Uptime Institute & ISO 8528-5 G3 Explained for Data Centre Generators
In practice, Uptime Institute requirements define the resilience logic of the facility, while ISO 8528-5 G3 helps define the performance…
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Société Internationale des Moteurs Baudouin, based in Cassis, France, supplies dedicated backup power solutions for data centres with generator sets publicly positioned from 2000 kVA to 5250 kVA and extended to 6250 kVA with the 20M61 for hyperscale applications. Baudouin states that these gensets are engineered for Uptime-aligned data centre operations, support TIA-942B requirements, are manufactured according to ISO 8528-5 G3 performance class standards and can operate on HVO diesel conforming to EN15940.
- 6250 kVA Standby power max (20M61)
- ISO 8528-5 G3 Performance class
- Cassis, France Manufacturing site
Updated: June 5, 2026
Why backup power is central to data centre resilience
In a modern data centre, backup power is not a secondary utility. It is a core resilience system that protects IT continuity, contractual uptime, business-critical applications and service-level performance. If the grid fails, the backup power plant must take over quickly, predictably and repeatedly, without compromising voltage stability or operational continuity.
For this reason, generator sets for data centre applications must be selected and specified against a broader system logic that includes UPS autonomy, switchgear design, redundancy strategy, future capacity growth and plant synchronisation. The right genset is not simply the highest available rating. It is the unit or platform that integrates correctly into the architecture of the facility and performs as expected during real-world transient events.
Baudouin’s data centre generator range
Baudouin positions its dedicated data centre gensets in a range from 2000 kVA to 5250 kVA in its launch communication for the sector, while the wider generator-set portfolio extends up to 6250 kVA and the 20M61 now anchors Baudouin’s hyperscale positioning. This gives project teams a scalable range that can address large enterprise sites, colocation campuses and hyperscale developments within one coherent product family.
| Product scope | Published output | Strategic role |
|---|---|---|
| Dedicated data centre gensets | 2000–5250 kVA | Core range for critical data centre backup power |
| Generator-set portfolio | Up to 6250 kVA | Broader high-power positioning across applications |
| 20M61 genset | 6250 kVA standby | Hyperscale backup power and high single-unit capacity |
| PowerKit Diesel engines | 18–4125 kVA | Engine architecture supporting power generation projects |
Questions fréquentes
What generator rating range does Baudouin publish for data centre backup power?
Baudouin publishes a dedicated data centre genset range from 2000 to 5250 kVA, while its wider generator-set portfolio extends to 6250 kVA and the 20M61 delivers 6250 kVA in standby mode for hyperscale positioning.
Why are Uptime, TIA-942B and ISO 8528-5 G3 important?
They help define resilience expectations, specification quality and transient generator performance in critical applications. Baudouin references all three in connection with its data centre offer.
Can Baudouin data centre generators run on HVO?
Yes. Baudouin states that its data centre generator sets can operate on HVO diesel conforming to EN15940.
What is the role of the 20M61 in the range?
The 20M61 extends Baudouin's portfolio to 6250 kVA in standby mode and strengthens its positioning for hyperscale facilities with high single-unit power requirements.
How does PowerKit support data centre projects?
PowerKit Diesel engines support the underlying power-generation architecture with published outputs from 18 to 4125 kVA, helping Baudouin serve both packaged gensets and broader engine-based project configurations.
