrical power sufficient for operating the electroma...  
WO/2017/113843A1
An energy-saving circuit for a contactor, comprising a coil driver circuit, a rectifier and filter circuit, a PFC circuit, an auxiliary power supply circuit, and a square wave generation circuit. The square wave generation circuit output...  
WO/2017/116847A1
A notification system including an electrical receptacle and a notification control unit. The electrical receptacle includes an outlet configured to receive an electrical device and a switch. The switch is configured to determine when th...  
WO/2017/102025A1
For providing a very simple and reliable monitoring of the functionality of contacts together with a high flexibility of selection of the contacts a method for monitoring the functionality of redundantly interconnected contacts is provid...  
WO/2017/102403A1
The invention relates to a starting device for an internal combustion engine, comprising a resistor unit with an NTC resistor element in the circuit, said NTC resistor element being located on a contact portion which is adjoined by a the...  
WO/2017/099341A1
The present invention relates to a smart temperature measuring device wherein temperatures (T) measured with regard to terminals of respective phases (R, S, T) of a circuit breaker are displayed through first, second, and third display u...  
WO/2017/093552A1
The present invention relates to a circuit arrangement for actuating an electromagnetic drive system for electromechanical devices, in particular comprising a mechanically locked end position, at least one control voltage source (UB), at...  
WO/2017/089548A1
The invention relates to a switching apparatus (100) for actuating at least one switching device (210, 221, 222, 310, 321, 322) comprising a control unit (110) which is designed to actuate the at least one switching device (210, 221, 222...  
WO/2017/085798A1
The purpose of the present invention is to safely use a relay without causing a contact failure in an inrush prevention circuit of a power conversion device, said relay switching between a voltage at contact time and a voltage at hold ti...  
WO/2017/080963A1
The invention relates to a method for controlling an electromagnetic drive of a switching device by means of a program, wherein a processor configured by the program carries out the following steps: measuring a control voltage applied to...  
WO/2017/068764A1
An electromagnetic relay has a contact device, an electromagnet device, a power supply unit, a switch unit, and a control unit. The contact device has a movable contact and a fixed contact. The electromagnet device has a coil and a movab...  
WO/2017/063933A1
The invention relates to a control device for an electromagnetic drive of a switching apparatus, comprising a power supply unit (10) for generating a starting direct voltage and a holding direct voltage for the electromagnetic drive (12)...  
WO/2017/055031A1
The invention relates to a household appliance (7) having at least one mechanical relay (1) and a switch detection device (8) for detecting a switch of at least one relay (1). The switch detection device (8) has at least one measuring de...  
WO/2017/043202A1
According to the present invention, whether an execution condition for a first welding detection is satisfied or not is determined at S401. If the execution condition for the first welding detection is satisfied, the first welding detect...  
WO/2017/034900A1
An electro-mechanical relay with at least one pair of switchable electrical contacts includes a wireless communications control function. The wireless communications control function may be a receiver or a transceiver and may be within a...  
WO/2017/031527A1
A programmable solid-state relay comprising a base module; a configuration module; a control voltage module comprising an energy storage device; a controller module having at least two microcontrollers, each comprising an internal EEPROM...  
WO/2017/025044A1
A magnetic resistance relay (1) comprises a substrate (2), a magnetic field excitation coil (3), a magnetic resistance sensor (4) and an integrated circuit switch (5) which are disposed on the substrate, an excitation signal input electr...  
WO/2017/022009A1
In order to reduce the occurrence of condensation at fixed contacts of a power supply relay during an interruption operation of the power supply relay, a steering angle main control module (8) is provided inside a housing (34), the steer...  
WO/2017/018147A1
[Problem] To provide a switching device that achieves cutoff of high-voltage DC power while suppressing generation of an arc discharge with a small-sized configuration at a time of cutting off the high-voltage DC power. [Solution] Provid...  
WO/2017/013934A1
Provided is a feature allowing more fault diagnoses to be performed even when a relay is to be shut-off to perform fault diagnosis thereof. Once the relay is shut-off during an energizing period with an electromagnetic load, this in-vehi...  
WO/2017/004681A1
An electromechanical relay switching system for reducing electromagnetic or radio interference. The system includes an electromechanical relay with an energizeable coil and a microcontroller configured to synchronize energizing the coil ...  
WO/2016/207713A1
A step-by-step electric relay structure of a bistable type, comprising a mechanical part and an electric part, the mechanical part comprising push-button means to be operated by a user and the electric part comprising coil means, capacit...  
