Hybrid devices

Steca Xtender XT4000-48/230V/3500VA

Product features

  • High efficiency
  • Adjustable integrated battery charger
  • Excellent overload capabilities
  • Parallel connectable
  • Optimal battery protection
  • Automatic load detection
  • True sine wave voltage
  • Reliable and noiseless with any kind of load
  • Support of sources of alternating current (Smart Boost)
  • Automatic support for peak loads (Power Shaving)
  • Multistage programmable battery charger with PFC
  • Standby load detection adjustable over a wide range, starting from a low value
  • Ultra-fast transfer relay
  • Control by digital signal processor (DSP)
  • Can be used as a back-up system or uninterruptible power supply (UPS)
  • Adjustable power sharing
  • Best reliability
  • Multifunction contact

Electronic protection functions

  • Deep discharge protection
  • Reverse polarity protection by internal fuse
  • Short circuit protection
  • Overtemperature and overload protection
  • Battery overvoltage shutdown
  • Acoustic alarm at deep discharge or overheating


  • 5 LEDs show operating states
  • for operation, fault messages


  • Adjustable load detection
  • Main switch


  • Compliant with European Standards (CE)
  • RoHS compliant


 Steca Xtender XT4000-48/230V/3500VA
Nominal battery voltage 48 V
Input voltage range 38 - 68V
Continuous power @ 25°C 3500VA
Maximum effciency 96%
Consumption OFF/Stand-by/ON 1.8W/2.1W/14W
Output voltage Pure sine wave 230Vac(+/-2%)
Output frequency 50Hz
Maximum charging current 50A
Input current max. / Output currnet max. 50A / 56A
Weight 22.9Kg
Dimensions (HxWxL) 133x322x466