The present disclosure relates to a system of assemblies for remotely actuating a tap box to a continuous access busway. The system includes a tap box having a male component with electric contacts positionable between an engaged position and a disengaged position with a continuous access busway. A remote actuator interface positioned along the tap box for being selectively attached to a remote actuator device for manipulating the male component between the engaged position and the disengaged position. The remote actuator device may be a powered actuator device or an elongated control rod wherein the powered actuator device and elongated control rod may be selectively coupled to the remote actuator interface to manipulate the male component between the engaged position and the disengaged position relative to the continuous access busway from a safe distance to reduce the event of injury due to arch flashing or electrocution.

The invention relates to an electric motor-operated on-load tap changer (1) comprising an emergency drive. An electric motor (3) and a power store (13) of said on-load tap changer (1) are mechanically coupled by means of a gear (5) that is provided with a gear housing (90). The gear (5) comprises a gear shaft (61) on which a toothing (55) is designed. For manual emergency operation, the claimed gear shaft (61) has an extension (62) which comprises a free end (65) for attaching a tool (95). The invention also relates to a method for adjusting a defined switching position of an on-load tap changer (1) when in an emergency operation mode.

A device configured for installation on a wire includes a housing with a wire passage provided therein. A blade is configured to extend through the wire passage and sever the wire. A first electrically conductive member is configured to extend into the wire passage and engage a first end of the severed wire, and a second electrically conductive member is configured to extend into the wire passage and engage a second end of the severed wire. The first end of the severed wire is connected to the second end of the severed wire when a switch arrangement is in a closed position. The first end of the severed wire is disconnected from the second end of the severed wire when the switch arrangement is in an open position. A manual actuator is configured to move the switch arrangement between the open position and the closed position.

Power switch manipulation apparatuses that allow users to manipulate power switches of FRUs mounted within storage racks in a manner free of a user having to physically reach into the storage rack to manipulate the power switches. One embodiment of the disclosed manipulation apparatus broadly includes a base member that may be rigidly secured to a portion of the frame of a storage rack (e.g., on a side or vertical member adjacent a rear door or opening of the rack at the same or similar height as at least one of the power switches) along with a tool that is movably mounted or mountable to the base member for manipulating a power switch of a FRU mounted in the rack.

A circuit breaker may be plugged into a breaker compartment in a panelboard without making a connection to a power bus of the panel board. A tool may be inserted into the breaker compartment to operate movable contacts that connect, or disconnect, the circuit breaker from the power bus without de-energizing the power line network. Inserting the tool into the breaker compartment first causes a trip actuator to trip the circuit breaker.

A portable actuator system enables the remote operation of electrical disconnect switches with a portable actuator device that is temporarily installed at the disconnect switch location. An embodiment, among others, of the portable actuator device has an electric motor having a drive shaft that can be controlled to rotate about a longitudinal axis. The actuator device also has elongated movable first and second arms that are controlled by the drive shaft. The first arm engages and moves the disconnect handle in a first rotational direction so that the disconnect handle is switched to the open position. The second arm engages and moves the disconnect handle in a second rotational direction so that the disconnect handle is switched to the closed position.

A circuit breaker may be plugged into a breaker compartment in a panelboard without making a connection to a power bus of the panel board. A tool may be inserted into the breaker compartment to operate movable contacts that connect, or disconnect, the circuit breaker from the power bus without de-energizing the power line network. Inserting the tool into the breaker compartment first causes a trip actuator to trip the circuit breaker.

The present invention relates to an adapter system for busbars, having an adapter for busbars and an adapter connection module, which can be connected together to provide an operating position of the adapter system. The adapter for busbars has contact connections, a housing and a cable connection arrangement, the adapter connection module has a housing, an interruptible bridge circuit, a primary switch and an activation lever for actuating a lever switch of the adapter for busbars.

A load break tool for opening a high load electrical switch having a first switch contact and a second switch contact. The load break tool includes a main body extending along a longitudinal axis between a first end and a second end. The main body is movable between an extended configuration and a retracted configuration. A first contact is coupled to the first end and configured to selectively couple with the first switch contact. A second contact is coupled to the second end and configured to selectively couple with the second switch contact. In the retracted configuration the first contact is in electrical communication with the second contact. A spring assembly is mounted in the main body for biasing the main body to the retracted configuration, the spring assembly including a compression spring.

Disclosed is a handheld control device (HCD) for remotely operating molded case circuit breakers. The HCD has an engagement fixture with a rectangular aperture for capturing a circuit breaker handle of a molded case circuit breaker. The fixture is attached to a central part of an actuating short arm. The actuating short arm is attached perpendicularly and pivotally to an elongated long arm that is of sufficient distance to protect an operator from hazardous arcing. Right and left elongated actuating members (e.g., rods, cables) extend along the long arm and attach to respective end portions of the actuating short arm. In one embodiment, a pivot handle manually moves the elongated actuating members to move the actuating short arm and consequently the fixture and handle. In another embodiment, a motor is controlled to move the elongated actuating members to move the actuating short arm and consequently the fixture and handle.