Matches 1 - 43 out of 43


Match Document Document Title
US20140146431 CIRCUIT BREAKER PANEL WITH WIRELESS COMMUNICATIONS CAPABILITY  
In at least some embodiments, a system includes a plurality of circuit breakers and trip control logic external to and coupled to the circuit breakers. The trip control logic enables a plurality...
US20090103221 ADAPTIVE POWER MANAGEMENT SYSTEM FOR AIRCRAFT GALLEYS  
The adaptive power management system for aircraft galleys includes one or more programmable circuit breakers for corresponding interchangeable aircraft galley inserts. Current rating settings of...
US20080158762 CIRCUIT BREAKER TRIP UNIT RATING SELECTION PLUG  
A rating plug that, in addition to setting the percentage de-rating on the voltage conditioning (i.e., gain/filter) circuit, by controlling the operational amplifier gain with analog switches in...
US20090257157 CIRCUIT BREAKER HAVING SEPARATE RESTRAINED AND UNRESTRAINED ZONE SELECTIVE INTERLOCK SETTING CAPABILITY  
A circuit breaker system and method having zone selective interlock features with separate restrained and unrestrained setting capability is provided. The system and method include the...
US20090147424 CIRCUIT BREAKERS WITH AUTOMATIC BREAKER RATING  
An electronic control for a circuit breaker with automatic breaker rating is disclosed. The electronic control includes a memory to store circuit breaker ratings, a breaker rating switch to select...
US20080158763 CIRCUIT BREAKER ELECTRONIC TRIP UNIT PERSONALITY MODULE  
A method and apparatus providing automatic circuit breaker identification to an electronic trip unit includes a processor and a configuration module comprising configuration data identifying the...
US20140301008 METHOD AND DEVICE FOR DETECTING ELECTRIC ARC IN A PHOTOVOLTAIC INSTALLATION  
A method for detecting an electrical arc in a photovoltaic installation includes measurement (E6) of voltage values at at least one point of the electrical circuit of the photovoltaic...
US20090257158 CIRCUIT BREAKER ZONE SELECTIVE INTERLOCK FOR DIFFERENTIATED FAULTS AND METHOD OF OPERATION  
A circuit breaker system and method having zone selective interlock features is provided. The system and method include the transmission of a selective interlock signal from a downstream circuit...
US20100067159 ELECTRONIC TRIP UNIT OF A CIRCUIT BREAKER  
An electronic trip unit which includes a processing unit and a comparator circuit. The processing unit receives an input voltage, and a reset signal to reset the electronic trip unit, and...
US20080266737 Biometric reader protection system and method  
A biometric reader protection system comprises a power controller configured to determine an amount of current flow to a biometric reader and interrupt the current flow to the biometric reader if...
US20080084643 Method For Regulating A Converter Connected To Dc Voltage Source  
A method for controlling a static converter connected to a direct-current source. The converter has power conductor switches that can be deactivated and is configured to supply a distribution...
US20100020457 Protective Digital Relay Device  
Relay devices, systems and methods for obtaining an accurate representation of a current monitored with a Rogowski coil, without integration of the Rogowski coil output voltage signal in the time...
US20110205680 Inrush current control circuit and method for utilizing same  
Disclosed is an inrush current control circuit for controlling current into a high-current circuit block. The inrush current control circuit comprises a number of distributed switches and a...
US20080225455 OVERCURRENT DETECTION LATCH CIRCUIT  
An overcurrent detection circuit assembly provides a diagnostic feedback signal indicative of an overcurrent or short condition is disclosed. The detection circuit receives a sense current that is...
US20090021879 APPARATUS AND METHOD FOR FAULT CURRENT INTERRUPTION  
A circuit interrupter method for interrupting a flow of current, including: providing a controller for determining the presence of predetermined current in the circuit, the predetermined current...
US20080247107 APPARATUS AND METHOD FOR MONITORING, DETECTING AND RECOVERING FROM AN OVERCURRENT CONDITION  
A weighing apparatus having a circuit for monitoring, detecting and recovering from an overcurrent condition is described. The circuit may include a switch, current sensor, latch circuitry and...
US20100033888 CIRCUIT BREAKER WITH ARC FAULT DETECTION AND METHOD OF OPERATION  
A circuit breaker having a series arc fault detector and method of operation is provided. The series arc fault detector measures the RMS current and monitors current stability in response to a...
US20090296299 OVERCURRENT CONTROLLER FOR A REMOTELY CONTROLLED CEILING FAN PROVIDED WITH LAMPS AND LANTERNS  
An overcurrent controller for a remotely controlled ceiling fan provided with lamps and lantern, one terminal of which is connected to AC power and the other terminal is connected to at least one...
US20110141644 DIRECT CURRENT ARC FAULT CIRCUIT INTERRUPTER, DIRECT CURRENT ARC FAULT DETECTOR, NOISE BLANKING CIRCUIT FOR A DIRECT CURRENT ARC FAULT CIRCUIT INTERRUPTER, AND METHOD OF DETECTING ARC FAULTS  
A direct current arc fault circuit interrupter includes separable contacts and a trip circuit to trip open the contacts. The trip circuit includes a number of alternating current sensors...
US20080158761 CIRCUIT BREAKER ELECTRONIC TRIP UNIT PERSONALITY MODULE  
A method and apparatus providing automatic circuit breaker identification to an electronic trip unit including: a mounting plate with mechanical means to releasably engage said electronic trip...
US20100053832 POWER DISTRIBUTION SWITCH CIRCUITS WITH FAST RESPONSES TO HARD SHORT-CIRCUITS  
Methods and apparatus to provide power distribution switch circuits with fast responses to hard short-circuits are disclosed. In one example, a power distribution switch to detect a hard...
