Single-phase or Three-phase UPS - What to choose

Single-phase or Three-phase UPS? Here are the differences between them and what they offer

The choices you have depend on the equipment you want to support:

Single-phase with voltage 220-230V, 1x35A with maximum power 8000W. Three-phase with voltage 380–430V, 3x35A with maximum power 24000W.

Depending on the equipment the user has and the power it requires, it is important to use the appropriate UPS:

• Single-phase input / output Plug n’ Play with rated power 1-3 kVA. In this UPS category, the sockets can be connected directly to the output.

• Single-phase input / output with terminal, with rated power 6-10kVA.

Tescom provides 2 series of single-phase input output: Neoline Plus, Prime Plus

• Three-phase input / Single-phase output with rated power 6-10kVA.

The TEOS 200 and TEOS 400 SRT support Three-phase input / Single-phase output.

• Three-phase input / output with rated power 30-600kVA. Explore the UPS three-phase series εδώ.

The categories of single-phase with terminal and all three-phase UPS, require connection to the electrical panel that will supply power, only from qualified electrical personnel.


For any questions or queries you may contact Tescom Hellas specialists to assist you.