Defender Series



DT10 DT15 DT20 DT30 DT40 DT60 DT80 DT100 DT120 DT160 DT200
Rated Power (kVA) 10 15 20 30 40 60 80 100 120 160 200
Rated Voltage (V) 400 Vac three-phase
Voltage Range


Frequency Range (Hz)
Power Factor 0.8 (0.9 in CLEAN version)
Input Current Form THDi <5% Clean Version
Product Knowledge
  • Wide input voltage range
  • Small Footprint
  • LCD Display with high diagnostic; event log with 128 messages, states, measurements and alarms-available from the built in LCD in several languages
  • High Efficiency
  • High reliability; IGBT technology, full microprocessor control with no-break static and manual bypasses, extremely high short-circuit current 4ln three phase version) to ensure compatibility with the most difficult transformer applications (lighting, drives and industrial processes) and an isolation transformer on the inverter output
  • Internal Static and Manual Maintenance Bypass Switch
  • Galvanic Isolation during normal Operation
  • Intelligent automatic battery test (every 24 hours)
  • Compatible with all platforms
  • Onboard Self Diagnostic system
  • Remote Monitoring and Auto – shutdown software
  • SNMP adapter ready (option)
  • Maximum reliability and power availability-connect up to 6 units in parallel or N+1 redundancy, even of different power ratings (optional)
  • Low input total harmonic distortion (<5%) Optional clean version
  • Low loss high efficiency up to 98% in ECO-Mode for all DEFENDER models
  • Isolation transformer on the inverter
  • Extremely high shirt-circuit current (2.8ln)
  • BACK FEED protection against energy return to the mains
  • Maximum care of the batteries temperature-dependent recharge
  • Protection against deep battery discharge
  • Ability to handle 100% phase imbalance on output while maintaining perfect balance on the input phases