| Patent Number |
Title Of Patent |
Date Issued |
| 5953221 |
Circuit breaker or contact system with a multi-range power supply unit and a multi-range power s |
September 14, 1999 |
| A multi-range power supply unit with an automatic switchover between ranges for different power supply voltages is disclosed for use with devices such as circuit breakers or contact systems. The power supply unit preferably has only two input connections for an input voltage range of app |
| 5940547 |
Optical fiber accidental arc detector for an electric power distribution switching device |
August 17, 1999 |
| An electric power distribution switching device including a detector for detecting accidental arcs in the electric power distribution switching device, which detector includes at least one waveguide in which the light generated by the arc and reaching it via its casing is used as a t |
| 5918732 |
Power circuit breaker with a breaker mechanism and a breaker mechanism for a power circuit break |
July 6, 1999 |
| The present invention relates to a switch latch for a power switch comprising a switching gate, two toggle levers which are connected by means of a toggle-lever axle, a helical latch spring and a release lever allowing the control of the change-over point, and thus the control of the |
| 5905631 |
Low-voltage switchgear assembly for the output or distribution of electrical energy |
May 18, 1999 |
| Guide members to guide the guide edges of plug-in units upon insertion of the plug-in units into the U-shaped bus duct of a low voltage switchgear assembly. The guide fittings are arranged on the inside of the side legs of the U-shaped bus duct, and the plug-in units are held between the |
| 5898148 |
Coil shaped terminal for an electrodynamically operated circuit breaker |
April 27, 1999 |
| A switch has at least one fixed and one moving contact located on a contact arm. The fixed contact is connected to a loop-shaped conductor segment, such that when current flows through the conductor segment, there is an electrodynamic magnetic force which acts on the contact arm. The for |
| 5811749 |
Electrical switching device with blow-out channels for arc gases |
September 22, 1998 |
| An electrical switch is intended to prevent hot arc gases from contacting the terminal screw units. The arc gases are to flow off in an already deionized manner so that no damage is caused even when they flow out towards the electric cable terminals without the need for additional sh |
| 5781990 |
Method and device for preparing cable for separating into portions |
July 21, 1998 |
| In order to make it easier to wire controls or switch cupboards and to economically reduce the probability of wiring errors, the ready-for-use cable is tied to a sequence of interconnected cables. In order to produce the sequence of ready-for-use cables, their insulation is stripped off |
| 5774031 |
Low-voltage power switch with relative auxiliary switch |
June 30, 1998 |
| A low-voltage power switch with a relative auxiliary switch which is actuated as a signalling switch only when the generally multi-pole low-voltage power switch is triggered. The problem to be solved is that of controlling relative auxiliary switches simply and independently of the s |
| 5719363 |
Mechanical switching device such as a circuit breaker and a safety device for the circuit breake |
February 17, 1998 |
| A safety device for mechanical switching devices such as circuit breakers which can be mounted on mounting surfaces or plugged into plug-in pin bases. The safety device ensures that the mechanical switching device is tripped both when it is being installed, and also when it is being |
| 5650902 |
Substation for the distribution of electrical energy protected against arcing faults |
July 22, 1997 |
| Substation for the distribution of electrical energy, and protected against arcing faults, characterized by the fact that Hall-effect sensors and additional optical fiber conductors are provided as sensors, whereby the Hall-effect sensors are logically AND linked with the optical fiber |
| 5614888 |
Circuit breaker with an alarm device and a circuit for generating an alarm in a circuit breaker |
March 25, 1997 |
| A circuit configuration for a signalling device in circuit breaker units, in particular in power circuit breakers, which have an electronic tripping device and which become effective in the event of a fault in an electrical system to be protected, whereby the electronic tripping device i |
| 5566320 |
Memory storage access control circuit for coupled mask-programmed microcontrollers |
October 15, 1996 |
| The invention discloses a memory access control for coupled mask-program over microcontrollers in particular in connection with applications for memory storage programmable control in the low-cost region. The coupling of the microcontroller (MC1) and of the memory access authorization to |
| 5543595 |
Circuit breaker with a blocking mechanism and a blocking mechanism for a circuit breaker |
August 6, 1996 |
| A circuit breaker with a blocking mechanism having reversing levers which are rotatably mounted on both sides of the supporting lever of the circuit breaker, which reversing levers are in contact with the upper toggle in an interlocking manner. The reversing levers are moved when the swi |
| 5539168 |
Power circuit breaker having a housing structure with accessory equipment for the power circuit |
July 23, 1996 |
| A circuit breaker having a housing structure with accessory devices for power circuit breakers, which housing structure can essentially eliminate the need for complex and expensive methods for the insertion and positioning of the accessory devices in the main housing of the power cir |
| 5534674 |
Current limiting contact system for circuit breakers |
July 9, 1996 |
| A current limiting contact system for a circuit breaker with improved durability and a reliable electrodynamic contact system opening. The moveable contact is composed of several contact fingers with a moveable contact piece. Each contact finger is mounted at one end by a swivel pin |
| 5510761 |
Contact system for a current limiting unit |
April 23, 1996 |
| A contact system for current limiting units which are combined with power circuit breakers or motor circuit breakers. The object of the invention is to improve the reliability of the current limiting unit equipped with such a contact system, while reducing the time and effort required to |
| 5483212 |
Overload relay to be combined with contactors |
January 9, 1996 |
| An overload relay comprising three modules, each enclosed in molded housings: the basic unit, the contactor-side terminal block and the load-side terminal block. Both terminal blocks have phase connectors which can be the same or different in terms of their type of connection and/or |
| 5369384 |
Power circuit breaker with a breaker mechanism and a breaker mechanism for a power circuit break |
November 29, 1994 |
| The breaker mechanism for power circuit breakers is the energy storage link between the handle and the contact systems. Known breaker mechanisms are generally too expensive to manufacture. When contact welding occurs, there is also the risk that, in spite of the tripping of the breaker m |
| 5362933 |
Electrical switching devices, in particular low voltage power circuit breakers |
November 8, 1994 |
| An electrical switching device such as a low voltage power circuit breaker, can have a cover with a slot-like opening for providing access to a switch lever of the switching device. The cover can extend to cover over any chambers for shunt releases and/or auxiliary switches etc. which ch |
| 5322444 |
Device for the electrical connection of parallel busbars |
June 21, 1994 |
| The known arrangements of low-voltage energy distribution include connecting elements for busbar trunking systems with which, while a change of direction is possible, the currents are limited. The new device is intended to make it possible to easily change directions, even with high |
| 5298724 |
Method for operating installations comprising chip-card-driven control systems |
March 29, 1994 |
| The invention relates to a method for the coding and the availability of a chip card, which is provided as memory storage in a programmable control system. During the initial operation of a chip card with a control system a coding process is performed. The coding process specifies the ch |
| 5222910 |
Plug element for an electrical connection, in particular in distribution boards or similar insta |
June 29, 1993 |
| An apparatus for electrical connection which has good contact characteristics, consists of simple parts, is easy to assemble and install, and is also suitable for the electrical connection to C-shaped bus bars or bus bars with slot shaped tap zones, which bus bars are preferably in w |
| 5176529 |
Apparatus for connecting control current lines |
January 5, 1993 |
| A device is disclosed for connecting control current lines in low voltage switchboard plants. The device should allow the control current in a plug-in distribution board to be easily maintained up to a test position of the rack and to be cut beyond this position when the rack is drawn ou |
