An apparatus includes an enclosure (e.g., an MCC bucket enclosure) having a cover configured to be opened, a disconnect switch positioned in the enclosure, and a shaft having a first end inserted in the disconnect switch and configured to actuate at least one switch in the disconnect switch by rotation of the shaft. The apparatus further includes a switch handle mechanism mounted on the cover, configured to receive a second end of the shaft when the cover is in a closed position, and comprising a switch handle configured to rotate the shaft. The switch handle mechanism may be configured to allow withdrawal of the second end of the shaft from the switch handle mechanism when the switch handle is in a first position to allow opening of the cover and to prevent withdrawal of the second end of the shaft from the switch handle mechanism wherein the switch handle is in a second position to prevent opening of the cover.

A vehicle drive device that includes a rotary electric machine that serves as a drive force source for wheels; a speed change mechanism; a pump motor that serves as a drive force source for an electric pump that generates a hydraulic pressure to be supplied to a servo mechanism for the speed change mechanism; a case that accommodates the speed change mechanism; and a first inverter that controls the rotary electric machine and a second inverter that controls the pump motor, the first inverter and the second inverter being connected to a common DC power source, wherein: the first inverter and the second inverter are disposed in the case; and a first wiring member that extends from the DC power source is branched in the case to be connected to each of the first inverter and the second inverter.

A power supply comprises a casing with a port; a main board placed in the casing and having a power conversion circuit; a sub-board electrically connected to the power conversion circuit and provided with at least one first connector; and a communication module. The power conversion circuit has at least one electrical connection terminal. A first interface of the first connector faces the port. The communication module comprises a first circuit board and a communication circuit disposed on the first circuit board, the first circuit board has an electrical connection part electrically connected to the communication circuit, the electrical connection part has a first state of connecting with the first interface so that the communication module and the power conversion circuit are electrically connected, and a second state of detaching from the first interface so that the communication module is separated from and electrically disconnected with the sub-board.

In a drive system and a method for actuating a drive system having an electric motor and an electric device, which has an electronic circuit feeding the electric motor, the electric device includes a module, the electric device, e.g., the electronic circuit, being able to be connected to a processor, e.g., an actuation PC, for a data exchange, e.g., for actuating the drive system. The module is inserted into a depression, e.g., a recess, of the electric device, and the module including operable switches, e.g., DIP switches, and a memory for storing first parameters.

The invention relates to a control unit for an electric vehicle or hybrid vehicle. The control unit has a housing enclosing a cavity. The housing has a housing lid and a housing opening, wherein the housing lid is designed to close the housing opening. According to the invention, the control unit has an electrically insulating shock hazard protection cover, which has at least one projection region extending transversely with respect to a surface of the shock hazard protection cover. The housing lid has at least one receptacle for the projection region, wherein the cutout is designed to retain the projection region in a force-locking manner. The shock hazard protection cover has at least one latching hook designed to latch in a positively locking manner, or additionally in a force-locking manner, with the housing or a part of the control unit in the interior of the housing which is connected to the housing.

The present invention provides a connection structure and an apparatus unit that can avoid damage to connectors when the connectors are caused to be connected to each other. Through rotation of a first option unit towards an inverter body, the connection structure connects a first connector disposed in the inverter body and a second connector disposed in the first option unit, and the first connector and the second connector are floating connectors.

A motor drive system includes a control module and a power module for generating control signals and power signals, respectively, for driving an electric motor. An add-on module or subassembly is physically positionable between the control and power modules, and communicates with the control module to allow for communication with external devices.

Embodiments of the present disclosure provide a DC-DC converter, and a DC output device. The DC-DC converter includes: a housing; a detachable connection structure arranged on the housing and configured to detachably connect with a battery module; a DC-DC conversion module received in the housing and configured to convert a direct current input from the battery module to a direct current at a preset voltage; and one or more current output ports arranged on the housing, the one or more current output ports are electrically connected with the DC-DC conversion module and are configured to output the direct current at the preset voltage obtained from the DC-DC conversion module.

In an electrical device, e.g., a converter or converter motor, having a cover part and signal electronics, the signal electronics have a first printed circuit board and a memory unit which is electrically plug connected to the first printed circuit board, e.g., by an electrical plug connection, and the memory unit has a switch unit, e.g., a selector switch and/or a DIP switch.

A converter and a method of manufacturing a converter. The converter includes electrical components and a cover enclosing a first group of the electrical components of the converter, wherein a second group of the electrical components are printed electrical components which are embedded in the cover of the converter. The cover of the converter includes a user interface, and the user interface includes printed electrical components from the second group of electrical components.