It depends on the open voltage of the DC power supply. If the open voltage is 12VDC or less, hot swapping should be safe for the devices. However, some DC sources have higher open voltages above 12V (e.g. 36V, 48V). In that case, hot swapping can damage the sensors or exceed their voltage tolerance. To… Read more Can low-voltage Keilton devices be hot-swapped while energized?