20results about "Switchgear with horizontal withdrawal" patented technology

The invention discloses a high-voltage metal-enclosed switchgear which comprises a cabinet body made of metal plates, the interior of the cabinet body is divided into a bus chamber for placing buses, a circuit breaker chamber for placing circuit breakers and a cable chamber for placing cables from top to bottom, and a vertical public pressure relief channel is arranged on the right side of the cabinet body. The center line of each corresponding upper contact box and the center line of each corresponding lower contact box are located on the same vertical axis, an upper contact arm and a lower contact arm of the circuit breaker are also located on the vertical axis and stretch out and draw back up and down, and the upper contact arm and the lower contact arm penetrate through the upper valve and the lower valve respectively. And the upper static contact and the lower static contact are respectively connected to form a conductive loop. According to the invention, the size is greatly reduced, the manufacturing cost is reduced, the current-carrying capability is improved, the discharge of the contact arm to the ground and air is effectively prevented, and the safety is better ensured.

Electrical device comprising: - a circuit breaker intended to be installed in an electrical switchgear cell, the circuit breaker being configured to be moved between a plugged-in position and a unplugged position; - a socket (50) configured to be connected to the circuit breaker and comprising a housing (52) and a locking means (54) connected to said housing (52), the locking means (54) being configured to, when the socket (50) is connected to the circuit breaker, move between a locked position, in which the locking means (54) engages at least one anchoring element provided on the housing (52), and an unlocked position, in which the locking means (54) is released from at least one anchoring element, the socket (50) further comprising a sensor (80) configured to detect the locked position and / or the unlocked position of the locking means (54),in which the circuit breaker (40) is configured to be moved between an inside and an outside of the electrical switchgear cell (20), the sensor (80) further configured to cause the circuit breaker (40) to trip before the circuit breaker (40) is moved from the inside to the outside of the electrical switchgear cell (20) when the locking means (54) is in the unlocked position and / or to cause the circuit breaker (40) to trip and allow the movement of said circuit breaker (40) between the plugged-in and unplugged positions when the locking means (54) is in the locked position.

An electrical switchgear for low-voltage or medium-voltage applications includes a cabinet, a withdrawable switching device, and a shield assembly movable along a reference plane of motion. The electrical switchgear includes one or more power connection blocks, each including line contacts, disconnect contacts, and an insulating housing. According to the invention, at least the line contacts and the insulating housing form an integral structure.

Switchgear (1) with two circuit breakers (10) arranged in an upper frame and a lower frame of the switchgear (1), wherein three main busbars (4b) which are arranged in the lower frame of the switchgear (1) and which are longer in a width direction than in a thickness direction, have a flat surface and extend in a lateral direction, are arranged parallel to each other in a top-bottom direction, such that the flat surfaces of these face each other, wherein positions at which three branch busbars (6) connecting the three main busbars (4b) to the lower circuit breaker (10) are connected to the three main busbars (4b) differ from each other in the lateral direction, and wherein the positions in the lateral direction where the three branch busbars (6) are connected to the three main busbars (4b) correspond to gaps between three power cable connecting conductors (5) arranged side by side in the lateral direction.

An electrical device (30) comprising: - a circuit breaker (40) intended to be installed in an electrical equipment unit (20), the circuit breaker (40) being configured to move between an engaged position and a disengaged position; - a plug (50) configured to be connected to the circuit breaker (40), the plug (50) comprising a housing (52) and a locking means (54) connected to the housing (52), the locking means (54) being configured to move between a locked position, in which the locking means (54) engages with at least one anchoring element (90) provided on the housing, and an unlocked position, in which the locking means (54) is released with respect to the at least one anchoring element (90), when the plug (50) is connected to the circuit breaker (40), the plug (50) further comprising a sensor (80) configured to detect the locked position and / or the unlocked position of the locking means (54).

A scalable power tap off system is provided for a power distribution system. The system can have components including a line-side connector assembly for connecting to an upstream power supply, a load-side connector assembly for connecting to downstream load(s), and a draw-out circuit breaker assembly connected between the line-side and load-side connector assemblies. The system also includes a shutter assembly having a movable shutter for proving a barrier to prevent access to at least line-side electrical components on the breaker assembly when the breaker assembly is in the racked-out state, and insulated interconnect buses for electrically connecting the line-side connector assembly and the load- side connector assembly to the breaker assembly. An enclosed compartment is provided to house the load-side connector assembly in isolation from other components and allows access to the load-side connector assembly when the breaker assembly is in a racked-out state or the load-side connector assembly is de-energized.

