aiess.pl
Liquid-Cooled Outdoor Cabinet — TÜV Rheinland Certified
Technical specification for Roche Energy REL261 — 125 kW / 261 kWh, Polish AIESS EMS, 14-day delivery.
Technical specification
| Parameter | Value | Description |
|---|---|---|
| Cell type | LFP 3.2V/314Ah | Lithium iron phosphate cells |
| Battery configuration | 1P260S | One string of 260 cells (5 × 1P52S packs) |
| Rated capacity | 261 kWh | Rated energy |
| Rated power | 125 kW | Continuous charge/discharge power (0.5P) |
| Inverter type | Bidirectional PCS, on-grid | Grid-connected |
| Rated DC voltage | 832 V | Rated battery string voltage |
| DC voltage range | 728~936 V | DC voltage range |
| AC Voltage | 380 / 400 V (-15% to +10%) | 3-phase, 50 Hz |
| Connection | 3P 4W + PE | 3-phase 4-wire with protective earth |
| Power factor | -1 (leading) to +1 (lagging) | Full reactive power control |
| THDi | ≤3% | At rated power |
| Overload capability | 120% | Dynamic three-phase balancing |
| Total efficiency | 88% | Including auxiliary consumption (cooling, control) |
| Protection rating | IP54 | Dust and water protection |
| Corrosion protection grade | C4 | Configurable |
| Cooling system | Liquid cooling | Cell temperature spread ±1.5°C |
| Fire suppression | Perfluorohexanone + water fire suppression | Three-level safety chain |
| AC protection | Moulded-case circuit breaker (MCCB) | AC side protection |
| DC protection | Isolator switch + fuse | DC side protection |
| Operating temperature | -30°C do +50°C | Derating above 45°C |
| Humidity | 0~95% (non-condensing) | Operating humidity range |
| Maximum altitude | ≤2000 m | Installation altitude |
| Dimensions (W×H×D) | ~990×2470×1465 mm | Outdoor cabinet |
| Footprint | 1.45 m² | 261 kWh within a single parking space |
| Weight | ~2.8 t | Total cabinet weight |
| Communication | CAN / Ethernet / RS485 | Modbus TCP to the AIESS EMS |
| Scalability | up to 20 units | Parallel operation with autonomous reconfiguration |
| Certificates | TÜV Rheinland: IEC 62619, IEC 62477-1 (LVD), IEC 61000 (EMC); PCS: EN 50549-1/-10, NC RfG; UN 38.3 | Conformity certificates for system, PCS and cells |