An electrical connection box includes a substrate on which a fuse element including terminals is mounted, and a case member in which the substrate is housed. Through holes pass through the substrate in the thickness direction, the terminals of the fuse element are inserted into the through holes on one surface side of the substrate and protrude from the other surface side, and the protruding portions of the terminals are in contact with the case member.

The invention relates to an electrical power supply cable (10) for a photovoltaic installation, comprising an electrical conductor (12) having at least two electrical conductor portions (20, 22) and a fuse (24) arranged between said at least two electrical conductor portions, said at least one fuse electrically linking said at least two electrical conductor portions, the cable (10) further comprising a protection element (30, 40, 50, 60) overmolded around said fuse and forming an electrical insulation layer, said protection element comprising at least one overthickness at at least one end portion (34, 36) of the protection element (30).

Provided is a circuit assembly with a novel structure that can quickly reduce heat generation at a connection portion of a heat generating component. A circuit assembly includes a heat generating component that generates heat when energized; a energization member that connects to a connection portion of the heat generating component; a fastening member that fastens the energization member to the connection portion; and a heat capacity increasing component that thermally connects to a fastening site of the energization member and the connection portion and increases a heat capacity of the connection portion of the heat generating component.

A fluid connector for coolant includes a chamfered lip and a fir tree circumferentially aligned with at least one O-ring on an outer body of the fluid connector. The fluid connector is configured to receive an end piece. The end piece has a standard SAEJ2044 end form. The fluid connector utilizes a housing to form a ribbing and support a seal. An integrated inverter assembly includes a main cover and an opposing back cover; a coolant channel disposed between a coolant channel cover and a coolant channel separating body; wherein power electronics of the integrated inverter assembly are thermally coupled to the coolant channel; wherein at least one of a coolant inlet or a coolant outlet of the coolant channel comprises a fluid connector; and wherein the fluid connector comprises a chamfered lip on an end of the fluid connector.

Fuse load-break switch (1) for low-voltage high-power fuses, a fuse contact pair for receiving a fuse (5A, 5B, 5C) being provided within a housing (2) of the fuse load-break switch (1) for each current phase to be disconnected, characterized in that a thermal power loss brought about by the fuses (5A, 5B, 5C) is dissipated into at least one heat dissipation duct (3) provided laterally on the housing (2) of the fuse load-break switch (1).

Fuse load-break switch (1) for low-voltage high-power fuses, a fuse contact pair for receiving a fuse (5A, 5B, 5C) being provided within a housing (2) of the fuse load-break switch (1) for each current phase to be disconnected, characterized in that a thermal power loss brought about by the fuses (5A, 5B, 5C) is dissipated into at least one heat dissipation duct (3) provided laterally on the housing (2) of the fuse load-break switch (1).

A complex type fusible link which includes an insulative block base including a plurality of cavities; a conductive connecting plate which is integrally embedded in the insulative block base, a part of the conductive connecting plate being exposed to at least one of the cavities; a plurality of fusible elements each of which is accommodated in corresponding one of the cavities and includes a first end which is connected to the part of the conductive connecting plate and a second end; and a plurality of terminals each of which is integrally embedded in the insulative block base and includes a first end which is connected to the second end of corresponding one of the fusible elements and a second end which is exposed from the insulative block base, at least one of the fusible elements includes a fastening portion to which another fusible element is fastened.

A fuse is at least partially located between a first load relay and a first charging relay, and an electric current detector is at least partially located between a second load relay and a second charging relay. The electric current detector is in contact with an insulating layer. As viewed from the side, the fuse is located below the electric current detector. The fuse is not in contact with the electric current detector.

To provide a power converter and a breaking mechanism which can break a DC current and can suppress that a fused material scatter to other circuits at fusing, in the case the breaking mechanism of excess current is formed by a circuit pattern of a circuit board. A breaking mechanism is formed by a multilayer circuit board, and is provided with one or two fuse patterns which fuse when excessive current flows, and a scattering prevention pattern, wherein the one or two fuse patterns are provided in an inner layer, and wherein the scattering prevention pattern is provided in a layer different from the one or the two fuse patterns, and overlaps with at least a part of a fusing part of each of the one or two fuse patterns, viewing in a normal direction of a circuit board face.

To provide a power converter and a breaking mechanism which can break a DC current and can suppress that a fused material scatter to other circuits at fusing, in the case the breaking mechanism of excess current is formed by a circuit pattern of a circuit board. A breaking mechanism is formed by a multilayer circuit board, and is provided with one or two fuse patterns which fuse when excessive current flows, and a scattering prevention pattern, wherein the one or two fuse patterns are provided in an inner layer, and wherein the scattering prevention pattern is provided in a layer different from the one or the two fuse patterns, and overlaps with at least a part of a fusing part of each of the one or two fuse patterns, viewing in a normal direction of a circuit board face.