System Description - ABB DPA UPScale ST40 User Manual

3 System description

The DPA UPScale ST S2 is a three-phase transformerless uninterruptible power supply (UPS). It is a
true on-line double conversion UPS providing quality power for sensitive equipment. It is a modular
UPS consisting of:
- DPA UPScale modules, rated power 10kW or 20kW
- Maintenance bypass switch
- Incoming and outcoming terminals
- Communication interfaces
- Parallel interface (option)
- System graphical display (option)
- Internal battery modules (option)
The DPA UPScale ST S2 family has five models available:
DPA UPScale S2
Max rated power
Max number of DPA
UPS modules
Internal battery
modules
Modifications reserved
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ST40 ST60
40 kW 60 kW
2 3
Yes Yes
ST80 ST120
80 kW 120 kW
4 6
No No
ST200
200 kW
10
No