SinexcelPCS / inverter – central / containerised
Sinexcel StellaON 1250K Central PCS (PWX1-1250KTL-H-EX)
1250 kVA outdoor IP65 central PCS with 99% peak efficiency, VSG grid-forming, up to 4 units parallel for 5 MWh 1C/0.5C/0.25C blocks.
StellaON is Sinexcel's grid-forming central PCS generation: 1250 kVA in a 720 mm-wide IP65 cabinet, VSG/PQ/VF modes, black start and 100+ MW off-grid paralleling. Four units serve a 5 MWh container at 1C, two at 0.5C – the building block of 2.5 MW / 5 MW MV stations.
Key specifications
| Rated power | 1250 kVA (1.1× long-term, 1.8× 10 s), max DC 1375 kW |
|---|---|
| DC range | 1040–1500 V, 1202 A |
| AC | 3P3W 690 Vac, 50/60 Hz, THDi ≤3% |
| Efficiency | 99% max, 98.5% at rated power |
| Grid-forming | VSG/PQ/VF modes, 100+ MW off-grid parallel, black start, LVRT/HVRT |
| Enclosure | IP65, air cooling |
| Dimensions/weight | 720×2300×1600 mm, 1400 kg |
| Operating temp | -40…60 °C |
| Certifications | EN50549-2/-10, EN61000, IEC EN 62477, RFG |
Manufacturer data; details, options and current revision in the official datasheet. Subject to change.
Typical applications
- Utility-scale and large C&I BESS
- Peak shaving, renewable integration
- Frequency regulation, black start
- 20 ft 2.5 MW / 40 ft 5 MW MV stations
Why from BST.SOLAR?
- Design and sizing for your load profile – not a catalogue sale.
- Installation, grid connection and ComAp-based control from one team.
- Commissioning, remote monitoring and O&M support in Hungary.
Need this equipment for your project?
Send us your load profile or project outline and we return a sized proposal with delivery time.
Call our engineering team: +36 1 451 8070