Studer Innotec XTH 8000-48


Connection possibilities

Inverter, charger and transfer relay

The Xtender basically works as an inverter and as a charger, combined with a transfer relay.

2 or 3 units in parallel on 1 phase

Increase of the power on one phase by setting 2 or 3 Xtenders in parallel.

1 phase In and 3-phase Out

Three-phase power supply from a single phase source.

3-phase In and 3-phase Out

Three-phase source for a three-phase power supply.

3-phase + with one reinforced phase

Three-phase power supply with increase of the power on one phase by setting 2 or 3 Xtenders in parallel on this phase.

3 Xtenders in parallel on 3 phases

Three-phase power supply with 3 Xtenders on each phase; for power up to 72kW.


Inverter / chargers
Xtender series
Inverter power from 0.5kVA to 72kVA, single or three-phase. For 12, 24 or 48V battery banks.

With its seemingly limitless programmable functions, the XTH offers unequalled flexibility compared to other products on the market.

The inverter/charger has a continuous power rating of 7kVA up to an ambient temperature of 40°C. In addition, it has a 30 minute power rating of 8kVA, and can deliver 21kVA for up to 5 seconds! Thanks to this very high surge power capacity, it can supply without worries loads with a high start-up current.

The battery charge current can be adjusted between 0 and 120Adc. The factory default settings include a battery charge curve best suited for lead acid batteries with gelled electrolyte (GEL). This battery charge curve can be easily adapted to other types of batteries including OPzSNiFeLithium and Redox Flow, to name but a few.

The transfer system is active when an AC power source (generator, public gridshore power…) is available at the AC input of the Xtender. The transition between inverter and transfer mode is achieved without any power cut and allows up to 50Aac of current to pass through to the loadsSimilarly, the transition between transfer and inverter mode is extremely fast (max 15ms), which makes the Xtender suitable for many UPS (uninterruptable power supply) applications.


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