Pay-as-you-grow
Add power modules as demand grows, protecting your capital investment.
Modular transformerless UPS · 30–600 kW
The Vertiv™ Liebert® APM2 is a next-generation, modular, transformerless UPS featuring high power density and advanced capabilities. Its pay-as-you-grow architecture lets you add power and redundancy without replacing the frame or interrupting the critical load.

At a glance
Best suited for
Benefits
Add power modules as demand grows, protecting your capital investment.
Maximum capacity in a compact, floor-space-efficient footprint.
N+1 module redundancy for mission-critical availability.
Service or scale without dropping the protected load.
Lowers installation cost, weight and energy loss.
Compatible with modern lithium energy storage.
Features
Specifications
Indicative specifications — final configuration, runtime and options are confirmed on quotation.
| Attribute | Specification |
|---|---|
| Capacity range | 30 – 600 kW |
| Topology | Modular, transformer-free online double conversion |
| Redundancy | N+1 module redundancy |
| Serviceability | Hot-swappable power modules |
| Battery support | VRLA and lithium-ion |
| Applications | Data centre, healthcare, industry, finance |
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