US20120287543 TRIP UNIT INCLUDING SEPARABLE COMPONENT TO SAVE AND RESTORE SETTINGS, AND CIRCUIT BREAKER INCLUDING THE SAME  
A circuit breaker includes separable contacts, an operating mechanism to open and close the contacts, and a trip unit cooperating with the operating mechanism to trip open the contacts. The trip...
US20080266740 OVERVOLTAGE PROTECTION IN A POWER SUPPLY  
A method for protecting against over voltage in a power supply comprises monitoring current amplitude and direction on an output connection of a power source that combines power from a plurality...
US20100149712 Digital Overcurrent Protection Device for a Power Supply Device and Related Power Supply Device  
A digital overcurrent protection device for a power supply device includes a receiving end for receiving a current sensing signal, a digital reference voltage generator for digitally generating a...
US20080165461 System and method for circuit overcurrent protection  
In one aspect, the invention provides a system for protecting a plurality of circuits including a plurality of circuit protective devices wherein each circuit protective device includes a...
US20090046403 Breaker device for low-voltage applications  
In breaker devices an early short-circuit recognition is required and also a tripping of the contacts. The recognition of a short-circuit occurs so early that with consideration of the response...
US20150263503 CIRCUIT PROTECTION DEVICE AND METHODS OF CONFIGURING A CIRCUIT PROTECTION DEVICE  
A circuit protection device having operational parameters configurable only via a separate programming device includes a memory configured to receive a selector identifying one of a plurality of...
US20140118875 CONTROL AND MONITORING UNIT FOR A CIRCUIT INTERRUPTER ELECTRONIC TRIP UNIT AND SYSTEM INCLUDING SAME  
A circuit interrupter system includes a circuit interrupter including a processing unit, a serial port interface operatively coupled to the processing unit for enabling communication with the...
US20090051557 METHOD AND ELECTRICAL SWITCHING APPARATUS INCLUDING A NUMBER OF ACCESSORIES EMPLOYING WIRELESS COMMUNICATION  
A circuit breaker includes separable contacts, an operating mechanism opening and closing the contacts, a first processor determining an open or closed state of the contacts, and a wireless...
US20120120536 SHARED MEMORY ARCHITECTURE FOR PROTECTION OF ELECTRICAL DISTRIBUTION EQUIPMENT  
A power equipment protection system includes a plurality of trip units including at least a first trip unit and a second trip unit, wherein each of the plurality of trip units is configured to...
US20090213515 Multiple-channel active sensing and switching device  
The present invention provides a multichannel active sensing and switching device featuring a multiple sensing and switching module configured to respond to operational conditions of different...
US20140368961 CONTROL AND PROTECTION DEVICE FOR LOW-VOLTAGE ELECTRICAL APPLIANCE  
Disclosed is a control and protection device for a low-voltage electrical apparatus, comprising a pedestal and a control and protection module. The control and protection module may be plugged...
US20110019444 Method and apparatus for detection and control of dc arc faults  
A method and apparatus for managing DC arc faults. At least a portion of the method is performed by a controller comprising at least one processor. In one embodiment, the method comprises...
US20100220422 Circuit Protection Device  
The present invention provides a circuit protection device for protecting an electrical circuit, the circuit protection device having a signal processing unit which includes a digital processor...
US20110007443 APPARATUS, METHOD, AND SYSTEM FOR MONITORING LEAKAGE CURRENT AND DETECTING FAULT CONDITIONS IN ELECTRICAL SYSTEMS  
Disclosed herein are apparatus, methods, and systems for monitoring and detection of conditions indicative of an electrical fault for an electrical circuit or system. In one aspect, a central...
US20170104404 PROTECTION CIRCUIT  
A protection circuit applied to a convertor including M pieces of driving switch modules each coupled to a power source, a load and one of M sets of driving signals. The ith driving switch module...
US20160327602 PROTECTING A REMOVABLE DEVICE FROM SHORT CIRCUITS  
Circuitry may be used to detect and prevent short circuits in removable or connectable media, such as memory cards. The media may be any device or component with connections to another device,...
US20160216306 AUTOMATIC CURRENT TRANSFORMER POLARITY CORRECTION  
A method of processing current transformer data, performed by an electronic trip unit, includes obtaining first current data based on a first current signal from a first current transformer,...
US20160149389 ADAPTIVE ARC FAULT DETECTION TRIP DECISION BUFFER  
An autonomous adaptive arc fault detection device includes a memory for storing data of arc fault tripping events detected on a circuit over a period of time. The device also includes a processor,...
US20160072278 Field Device having a Protection Circuit  
A field device comprising a protection circuit between a communication interface and a signal processing unit. A communication interface is preferably an Ethernet connection of the field device,...
US20160061879 SYSTEMS AND METHODS FOR IDENTIFYING FAULT LOCATION USING DISTRIBUTED COMMUNICATION  
A fault location system for locating a fault in a power distribution system is provided. The fault location system includes a grounding resistor assembly configured to generate, in response to...
US20150326001 Power Distribution System and Method, and Circuit Breaker for Use Therein  
A programmable circuit breaker, including an input unit, a sensor, and, a trip mechanism. The input unit permits user input and/or adjustment of predetermined load parameters. The sensor senses...
US20150270083 TRIP CAUSE MANAGEMENT DEVICE FOR AN ELECTRONIC TRIP DEVICE  
A management device (1) of the causes of tripping in an electronic trip device enabling operation to take place in efficient and dependable manner by means of an architecture with three...

Matches 1 - 43 out of 43