
INGECON SUN STORAGE 350TL — 1500 V string PCS for BESS
Country: Spain · Model: INGECON SUN STORAGE 350TL
A string battery power conversion system (PCS) of 260–279 kVA for grid-tied storage systems with batteries of up to 1500 V. It is used in BESS where power is built up from many identical blocks instead of one central inverter.
- Power
- 260–279 kVA (at grid 600–645 V)
- Battery voltage
- up to 1500 V
- Max. DC current
- 280 A
- AC current
- 250 A at 40 °C
Technical specifications
| Power | 260–279 kVA (at grid 600–645 V) |
|---|---|
| Battery voltage | up to 1500 V |
| Max. DC current | 280 A |
| AC current | 250 A at 40 °C |
| Ingress protection | IP66 |
| Communication | Single Pair Ethernet (up to 1000 m), Wi-Fi |
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
The converter is three-phase and bidirectional and delivers power to a 600–645 V grid, with the upper value of 279 kVA reached at a higher grid voltage. The AC current is 250 A at 40 °C, and the maximum DC current is 280 A. The blocks are paralleled on the AC side, so new batteries with their own PCS are added to the station later without reworking the part already installed. The IP66 enclosure withstands dust and powerful water jets, so the PCS is mounted right next to the battery containers. For communication there are Single Pair Ethernet over a distance of up to 1000 m and Wi-Fi, which simplifies laying control lines across a large site.
How to choose
The number of PCS units is determined by dividing the station power by the 260–279 kVA of one block, taking into account the actual grid voltage. The string design gives redundancy, because the failure of one block removes only its share of power. If the battery is connected to the DC bus of the solar field rather than to the grid, a separate DC/DC converter of the same series is needed.
Request a price and lead time
INGECON SUN STORAGE 350TL — 1500 V string PCS for BESS. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What is the power of the INGECON SUN STORAGE 350TL PCS?
From 260 to 279 kVA depending on the grid voltage in the range of 600–645 V.
What battery voltage does the 350TL PCS support?
Up to 1500 V; the converter is designed for BESS of the 1500 V class.
Can several 350TL PCS units be paralleled?
Yes, the blocks are connected in parallel on the AC side, and the station can be expanded with new batteries.
Over what distance does Single Pair Ethernet communication work in the 350TL?
Up to 1000 m over a single pair of conductors, and Wi-Fi is also available.
What is the enclosure protection rating of the 350TL?
IP66, that is, protection against dust and powerful water jets in outdoor installation.
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REQUEST
Need a price, lead time or replacement?
Send us a request and we will confirm the configuration, lead time and delivery terms. We reply by email.



