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Sensata’s new junction boxes support charging at up to 850 volts and 1,300 amps

Sensata Technologies has released new high-voltage junction boxes designed to provide safe and reliable power distribution for high-power charging of commercial EVs. The new DC charging boxes support megawatt charging of medium- and heavy-duty electric trucks at up to 850 volts and 1,300 amps.

Combining Sensata’s current production contactor, fuse, and controller components into a smaller package, the new boxes are custom-designed for specific vehicle requirements. Sensata’s cooling and temperature control technology directly interfaces to the busbars and provides cooling efficiency within tight space constraints. The isolation monitoring design ensures isolation of the high voltage from the chassis. The software and controllers are built on the AUTOSAR platform.

“We have successfully optimized our contactor and fuse design to meet the increased thermal performance that megawatt charging requires while keeping within tight space constraints,” said Sensata Vice President Brian Wilkie. 

Source: Sensata Technologies

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