Series connection
Power supplies of the same type can be connected in series for higher output voltages. As many devices can be connected in series as necessary, as long as the sum of the output voltages does not exceed 150 Vdc. Voltages with a potential higher than 60 Vdc are no longer regarded as safety extra-low voltage and can be dangerous. Such voltages must be installed with a protection against touching.
Avoid return voltage (e.g., from a decelerating motor or battery) which is applied to the output terminals.
Restrictions:
- Keep an installation clearance of 15 mm (left / right) between two power supplies.
- Do not install the power supplies on top of each other.
- Pay attention that leakage current, EMI, inrush current, harmonics will increase when using multiple power supplies.