MOELLER GMBH Patent applications |
Patent application number | Title | Published |
20110157757 | DEVICE AND METHOD FOR IDENTIFYING THE TYPE OF CONTROL FOR A VOLTAGE- OR CURRENT-RELEASE SWITCHGEAR - A device for identifying a control mode for a voltage or current release of a voltage-release or current-release switching device includes at least one control unit having first and second control inputs. The control unit includes a signal detection device configured to detect a signal state at a first control input and a blocking device configured to disable the second control input when a control signal is detected at the first control input. | 06-30-2011 |
20110038092 | APPARATUS AND METHOD FOR SUPPLYING POWER TO A VOLTAGE- OR CURRENT-RELEASING SWITCHING DEVICE - A power supply for a voltage or current-releasing switching device having at least one coil for one of a voltage and current release includes a device which activates a switch means in a pulse-width modulated manner, the device configured for setting the current flowing in the coil, wherein inductance of the coil functions as an impedor of a clocked power supply which, via a rectifier diode and a storage capacitor, provides a first supply voltage that is predefinable via a comparison value. A voltage regulation device provides at least one second supply voltage. A measurement-resistor-free regulation device is provided for setting the current through the coil. | 02-17-2011 |
20100289603 | CONTROL APPARATUS FOR A SWITCHING DEVICE WITH A PULL-IN COIL AND/OR A HOLDING COIL AND METHOD FOR CONTROLLING THE CURRENT FLOWING THROUGH THE COIL - A control apparatus for a switching device including a contactor drive and a coil includes a pulse width-controlled switching mechanism connected to a coil and a control unit connected to the switching mechanism. The control unit is configured to generate a control signal having an adjustable pulse width and set the adjustable pulse width as a function of an input voltage signal so as to maintain a current through the coil approximately constant. The control unit is further configured to determine a voltage of the control apparatus by determining an instantaneous coil voltage of the coil and adjusting a current pulse width modulation turn-on time in accordance with the instantaneous coil voltage using at least one data processing unit. | 11-18-2010 |
20100288732 | ELECTRIC SWITCHING ARRANGEMENT AND MOUNTING METHOD - The invention relates to an electrical switching arrangement which is arranged in a switching chamber, comprising at least one contact arrangement comprising a moving contact and a fixed contact, with the fixed contact being formed on a fixed contact mount ( | 11-18-2010 |
20100214724 | POWER SWITCH FOR PREVENTING ACCIDENTAL ARCS - A power switch disposed in a housing includes a contact breaker configured to connect and disconnect a low-voltage switchgear from a power source supplying the low-voltage switchgear, a triggering device configured to disconnect the low-voltage switchgear in an overload event, a current detection device, a control device, a first evaluation device configured to evaluate an accidental arc overcurrent, and a second evaluation device configured to evaluate the accidental arc overcurrent. The power switch is configured to be activated via an overcurrent signal generated by an arc monitoring system in response to the accidental arc overcurrent. The overcurrent signal is linked to the at least one triggering signal. The second evaluation has a threshold above a threshold of the first evaluation device. The triggering device is configured to be activated via a turn-off pulse when a signal from the current detection device is above the threshold of the second evaluation device. | 08-26-2010 |
20100163381 | ROTARY DRIVE FOR AN ELECTRICAL SWITCH WITH TOGGLE-LEVER ACTUATION - The present invention provides a rotary drive for a switch actuated by a toggle lever. The rotary drive includes an operative connection which swivels, a first catch element on the operative connection, coupled to the toggle lever, and a second catch element on the operative connection. A mounting plate parallel to the switch base and a rotatable shaft are provided, the rotatable shaft disposed through the mounting plate. The rotary drive further includes a swivel arm on the shaft, a rotary knob coupled to the shaft configured to rotate the shaft. A mechanical connection couples the swivel arm to the second catch element, converting movement of the shaft into a movement of the operative connection. A swivel movement of the toggle lever is transferred to the second catch element, and the swivel arm enables the operative connection to swivel through a rotation of the shaft to move the toggle lever. | 07-01-2010 |
20100123986 | SHORT CIRCUIT LIMITATION DEVICE IN A LOW VOLTAGE SYSTEM - A device for limiting short-circuit current in a consumer network having at least one supply line with a respective current feed point includes a disconnection point disposed in the at least one supply line so as to provide a first partial line and a second partial line in an event of a short-circuit fault. Each of the first and second partial lines has a respective associated current detector and at least one of the first and second partial lines has at least one current feed aggregate. The device includes a multiphase high-speed short circuiter having a current carrying capacity for short-circuit current intensities in the at least one supply line and a respective power circuit breaker connected in series with the high-speed short circuiter. The respective associated current detector is configured, upon detection of a short circuit in one of the first and second partial lines, to transmit a triggering signal so as to effect a short-circuit switching operation. | 05-20-2010 |
