ROCAS Immersive 261
261 kWh All-in-One ESS
All-in-one energy storage for commercial and industrial sites. The LFP cells are immersed in a circulating dielectric fluid; the system offers active balancing and off-grid support.
- Energy
- 261 kWh
- Power
- 125 kW
- Cell
- LFP 314 Ah
- Cooling
- Immersion
- Dimensions
- 1,450 × 1,400 × 2,350 mm
- Weight
- 3.5 t
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PDF, English, 568 KB
Technical specifications
AC side
| Rated power | 125 kW |
|---|---|
| Maximum current | 209 A |
| Rated voltage | 400 V; 3P+N+PE |
| Off-grid support | Yes |
DC side
| Rated capacity | 261 kWh |
|---|---|
| Maximum current | 200 A |
| Cell | LFP; 3.2 V / 314 Ah |
| DC voltage range | 700–950 V |
| Rated DC voltage | 832 V |
| Cycle life | 10,000 cycles; test conditions stated in the project offer |
| BMS balancing | Active balancing |
| Thermal management | Flow immersion liquid cooling |
| Cell temperature difference | ≤2°C |
General
| Enclosure rating | IP55 |
|---|---|
| Ambient temperature | -30 to +50°C, with derating at the upper range |
| Weight | 3.5 t |
| Dimensions W × D × H | 1,450 × 1,400 × 2,350 mm |
| Fire suppression | Gas fire suppression + immersion-based protection + cabinet-level detection and monitoring |
| Standards* | IEC 62619; IEC 62477; IEC 61000; EN 50549; UL 1973; UL 9540A; UN 38.3; G99 |
Specifications are indicative and refer to the standard configuration. Final values, certificates and warranty terms are confirmed in the project-specific technical offer.
* Standards referenced in the product documentation. Model-specific conformity documents are provided for project review.
Product images are representative. Final appearance depends on the selected configuration.
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