WO/2016/194584A1
[Problem] To provide a DC circuit capable of ensuring safety even if a short circuit should occur due to the deterioration time of a semiconductor switch when using said semiconductor switch to suppress arcing. [Solution] Provided is a D...  
WO/2016/146333A3
The present invention relates to a contactor (10), in particular a contactor or relay comprising a) a coil (5) through which a current flows in an active state (I) of the contactor (10), b) a control unit (2) which is provided for contro...  
WO/2016/173619A1
It is shown a switch circuit 5. The switch circuit 5 comprises at least a first and a second switch element 10, 15 connected in series and a switch control 20 configured for providing control signals 25a, b for switching the first and th...  
WO/2016/170699A1
Provided is a switching device allowing power to be stably supplied and interrupted, and limits the effects of chattering due to a mechanical relay when the mechanical relay is combined with a solid state relay, and when the supply and i...  
WO/2016/041691A8
A method (100) for determining the operating status a MV switching device (1), which comprises: - one or more electric poles (10), each comprising a movable contact (11) and a fixed contact (12) adapted to be coupled or uncoupled during ...  
WO/2016/156652A1
The invention relates to a relay controlled by a method that prevents the wear of a set of one or a number of contacts, included in a relay, during their connection and disconnection. In particular, this relay permits the connection or d...  
WO/2016/161186A1
A load control device (e.g., a switching device) for controlling power delivered from an AC power source to an electrical device (e.g., a lighting load) may be configured to detect that a relay is stuck closed and attempt to fix the rela...  
WO/2016/150859A1
A safety switching device for fail-safe disconnecting of an electrical load (26a, 26b) has an input part (44) for receiving at least one safety relevant input signal, a logic part (50) for processing the at least one safety relevant inpu...  
WO/2016/146333A2
The present invention relates to a contactor (10), in particular a contactor or relay comprising a) a coil (5) through which a current flows in an active state (I) of the contactor (10), b) a control unit (2) provided for controlling the...  
WO/2016/147914A1
Provided is a relay control device allowing the amount of electric conduction through a coil of an electromagnetic relay to be reduced. The relay control device causes a power source voltage to step down at a step-down DC/DC conversion u...  
WO/2016/147431A1
The invention is an incorrect use detection system disposed in a power supply device (100) which is equipped with: a control device (20); an electromagnetic relay (10) having a setting coil (11) and a resetting coil (12); and a drive uni...  
WO/2016/142163A1
The invention relates to a switch device (1) for operating at least one load, comprising at least one switch unit (7; 8; 9) which switches a tapped current phase (L) to a load (2-1; 2-2; 2-3) that can be connected to the switch unit (7; ...  
WO/2016/135126A1
In the field of power distribution networks, a digital output circuit (10), for controlling an item of equipment (14) within a power distribution network, comprises a switch element (12) openable and closeable to selectively permit the f...  
WO/2016/128951A1
A circuit controller 10 includes a mechanical bistable electromagnetic switch 100 and a normal open optocoupler relay 200. A pair of second input ends 211, 212 of the optocoupler relay 200 are respectively connected to a pair of control ...  
WO/2016/128357A1
A portable switching device to remotely operate a high voltage circuit breaker, the portabele switching device is locally temporarily electrically connected to the controling ciruit of the high voltage circuit breaker and comprises: a vo...  
WO/2016/120367A1
Undervoltage release circuit comprising a solenoid (3) and a spring, the solenoid (3) acting against the spring and being connected to a trip-latch which trips a circuit-breaker as soon as a control voltage drops under a voltage level, c...  
WO/2016/121140A1
Provided is a current limiting circuit (30) which: stops the flow of current if the current that flows, to a power-reception-side terminal (11a) through which current flows during the supply of DC power via an electrode, through a second...  
WO/2016/121727A1
Provided are a switch device, and a method for determining a short-circuit in a switch, in which it is possible to individually and non-destructively determine whether or not a short-circuit has occurred in a pair of switches even when a...  
WO/2016/113919A1
In order to achieve diverse electrification controls for a load, which are impossible by mere opening and closing of switches, and without the requirement of modifying a circuit that supplies electric power to the load, the control devic...  
WO/2016/110426A1
A method (100) for determining the operating status a MV switching apparatus (1), which comprises: - one or more electric poles, each comprising a movable contact (11) and a fixed contact (12) adapted to be coupled or uncoupled during th...  
WO/2016/083369A1
A safety switching device (10) for switching on and safely switching off an electrical load (12), comprising: a safe evaluation and control unit (36); an output terminal (26) for providing a potential (51); a switching element (42) with ...  

Matches 101 - 150 out of 12,277