20090298350 | PLUG ARRANGEMENT FOR AN ELECTRIC OR OPTICAL CABLE - A plug arrangement for an electric or optical cable includes a connector body connected with the cable and including a first socket or plug. An insulating housing is provided configured to receive the connector body. A locking tab is articulated at a front edge of the connector body and configured to block release of the connector body from a counter body having a plug-in opening and including a second plug or a socket complementary to the connector body. A length of the locking tab is less than or equal to a depth of the plug-in opening. A resilient actuation element is provided including a pressure body extending parallel to a plug-in direction of the plug arrangement. The actuation element is integrally disposed in an articulated manner via a film hinge on the housing so as to be deformable with the housing and actuate the locking tab. The actuation element is integrated in a wall of the housing via at least one surface element disposed on the housing. | 12-03-2009 |
20090287318 | CONFIGURATION AND DISPLAY MODULE FOR BUS-NETWORKED STATIONS - A system for configuring slave stations connected to a bus configured to have a predefined number of slave stations connected thereto includes at least one master station, and a configuration module connected to the bus and configured to receive a query from the master station at a beginning of a configuration process. The configuration module is configured to provide information corresponding to a configuration of the slave stations connected to the bus. The configuration module has a plurality of mechanical setting devices, a number of the mechanical setting devices corresponding to the predefined number of slave stations connectable to the bus. Respective positions of the mechanical setting devices indicate a sequence of the slave stations connected to the bus. | 11-19-2009 |
20090253306 | PLUG ADAPTER FOR AN ELECTRICAL SWITCHING DEVICE - A plug adapter for plugging a connecting lead having at least two poles onto a switching device having a respective secondary contact, for a respective lead conductor, disposed parallel to a combination plug-in orifice includes, on a bottom side facing the switching device, a housing cutout. Associated with each of the at least two poles is a respective access contact including a contact spring. The access contact has a housing opening, and a respective plug, a respective conductor bar. The free end of the contact spring is elastically preloaded, and a damping device is configured to simultaneously clamp the lead conductors to the contact spring and actuatable via an actuator bracket. | 10-08-2009 |
20090242361 | OPERATIING MECHANISM FOR A SWITCHING DEVICE - An operating mechanism, for a switch of a switching device disposed in a control cabinet having a door, includes a locking device having a locking element movable between a release position and a locking position. A spring device is configured to bias the locking element toward the release position. A force-transmitting member is operatively coupled to a resilient control member of the door, the force-transmitting member being configured to actuate the locking element. | 10-01-2009 |
20090195346 | THERMAL AND/OR MAGNETIC OVERLOAD TRIP - A thermal and/or magnetic overload trip device for an electrical switching device having multiple poles includes a housing having a housing member configured to receive a plurality of functional elements and being at least partially closable, The overload trip device further including a conductor strap associated with each of the multiple poles, each conductor strap having an associated housing portion, and a rotatable trip shaft configured to rotate between a rest position and an actuating position so as to trip an associated switching mechanism. The overload trip device further including at least one rotatable adjusting element configured to set the at least one of the presettable thermal threshold and the presettable magnetic threshold. Further, the housing member is configured so that the functional elements is insertable therein and is couplable to the housing member. | 08-06-2009 |
20090167468 | ELECTRICAL CIRCUIT BREAKER HAVING A PROTECTIVE FUNCTION - An actuating unit or actuating mechanism and release for a circuit breaker. The magnetic mechanism of the release includes a magnet armature, which can move linearly in a magnet coil, is in the form of a tripping plunger and can be moved towards a permanent magnet counter to the force of a storage compression spring and is held fixedly by said permanent magnet in the case of a magnet coil through which no current is flowing. The tripping unit is in the form of a mechanical force store. After a tripping action, the mechanical force store needs to be reset manually again. For this purpose, a rotary movement of the drive shaft with an angular displacement of from 20 to 30 degrees takes place in the opposite direction to the ON switching rotary movement. | 07-02-2009 |
20090139845 | AUXILIARY OPERATING DEVICE FOR AN ELECTROMECHANICAL SWITCHING DEVICE - An auxiliary operating device for an electromechanical switching device having an operating mechanism. The auxiliary operating device including an actuating element couplable to the operating mechanism and movable between a first position and a second position, an actuation member movable relative to the actuating element between a third position and a fourth position, and a drive dog arrangement configured to cooperate with the actuating element and the actuation member. The auxiliary operating device further includes a coupling device movable between a release position and an operating position. The coupling device is configured, when in the operating position, so as to move the actuating element with the actuation member in a second direction of movement when the actuation member is in the third position. The coupling device is configured, when in the release position, so as to allow movement of the actuation member in the first and second directions between the third and fourth positions. | 06-04-2009 |
20090127230 | SWITCHING DEVICE FOR DIRECT-CURRENT APPLICATIONS - A switching device for direct-current applications including a housing, and at least three current paths. Each current path includes a respective movable switching contact element, a respective stationary switching contact element, and a respective air break between the respective movable and stationary contact elements. Each movable switching contact element is movable into a closed position and into an open position. The switching device includes a quenching capacitor connected in parallel to the respective at least one air break of a first of the current paths and configured to at least one of prevent the formation of an arc and quench an arc formed therealong. The quenching capacitor is not coupled to a second of the current paths. The second current path is couplable in series to the first current path. | 05-21-2009 |
