Products / Liquid Cooling / ROCAS 261 AC
Representative product render. Final appearance may vary.
Liquid Cooling / C&I
ROCAS 261 AC
261 kWh | AC-Coupled BESS
Integrated liquid-cooled battery and PCS cabinet. Modular parallel expansion, rapid electrical protection, real-time monitoring and fault logging.
261 kWh125 kW
PRODUCT DATA
Technical specifications
AC / GRID-CONNECTED
| Rated output | 125 kW |
|---|---|
| Overload | 1.1× continuous; 1.2× for 1 min |
| Rated voltage / wiring | 400 V (-15% to +15%); 3P+N+PE |
| Rated current | 180 A |
| Power factor | -1 to +1 |
| Grid frequency | 50/60 Hz ±2.5 Hz |
| THDI | ≤3% |
AC / OFF-GRID
| Voltage | 400/380 V ±3% |
|---|---|
| Frequency | 50/60 Hz |
| THDU | <3% with linear load |
| Unbalanced load | 100% |
BATTERY
| Cell chemistry / rating | LFP; 3.2 V / 314 Ah |
|---|---|
| Configuration | 1P260S |
| Energy at 25°C / 0.5P | 261 kWh |
| DC range / nominal | 702-936 V / 832 V |
| Cycle life | 8,000 cycles (0.5P, 25 ±2°C, 70% SOH) |
SYSTEM / ENVIRONMENT
| Charge/discharge / display | ≤0.5P; optional touch screen (web) |
|---|---|
| Dimensions W × D × H | 1,000 ×1,350 ×2,300 mm |
| Weight | 2,670 kg |
| Noise | <75 dB |
| Enclosure / battery pack | IP54 / IP67 |
| System efficiency | ≥88% |
| Ambient temperature | -20 to +55°C |
| Humidity | ≤95% |
| Cooling | Liquid cooling |
| Fire suppression | Aerosol |
| Communications | Ethernet / CAN / RS485 |
| Maximum altitude | 2,000 m |
| Listed standards* | GB/T 34120; GB/T 36276; IEC 62477; IEC 62619; IEC 61000; UN 38.3 |
Technical notes & source documentation
PDF specifications used. Web gives -30 to +55°C, AC upper tolerance +10%, and system efficiency >88%.
Reference model: SE261L-125K. Listed standards are source references; model-specific conformity documentation is available for project review.
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