A slide-in clamping device (100) for removably connecting a first electrical terminal of a withdrawable low-voltage circuit breaker to a corresponding second electrical terminal of a respective stationary base in a withdrawable low-voltage circuit breaker unit comprises at least one pair of first clamping fingers (131) facing each other and at least partially laterally delimiting a first clamping seat (110) for one of said first and second electrical terminals, the first clamping seat (110) comprising a respective slide-in opening (111); at least one pair of second clamping fingers (132) facing each other and at least partially laterally delimiting a second clamping seat (120) for the other of said first and second electrical terminals, the second clamping seat (120) comprising a respective slide-in opening (121) facing oppositely relative to the slide-in opening (111) of the first clamping seat (110); bias elastic means (140) acting on said at least one pair of first clamping fingers (131) and said at least one pair of second clamping fingers (132) so as to urge the clamping fingers (131, 132) of each pair towards each other in a clamping direction (Y-Y) substantially perpendicular to respective slide-in directions (X1-X1) of said first clamping seat (110) and said second clamping seat (120). In the clamping device (100) at least one displaceable spacer assembly (170) is provided having a displaceable spacer member (171), wherein the displaceable spacer member (171) is displaceable between an active position, in which the displaceable spacer member (171) contacts the first clamping fingers (131) of the at least one pair of first clamping fingers or the second clamping fingers (132) of the at least one pair of second clamping fingers urging them away from each other in the clamping direction (Y-Y), and an inactive position, in which the displaceable spacer member (171) does not apply any force to said first clamping fingers (131) or said second clamping fingers (132). A withdrawable low-voltage circuit breaker unit comprising the slide-in clamping device (100) is also disclosed.

Switchgear (1) with a housing (10) the interior of which is partitioned into compartments, wherein the switchgear (1) has a circuit breaker compartment (20a, 20b) which accommodates a circuit breaker (2a, 2b) and a control compartment (50a, 50b) which accommodates a control device (510, 520, 530, 540) for controlling an opening / closing of the circuit breaker (2a, 2b), wherein the control chamber (50a, 50b) is located in front of the circuit breaker chamber (20a, 20b), a control device chamber (510a, 520a, 530b, 540b) which accommodates the control device (510, 520, 530, 540) is provided on one side of a door (9, 9a, 9b) of the housing (10) in the control chamber (50a, 50b), the control device chamber (510a, 520a, 530b, 540b) has a small door (512a, 522a, 532b, 542b) and a box body (511a, 521a, 531b, 541b) which accommodates the control device (510, 520, 530, 540), and the small door (512a, 522a, 532b, 542b) is provided for the door (9, 9a, 9b) of the housing (10), and the box body (511a, 521a, 531b, 541b) is designed such that the control chamber (50a, 50b) is not exposed to the outside world when the small door (512a, 522a, 532b, 542b) is open.

The present disclosure relates to an extractable type hybrid switchgear. A switchgear for an electrical distribution network, comprising: - an extractable first switch unit having one or more first electrodes; - an extractable second switch unit having one or more second electrodes and electrically connected in series with the first switch unit; - a controller implementing a control strategy for increasing the safety of the extraction manoeuvre of the first switch unit and the second switch unit.

A control unit (100) comprises a control unit housing (10) and a plurality of control devices (20). The control unit housing (10) has separating plates (30) that separate the control devices (20) from one another. Each control device (20) has a locking rod (24) that moves linearly synchronously with the ON / OFF operation of an actuating handle (23). The control device (20) has a locking mechanism (50) with a locking plate (51) that has a separating plate engagement section (51A) which can be engaged with the control unit housing (10) in an operating position, and a locking rod control section (51B) that controls the locking rod (24) so ​​that it can only be engaged with the separating plate (30) when the separating plate engagement section (51A) has been engaged with the control unit housing (10).

To reduce a work load by boltless attachment and detachment, etc., while relaxing structural restrictions.SOLUTION: A draw-out type vacuum circuit breaker (1) includes a circuit breaker body (25) mounted on a truck (20) having a wheel (21), and a cradle (10) containing the circuit breaker body placed on a bottom plate (11), and a fall prevention tool (30) prevents the circuit breaker body from falling out of the cradle. The cradle includes a hole (18) formed in a guide (12) and penetrating vertically, and a pin (17) protruding upward from the bottom plate. The fall prevention tool includes a main body (31) arranged on the bottom plate and extending in a direction crossing a travel route (R) of the wheel, an insertion piece (32) formed in the main body and inserted into the hole from below, and an opening (33) formed in the main body and into which the pin can be inserted from the upper end.SELECTED DRAWING: Figure 2

A primary metering cabinet includes a frame including a plurality of vertical frame members and a plurality of horizontal frame members, the frame defining an interior volume; a line connection located within the interior volume and coupled to the frame; a load connection located within the interior volume and coupled to the frame; a current transformer electrically coupled to the line connection and the load connection between the line connection and the load connection; and a carriage assembly coupled to the current transformer and mounted to the frame such that the current transformer is mounted to the frame via the carriage assembly. The current transformer and the carriage assembly are collectively movable relative to the frame between an installation position and a service position.