20090127229 | SWITCHING DEVICE FOR DIRECT-CURRENT APPLICATIONS - A switching device for direct-current applications includes a housing having a first wall and a second wall, a plurality of receiving areas for respective mutually substantially parallel current paths disposed in the housing. Each of the current paths has a respective stationary switching contact element and a respective movable switching contact element, the movable switching element being actuatable into a closed position and into an open position so as to form a respective air break, the respective movable switching contact elements being actuatable simultaneously. The switching device includes a plurality of arc-quenching devices associated with the current paths and disposed next to each other, and at least one magnet. The at least one magnet is configured to generate a magnetic field so as to generate a deflection force on the arcs so as to deflect the respective arcs toward at least one of the respective arc-quenching devices. | 05-21-2009 |
20090127083 | SWITCHING SHAFT UNIT FOR AN ELECTRICAL CONTACT SYSTEM - A switching shaft unit for an electrical contact system for use in a low-voltage breaker. The switching shaft unit includes a rotary contact moveably disposed, with play, in a switching shaft or a shifting shaft segment, and having a pair of bearing pins. The switching shaft unit further includes at least one contact piece configured to make switchable contact with at least one fixed contact, and at least one pair of force springs. Each force spring is supported by an associated respective support disposed in an interior of the switching shaft or the switching shaft segment, and an associated respective bearing pin, so that, upon an opening movement of the rotary contact, a connection line defined through the associated bearing pin and the associated support of at least one of the force springs is displaced over a breakover point plane so that the rotary contact remains in an open position. | 05-21-2009 |
20090078549 | AUXILIARY ACTUATING DEVICE FOR AN ELECTROMECHANICAL SWITCHING DEVICE - An auxiliary actuating device for an electromechanical switching device. The actuating device including a handle housing rotatably disposed on an actuating shaft coupled to the switching device and engageably coupled to a door coupling handle, an exterior having at least one handle element, and an interior having a plurality of first coupling elements. The actuating device further including a coupling wheel rigidly connected to the actuating shaft and received in the handle housing, the coupling wheel having a plurality of second coupling elements and a spring element to act between the handle housing and the coupling wheel. Further, the first and second coupling elements engage with each other through a displacement against a force of the spring element, the housing is bendable, and the handle hosing includes locking hooks configured to snappedly secure the coupling wheel in the housing, and limit an axial displacement of the housing. | 03-26-2009 |
20090065338 | CIRCUIT BREAKER FOR MOTOR PROTECTION AND/OR LINE PROTECTION - A manually operated circuit breaker for motor protection and/or line protection includes a basic board including a switching mechanism, a contact device, and a main current path. The switching mechanism includes a switching apparatus and a breaker latching mechanism. The circuit breaker includes a manual actuating device disposed in a housing part protruding from an operating front and configured to activate the switching mechanism via a rotary knob and an actuating shaft disposed perpendicular to the operating front. The circuit breaker includes an electronic control unit module pluggable onto the basic board and configured to be set with at least one control variable for a fault scenario so as to activate the switching mechanism by indicating a settable fault scenario. The electronic control unit is supplied with a voltage from the main current path via the contact device. An actuator unit including an energy storing device is configured to activate the breaker latching mechanism, and a tripping element is configured to respond to a settable fault criterion. | 03-12-2009 |
20090027814 | ELECTRONIC TRIPPING UNIT FOR A MOTOR-CIRCUIT BREAKER OF AN ELECTRIC MOTOR - An electronic trip unit for a motor circuit breaker of an electric motor includes at least one detection unit configured to sense at least one current that is delivered to the electric motor. The unit further including a discriminator circuit, the discriminator circuit being in a first state when no measured current value exceeds a predefined trip threshold, and being in a second state when at least one measured current value exceeds the predefined trip threshold. The discriminator circuit includes an output for controlling the motor; a voltage-limiting component having a breakdown voltage; a resistor; and a switching unit configured to, in the first state, switch the control signal to the first level, and, in the second state, switch the control signal to the second level, the switching unit being configured to be switched by a voltage drop across the resistor. | 01-29-2009 |
20080251361 | TAMPER PROTECTION DEVICE FOR AN ELECTRICAL SWITCHING DEVICE, INCLUDING A PROTECTION CAP AND A RETAINER FOR A SECURITY SEAL - A tamper protection device for an electrical switching device including a housing and a panel for at least one control element. The tamper protection device a protection cap configured to prevent unwanted operation or tampering of the control element when in position on the housing and a seal retainer configured to block the protection cap from being removed from the covering position when the seal retainer and protection cap are connected by a secured seal wire thereby forming a sealed unit. Each of the protection cap and the seal retainer are releasably connectable to the housing. When the protection cap and seal retainer are secured as the sealed unit it is non-releasably connectable to the housing by an interlocking connection. | 10-16-2008 |