An electric cut-off safety device for the power circuits of an electric bipolar vehicle is capable of cutting off two poles. An electric vehicle can include such an electric cut-off safety device.

A device for monitoring and indicating a fuse tube detachment from a fuse cutout assembly contains a structural body, a tilt switch, a power source, a visual indicator, and an attachment mechanism. The attachment mechanism is used to mount the device onto the fuse tube. The tilt switch monitors the position of the fuse tube. More specifically, when the vertical position of the fuse tube changes to the dropped position the tilt switch is triggered. Thus, the visual indicator is illuminated. The illumination aids in the process of discovering the detached fuse tube. In addition to the visual indicator, the device can also be equipped with a wireless communication device and an alarm system. The wireless communication device can be used to provide the exact location of the detached fuse tube. On the other hand, the alarm system can be used to expedite the process of discovering the detached fuse tube.

A coupling device is provided. The coupling device comprises a first connector with one or more primary pins and one or more drawers. The one or more drawers are configured to receive at least one of a fuse or a jumper. The one or more drawers are configured to be opened to permit the fuse or the jumper to be added or removed. The coupling device defines one or more recesses, and the one or more drawers are configured to be inserted into a recess of the one or more recesses to place the drawer in a closed state. In the closed state, the fuse or the jumper form part of an electrical circuit.

An in-line fuseholder quick connection device is disclosed. In addition to allowing easy insertion of a fuse cartridge, the in-line fuseholder quick connection device includes easy wire connection using spring clamps, enabling the customer to avoid wire terminal crimping processes.

The invention refers to a fuse switch module (1) that comprises a casing (2) having an aperture (3) and a cover (4) for closing and opening the aperture (3), and a rotatable fuse cartridge (11) for receiving a fuse (8). The fuse cartridge (11) is rotatable between a switch module closed position in which a fuse (8) is connected with fixed contacts (5,6) to enable current circulation, and a switch module open position in which current circulation through the fixed contacts (5,6) is impeded. The cover (4) and the fuse cartridge (11) are engaged when the cover (4) is closing the aperture (3) and when the fuse cartridge (11) is in the switch closed position, thus, the cover (4) is locked by the fuse cartridge (11) and opening of the cover (4) is impeded while current is circulating through the switch module.

A coupling device is provided having a first connector with a first primary pin and a second primary pin. The coupling device also defines a first recess and a second recess. The first recess is configured to receive a first component selected from the group consisting of a fuse or a jumper, and the second recess is configured to receive a second component selected from the group consisting of a fuse or a jumper. The first recess is closed when the first component is received in the first recess. When the first recess is closed, the first component forms part of a first electrical circuit with the first primary pin. Additionally, the second recess is closed when the second component is received in the second recess. When the second recess is closed, the second component forms part of a second electrical circuit with the second primary pin.

A coupling device is provided. The coupling device comprises a first connector with one or more primary pins and one or more drawers. The one or more drawers are configured to receive at least one of a fuse or a jumper. The one or more drawers are configured to be opened to permit the fuse or the jumper to be added or removed. The coupling device defines one or more recesses, and the one or more drawers are configured to be inserted into a recess of the one or more recesses to place the drawer in a closed state. In the closed state, the fuse or the jumper form part of an electrical circuit.

A fuse holder that includes a housing, which has a rotating fuse carrier that rotates about a pivot point between open and closed positions. The fuse carrier is configured to accept insertion of a fuse when in the open position, and configured to bring the fuse into electrical contact with a first and a second fuse clip when in the closed position. Additionally, the fuse carrier, when in the closed position, is further configured to orient the fuse so that the fuse is positioned more vertically than horizontally. In particular embodiments of the invention, the fuse carrier rotates about a pivot located in the housing.

The invention refers to a fuse switch module (1) that comprises a casing (2) having an aperture (3) and a cover (4) for closing and opening the aperture (3), and a rotatable fuse cartridge (11) for receiving a fuse (8). The fuse cartridge (11) is rotatable between a switch module closed position in which a fuse (8) is connected with fixed contacts (5,6) to enable current circulation, and a switch module open position in which current circulation through the fixed contacts (5,6) is impeded. The cover (4) and the fuse cartridge (11) are engaged when the cover (4) is closing the aperture (3) and when the fuse cartridge (11) is in the switch closed position, thus, the cover (4) is locked by the fuse cartridge (11) and opening of the cover (4) is impeded while current is circulating through the switch module.

The invention refers to a low-cost fuse switch module that comprises a pair of fixed contacts and a rotary contact rotatable about a rotation axis located in-between the fixed contacts. The rotary contact is rotatable between a closed position in which it is connected with the fixed contacts to enable current circulation, and an open position in which the rotary contact is electrically isolated from the pair of fixed contacts. An overcurrent protection fuse is provided for limiting maximum current circulation through the contacts in the closed position, and the fuse is rotatable about the axis and it is arranged to operate as the rotary contact of the switch, such as by rotating the fuse about the rotation axis, the switch reciprocally transit from the closed to the open position.