A switchgear apparatus configured for operation at voltages up to 72.5 kV includes a vacuum interrupter assembly having a fixed contact and a movable contact configured to move relative to the fixed contact between a closed position in which the movable contact is in contact with the fixed contact and an open position in which the movable contact is spaced from the fixed contact. The switchgear apparatus also includes an electromagnetic actuator configured to move the movable contact between the open position and the closed position, a manual trip assembly movable from an initial position to an actuated position to move the movable contact from the closed position to the open position, and a mechanical interlock assembly configured to prevent the movable contact from moving from the open position to the closed position when the manual trip assembly is in the actuated position.

A switchgear apparatus includes a vacuum interrupter assembly having a movable contact and a stationary contact, a main housing surrounding the vacuum interrupter assembly, and a first terminal electrically coupled to one of the movable contact and the stationary contact, the first terminal extending from the main housing along a first axis. The switchgear apparatus also includes a second terminal electrically coupled to the other of the movable contact and the stationary contact, the second terminal extending from the main housing along a second axis, and a mounting head couplable to the main housing in a plurality of orientations about the first axis.

An embedded pole part for medium or high voltage use, with a vacuum interrupter which is embedded into an insulating resin, wherein a current and/or voltage sensor with sensor housing is integrated inside the insulating resin. In order to overcome the problems of the art, and to enhance the accuracy of voltage measurement, a metal grid is implemented into the insulating resin, which is arranged between the sensor housing of the current and/or voltage sensor and the outer surface of the insulating resin.

An electrical connector includes: a housing including a mechanical interface, the mechanical interface configured to mechanically connect the electrical connector to a bushing; a current path in the housing, the current path including: an electrical conductor; and a switching apparatus electrically connected to the electrical conductor, the switching apparatus associated with operating states, the operating states including at least a first state that closes the current path and a second state that opens the current path; a switch control apparatus in the housing, the switch control apparatus configured to control the operating state of the switching apparatus; and a power apparatus in the housing, the power apparatus configured to obtain electrical energy from the current path and provide electrical energy to the switch control apparatus.

An electrical sensor includes a conductor and an electrical sensor surrounding the conductor to monitor the conductor. An insulating body is molded around the conductor and the electrical sensor. A conductive insert is coupled to the electrical sensor to support the screen around the conductor during molding of the insulating body. After molding, the conductive insert remains coupled to the electrical sensor as an electrical terminal.

Embodiments of the invention provides a smart outdoor switchgear for control and protection of connection and disconnection of a medium-voltage microgrid, which includes: a current transformer, an isolating switch mechanism, an outdoor circuit breaker, an electric isolating driving mechanism and an outdoor jet type fuse. The current transformer is installed on an outlet end of the outdoor circuit breaker. The isolating switch mechanism is connected to the current transformer, and the isolating switch mechanism is connected to the outlet end of the outdoor circuit breaker through the current transformer. A top of the isolating switch mechanism on a side away from the current transformer is connected to a top of the outdoor jet type fuse, and a bottom of the isolating switch mechanism on the side away from the current transformer is connected to a bottom of the outdoor jet type fuse. The electric isolating driving mechanism is installed on the bottom of the isolating switch mechanism.

A switchgear apparatus includes a vacuum interrupter assembly having a fixed contact and a movable contact, and an electromagnetic actuator configured to move the movable contact between an open position and a closed position. The switchgear apparatus also includes a rotatable handle and a manual trip assembly movable from an initial position to an actuated position to move the movable contact from the closed position to the open position. The manual trip assembly includes a link rotatably coupled to the handle and an actuation member operatively coupled to a first end of the link. A mechanical interlock assembly includes a lost motion member operatively coupled to a second end of the link and a blocking plunger. Rotation of the link by the handle operates the lost motion member to provide delayed movement to the blocking plunger when the handle is rotated from the initial position to the actuated position.

An electrical circuit device is particularly configured for the wiring in high-voltage switching devices for the high-voltage energy transfer using RC arrangements. Vacuum switching devices are thereby made suitable for use in inductor switching applications in the high-voltage range greater than or equal to 72.5 kilovolts.

An electrical sensor includes a conductor and an electrical sensor surrounding the conductor to monitor the conductor. An insulating body is molded around the conductor and the electrical sensor. A conductive insert is coupled to the electrical sensor to support the screen around the conductor during molding of the insulating body. After molding, the conductive insert remains coupled to the electrical sensor as an electrical terminal.

A pole part for a low-voltage, medium-voltage or high voltage devices includes a pole insulating housing having two terminals. At least one measuring device is arranged in the pole insulating housing and arranged in a region of a current transporting part for measuring the voltage and/or current of the current transporting part. The measuring device comprises a signal cable arranged inside the insulating housing between a signal output of the measuring device and an outlet of the insulating housing. The signal cable is formed between the signal output of the measuring device and the outlet of the insulating housing as at least a part of a winding extending around an axial axis of the insulating housing with a rotation angle of at least 90.