Sunwoda STS Backup Box
The Sunwoda STS Backup Box is an optional system accessory for the OASIS L261 All-in-One. It enables rapid transfer to backup operation when the grid supply is interrupted, allowing selected critical loads to continue receiving power.
Designed for installation beside the main battery cabinet, the unit is rated at 250 kW on both the grid and load connections. It can supply up to 125 kW of critical load, with a transfer time of no more than 20 ms.
Key Features:
- Optional backup accessory for the Sunwoda OASIS L261 All-in-One
- Automatic grid-to-backup transfer
- Switching time of 20 ms or less
- Supports up to 125 kW of critical loads
- 250 kW grid and load-side rating
- Integrated bypass and protection switches
- 400 V rated voltage
- IP55 outdoor enclosure
- Suitable for backup-power and microgrid systems
Further technical and installation information is available in the Sunwoda OASIS L261 All-in-One User Manual.
| High / Low Voltage Battery | High Voltage |
| Battery / System Model | Sunwoda Oasis |
| Brand | Sunwoda |
| Protection Rating (IP) | Suitable for Outdoors |
| Battery End User | Commercial/Industrial |
| Battery IP Rating | IP55 |
| Dimensions (W x H x D) mm | 1030 x 1748 x 238 |
| Product Weight (Kg) | 150 |
Sunwoda OASIS L261 All-in-One Datasheet - 16 01 2026.pdf
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Sunwoda OASIS L261 All-in-One User Manual- 29 04 2026.pdf
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Sunwoda Sustainability ESG Report 2024 - 21 04 2025c.pdf
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Sunwoda Energy Brochure - 19 01 2026.pdf
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Sunwoda OASIS L261, OASIS L261 All-in-One WarrantyTerms - 17 12 2025.pdf
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