Power connector

RaccoonLab
POWER-MUX
$
29.00
This device can be used to power up the CAN bus and connect low voltage powered devices to the common network.

You could buy this device at Zubax Shop: https://shop.zubax.com/collections/raccoonlab/products/raccoonlab-power-connector.
More info: https://raccoonlabdev.github.io/docs/guide/power/