With its S POWER, Hitzinger presents a new standard of ground power generation for all aircrafts during the flight preparation phase. Optimized voltage quality and the highest level of supply security at maximum serviceability and simplified operation make S POWER Stack Technology combines active power factor correction with state of the art inverter technology.

Technical data


Fixed ground installation
Bridge mounting
Towable applications
Power classes

S POWER 45 to 180 kVA
Economic Efficiency

Efficiency ≥ 93%, independent of load profile

Technical data


Voltage: 3x400V~ ± 10%, 3x480V~ ± 10%, other voltage ranges available upon request
Frequency: 50/60Hz ± 5%
Power factor: 0,99 via PFC (Power Factor Correction)
Current distortion: < 5%
Inrush current: none, (< Inominal)

Power: 45 – 180kVA
Power factor: 1,0
Voltage: 3x115/200V
Frequency: 400Hz
Load power factor: 0,6 inductive to 0,95 capacitive
Static voltage regulation: < 0,5%
Crest factor: 1,414 ± 3%
Phase angle symmetry: 120° ± 1° for balanced load, 120° ± 2° for 30% unbalanced load
Total harmonic content: <2%
Overload Characteristic

125% for 10min.
150% for 1min.
200% for 30sec.
300% for 10sec.
400% for 1sec.

Ambient temperature: -30 °C to +52 °C
Relative humidity: 10 to 95 %
Noise level: <65 dB (A) @ 1 m
Standard Version

Standard cabinet

IP-protection IP55
Enclosure material: UV-resistant, powdercoated aluminium in RAL9006
Frontdoor: PMMA(Polymethylmethacrylat), UV-, oil- , acid-, scratch-resistant
Lockable door

Remote diagnosis

Ventilation regulator including temperature monitoring
Current operational condition
Exact error notification
Overload switch including temperature monitoring
Compatible with div. operating systems (Windows, Linux)

28 VDC unit, 600/2500 A in stack technology
remote control panel
Additional output conductor
Automatic cable drum
LED indication (RGB)
Bus interface (MODBUS/TCP, Profibus)
Neutral wire disruptuion monitoring
Neutral voltage supervision

ISO 6858 - Aircraft ground support electrical supplies
BS 2G 219 - General requirements for ground support equipment
SAE ARP 5015 - Ground Equipment 400HZ ground power performance requirements
DFS 400 - Specification for 400HZ aircraft power
MIL-STD-704 - Aircraft electrical power characteristics
EN2282 - Characteristics of aircraft electrical supplies
EN61439 - Low-Voltage switchgear and controlgear assemblies
EN61000-6-4 - Electromagnetic compatibility
EN12312-20 - Specific requirements for electrical ground power units
EN1915 -1/-2 - Aircraft ground support equipment, general safety requirements

Technical highlights

From the installation to the first start and permanent application, S POWER sets itself apart with its reliability and its simple operation. Optimal voltage quality at maximum service security and serviceability power. Guaranteed power for all types of aircraft.