To smoothly draw out and push in a breaker by only one worker.SOLUTION: A handle portion protruding from the front panel and configured to be operated when a position of the handle portion is changed from a first position at which the movement of the circuit breaker is prohibited to a second position at which the movement of the circuit breaker is permitted, and an interlock lever portion that returns from the second position to the first position when an external force for holding the interlock lever portion at the second position is removed, wherein the assist tool has an elongated shape, has a first engaging portion that engages with the interlock lever portion at one end, and has a second engaging portion that engages with the handle portion at the other end so that the interlock lever portion engaged with the first engaging portion is held at the second position.SELECTED DRAWING: Figure 3

The invention discloses an adjustable high-low voltage switch cabinet, and relates to the technical field of switch cabinets. The adjustable high-low voltage switch cabinet comprises a switch cabinet main body, a fixed slide rail is assembled in the switch cabinet main body, and the top of the fixed slide rail is slidably connected with a circuit breaker main body; the moving contact is assembled on the side surface of the circuit breaker main body, and a static contact is assembled in the switch cabinet main body; and a rotating rod is assembled on the side surface of the circuit breaker main body. According to the adjustable high-low voltage switch cabinet, when the circuit breaker main body is rapidly pushed in or pulled out accidentally, a rotating rod can be driven to rapidly rotate, and the rotating rod is matched with a first hydraulic bin, a moving block, an elastic telescopic rod, an extrusion arc rod, a torsional spring rod, a first transmission rod, a stress block, a second transmission rod and a friction block to move out of a fixed sliding rail and make contact with the side face of the circuit breaker main body; and corresponding buffering and speed reduction are carried out, so that the possibility of damage to the circuit breaker main body is reduced.

The present disclosure relates to at least an electrical and mechanical circuit breaker position indicator. The electrical and mechanical circuit breaker position indicator (1) in an electrical switchgear mechanism (100) comprises a housing (101) accommodating a circuit breaker assembly mounted on a bogie (102) movable between a first withdrawn test position, a second intermediate position and a third rested service position of the circuit breaker assembly. The electrical and mechanical circuit breaker position indicator (1) comprises a single kinematic chain (10) operatively connected to the bogie (102) and movable between a first operative position, a second operative position and a third operative position respectively corresponding to the first withdrawn test position, the second intermediate position and the third rested service position of the bogie (102) and the circuit breaker assembly and providing an electrical signal and a mechanical indication corresponding to each of said first withdrawn test position, second intermediate position and third rested service position of said bogie (102) and circuit breaker assembly.

To obtain a locking device of a novel configuration that is an obstacle on moving an electrical device to a connection position.SOLUTION: The locking device includes a movable part. The movable part has a hooking part and a locking member. The movable part moves in a first direction in unison with an electrical device by being pushed in the first direction by a first electrical device side hook portion of the electrical device whose hooking part moves from a connection position to a disconnecting position. The locking member restricts a movement of the electrical device in a second direction by being hooked to a second electrical device side hook portion.SELECTED DRAWING: Figure 4

The utility model relates to a station signal device for a draw-out type circuit breaker and the draw-out type circuit breaker with the station signal device, and the station signal device comprises a switch actuating element which is fixedly installed on a removable part; the plurality of groups of switch assemblies are fixedly arranged in the cabinet body and are arranged at intervals along the moving direction of the switch actuating element, and the group number of the plurality of groups of switch assemblies is designed to be the same as the station number, so that each group of switch assemblies can be actuated by the switch actuating element which moves to the corresponding station to generate a corresponding electric signal; wherein each group of switch assemblies comprises at least two switch parts which are sequentially arranged far away from the switch actuating element in the direction transverse to the moving direction of the switch actuating element, and each switch part of each group of switch assemblies can actuate the switch part located on the side far away from the switch actuating element. The at least two switch elements are moved to the corresponding stations, so that each group of switch assemblies can actuate the at least two switch elements when being actuated by the switch actuating elements moved to the corresponding stations, thereby generating at least two corresponding electric signals.