The 3-phase string inverters are available at power outputs of 8, 10, 12.5 and 15 kVA. The transformer-less design yields a max. efficiency rate of 98% and an EU efficiency rate exceeding 97% with a max. input of 1000V. Multiple MPP trackers optimize the operating point for a 250-to-800 V connected string.

- Transformer-less topology
- Max. efficiency of 98 %, EU efficiency > 97 %
- Max. DC voltage of 1000 V
- Up to three MPPT
- Compact design. Light weight only 35Kg
- Fault ride through
- Preset grid codes for 22 European countries. Simply select preferences during commissioning
- “Easy“ option with “master“ functionality and integrated web server for easy setup and communication
- VDE-AR-N 4105 compliant

Designed with functions to stabilize the grid with power level adjustment, controlled reactive power input and fault-ride-through function, the units include grid codes for the following countries:
- Austria | - Luxembourg |

The unique ALFA UPS “easy” option greatly simplifies installation and commissioning. The feature consists in an integrated web server for easy parameter setting and monitoring via a standard web browser on the connected PC. The PC communicates with only one string inverter to be selected and called the “master” which adjusts all settings for the entire installation. Automatically these settings are replicated to up to 99 further string inverters called “followers.”
- Datalogger backup in the display
- Programmable setpoint curve for reactive power
- Integrated web server for easy data settings and monitoring with standard web browser
- One "master" inverter can be used for settings and monitoring, to whom up to 99 "follower" inverters follow


- Integrated GSM modem card
- Grid management box (for “ easy” option only):
interface to radio ripple receiver for remote active power setting