17results about "Switch condition indication" patented technology

Embodiments provide an Energy Reduction Maintenance Setting (ERMS) key that includes a data connector configured to communicatively couple to a data port of a target device. The ERMS key further includes an illumination device and an actuator mechanism having a base positional state and an actuated positional state. The ERMS key includes logic configured to, upon detecting the actuator mechanism has moved from the base positional state to the actuated positional state, generate and transmit a first data message to the target device through the data connector instructing the target device to enter a protected mode. The logic is further configured to, upon receiving a second data message from the target device over the data connector acknowledging that the target device has successfully entered the protected mode, cause the illumination device to illuminate.

A circuit breaker for an electric current, said device comprising a movable member (2) provided with an electrical conductor (4), said device being configured to move said movable member (2) between a first position, referred to as armed, allowing current to flow in the conductor (4), and a second position, referred to as disarmed, interrupting said current flow, said device further comprising an actuator (12), configured to trigger a transition of the movable member (2) from the armed position to the disarmed position in the event of a fault on an electrical circuit in which said device is integrated, said device further comprising a reset member (36) having a manual actuation zone (38), configured to move the movable member (2) from the disarmed position to the armed position, thereby also triggering a reset of the actuator (12), said actuation zone (38) forming a visual indicator of a disarmed state of said device.

To provide a circuit breaker capable of providing an auxiliary contact while suppressing the increase of the size.SOLUTION: A circuit breaker comprises: a plurality of electric power supply side terminals that can be electrically connected to an electric power supply; a plurality of loading side terminals that can be electrically connected to a loading device; and a plurality of contact parts that can electrically connect one electric power supply side terminal and one loading side terminal, respectively. A contact part selected in accordance with the loading device of the plurality of contact parts, constructs a main contact part which can switch a close state in which a main cable way electrically connecting the electric power supply and the loading device is formed and an open state in which the main cable way is not formed by opening and closing operation, and at least one or residual more contact parts other than the main contact parts of the plurality of contact parts construct an auxiliary contact part to detect the close state and the open state in each main contact part.SELECTED DRAWING: Figure 2

The application discloses a small circuit breaker movable contact connecting structure and a small circuit breaker. The movable contact connecting structure comprises a movable contact and a contact support. A waist-shaped hole is arranged on the surface of the contact support, the waist-shaped hole is used for arranging a first hinged shaft to hinge the contact support to a circuit breaker base, and the contact support can slide along the long axis direction of the waist-shaped hole under the radial limitation of the first hinged shaft; an insertion warehouse for partially inserting the movable contact is arranged on the side wall of the contact support. During the closing process of the small circuit breaker, the contact support is forced to rotate around the first hinged shaft to a preset angle, then the movable contact and the static contact abut against each other, the contact support continues to be forced to make the contact support translate relative to the base, and the first hinged shaft in the waist-shaped hole is relatively translated to the other side along the long axis direction from one side of the waist-shaped hole. The application discards the mode of fixing the movable contact in the traditional circuit breaker, and has the advantages of stable connection and simple structure.

A cut-off device for an electric current, said device comprising a movable member (2) provided with an electric conductor (4), said device being configured to cause said movable member (2) to pass between a first position, called armed, allowing a flow of current in the conductor (4), and a second position, called disarmed, cutting off said flow of current, said device further comprising an actuator (12), configured to trigger a passage of the movable member (2) from the armed position to the disarmed position in the event of a fault on an electric circuit in which said device is integrated, said device further comprising a resetting member (36) having a manual actuation zone (38), configured for a passage of the movable member (2) from the disarmed position to the armed position further causing a resetting of the actuator (12), said actuation zone (38) forming a visual indicator of a disarmed state of said device.Figure for abstract: Figure 1.

To obtain a circuit breaker in which, even when some of a plurality of contacts are welded and a push plate is tilted, display of an ON state does not move, so that the ON state can be clearly determined from outside.SOLUTION: A circuit breaker includes: a housing 3; a push plate 10 capable of opening / closing a plurality of movable contacts 6 and a plurality of fixed contacts 4 provided in the housing 3; a linear sliding member 30c disposed along a groove of a sliding member guide 30d in the housing 3 and having a plurality of projections 30g which each projects from the slide member guide 30d to a side of the fixed contacts 4; a display piece 30b provided at an end of the sliding member 30c and interlocking with the sliding member 30c; and a display window 20 displaying the open / closed state of the contacts when the display piece 30b moves. Thus, a gap to prevent the projection 30g from being pressed can be increased, and when at least one of the contacts is stuck, the display piece 30b can be prevented from operating unnecessarily. Accordingly, an ON state can be clearly visualized, so that misrecognition can be prevented.SELECTED DRAWING: Figure 3

A visual trip indicator for a circuit breaker is disclosed. The electronic components of a visual trip indicator are enclosed in a module that attaches to the circuit breaker handle or within pocket defined in the circuit breaker housing. The visual trip indicator includes a light source operated by a state machine which clearly indicates which circuit breaker, of a group of circuit breakers or in a poorly illuminated enclosure, is tripped. The visual trip indicator also indicating, by a coded light signal, the approximate remaining life of an independent power supply powering the visual trip indicator.

