Modular UPS Systems

Sierra 25 48/120

The world’s first fully bi-directional converter for small or large systems.
Back to
120 Vac
48 Vdc
AC Out
120 Vac
DC Out
48 Vdc
2.55 kW 2.75 kVA
Up to
1.85 MW 2 MVA

What's in it for you?

Sierra 25 – 48/120 can be used as a UPS to secure AC & DC loads and charge the batteries. The 3 all bidirectional ports allow for multiple innovative applications such as grid reinjection, peak shavings, phase balancing or energy sharing through DC distribution, among many others.

By using several modules, we can offer solutions for two-phase (2x120Vac + N) or three-phase (3x208Vac + N) infrastructures.

The module can be integrated in small or large cabinets to reach up to 1.85 MW. With our new Inview S monitoring, you can benefit from a unique experience.

The total output power per module is 2.55 kW, limited to 2.25 kW for each AC or DC port.


Key Features

  • Secure AC & DC loads;
  • Many innovative applications;
  • Compatible with Inview S;
  • Modularity: from 2.55 kW to 1.85 MW;
  • From small to large systems.

Technical Data

In/Out: DC voltage (range) 48 Vdc (40 – 60)
In/Out: AC voltage (range) 120 Vac (90 – 140)
Output power 2.75 kVA / 2.55 kW
Efficiency: DC/AC 92.5%
Efficiency: AC/AC 94.5%
Temperature -20°C to 65°C
Dimension 2U x 103 mm x 435 mm
Part number T721330201
User manual

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