24VDC is the most common supply for industrial electronics like PLCs, sensors etc. It is used in almost every type of industrial automation systems. 48VDC is al

24VDC is the most common supply for industrial electronics like PLCs, sensors etc. It is used in almost every type of industrial automation systems. 48VDC is also not uncommon for bigger power supplies, servos, etc. https://www.siemens.com/global/en/products/automation/power-supply.html?utm_source=chatgpt.com https://www.siemens.com/global/en/products/automation/power-...