The circuit breaker may include a housing configured to fit within a slot of a circuit board and a display configured to display information. The display may include a touch area configured to allow a touch input, and a variable image area configured to display information and at least partially coincide with the touch area. The circuit breaker may also include a logic module operably connected to the touch region to receive touch inputs and operably connected to the variable image region to display information on the variable image region based on one or more touch inputs.

To make an off-display of a handle hard to be made when a movable contact and a fixed contact are in contact with each other even if a force to push down a movable contactor is not applied from a cross bar.SOLUTION: A handle 11, a frame, a link pin 13, a crossbar, and a movable contactor in which movable contacts are pressed against fixed contacts of a fixed contactor by being pushed down by the crossbar, wherein the frame includes an insertion groove through which the link pin is inserted, the link pin is positioned so as to pass through a first point 121a of the insertion groove when the handle is on display, the link pin is positioned so as to pass through a second point 121b of the insertion groove when the handle is off display, and the link pin is positioned so as to pass between the first point and the second point of the insertion groove when the handle is trip display, the circuit interrupter is provided with a spring member 21 capable of energizing so that the link pin passes through the first spot 121a in a state that the fixed contacts and the movable contacts are in contact.SELECTED DRAWING: Figure 9

A circuit breaker can include a housing configured to fit within a slot of a circuit panel and a display configured to display information. The display can include a touch zone configured to allow touch inputs, and a variable image zone configured to display information and at least partially coincident with the touch zone. The circuit breaker can also include a logic module operatively connected to the touch zone to receive the touch inputs, and operatively connected to the variable image zone to display information thereon based on the one or more touch inputs.

A switch is proposed. This switch comprises an electronic overcurrent release (ETU), a memory (S) associated with the electrical overcurrent release (ETU) for storing fault-related log files, and a display (AZ). According to the invention, the switch is designed to convert information stored in fault-related log files into a graphic code and to output the code on a display (AZ). The invention simplifies the transmission of fault-related information, e.g., by photographing it with a mobile phone and sending it to a service center.

The indicator mechanism (1) for a switch (100) comprises a plunger (2), a fixed plate (3), an indicator contact (4), and a leaf spring (5). At a first end of the leaf spring (4), the leaf spring (5) is arranged in a recess (20) of the plunger (2). A slotted bushing (6) is attached to the leaf spring (5) at a pivot area (54) located between the first end (53) and a second end (54). The indicator contact (4) is located in an area between the fixed plate (3) and the plunger (2). In a first state (11) of the indicator mechanism (1), the leaf spring (5) is in a first position that closes the indicator contact (4). In a second state (12) of the indicator mechanism (11), the leaf spring (5) is pivoted about the pivot area (54) relative to the first position, thereby opening the indicator contact (4).

A circuit breaker can include a housing configured to fit within a slot of a circuit panel and a display configured to display information. The display can include a touch zone configured to allow touch inputs, and a variable image zone configured to display information and at least partially coincident with the touch zone. The circuit breaker can also include a logic module operatively connected to the touch zone to receive the touch inputs, and operatively connected to the variable image zone to display information thereon based on the one or more touch inputs.

The utility model provides a direct current circuit breaker moving contact opening and closing auxiliary signal mechanism, comprising an auxiliary contact member comprising an outer frame, a trigger block, a microswitch, an opening shaft and a prompt block, the outer frame is fixed in a cabinet, a placing space is arranged in the outer frame, and the trigger block is arranged in the placing space; the number of the microswitches is multiple, the microswitches are correspondingly arranged on the two sides of the outer frame respectively, the prompt block is rotationally arranged at one end of the outer frame, an elastic piece is arranged between the end, close to the prompt block, of the trigger block and the outer frame, and the opening shaft penetrates through the outer frame, the trigger block and the elastic piece to make contact with the prompt block and drives the prompt block to rotate. The opening component is arranged on the frame supporting plate, an opening rod of the opening component extends into the outer frame and is in contact with the opening shaft, and an opening end of the opening component is arranged corresponding to a groove formed in the bottom of the moving contact. According to the utility model, the output of accurate and stable auxiliary signals can be ensured, and the stability of the whole mechanism can be improved.

To obtain a circuit breaker in which a display device shows an open state only when a plurality of fixed contacts and a plurality of movable contacts corresponding to each fixed contact are all opened.SOLUTION: A circuit breaker includes a plurality of fixed contact conductors 3 each having fixed contacts 30, a plurality of movable contact conductors 4 each having a movable contact 40 that is provided corresponding to each fixed contact 30 and can come into contact with the fixed contact 30, a display device 7 that displays the contact state or open state of the fixed contacts 30 and the movable contact 40, and a detection member 8 that detects that the plurality of fixed contacts 30 and the plurality of movable contacts 40 are all in an open state and transmits this to the display device 7. The display device 7 displays the open state when the detection member 8 detects that the plurality of fixed contacts 30 and the plurality of movable contacts 40 are all in an open state.SELECTED DRAWING: Figure 4