The F-400 Series Frequency Converters are designed for the ground servicing of all aircraft types, laboratory equipment and similar applications, providing:
- 400 Hz frequency
- Rated capacity up to 360 kVA
These converters enable fast, reliable and safe engine starts with uninterrupted power supply.
ProtocolSCADA
MODBUS
TCP / IP
RS485
AdjustmentsAny power rate according to client needs
Up to 5 output channels
Simultaneous work of output channels
GENERAL PARAMETERSClimatic execution -55°C to +55°C
Relative humidity up to 100 %
Noise level: Execution: fixed, mobile, PBB
Protection class: IP55
Country of origin: Estonia, EU
INPUT PARAMETERS Input voltage, V 3x220/3x440/3x460
3x480 ± 10 %, N, PE
Input frequency, Hz 50/60
Inrush current soft start
OUTPUT PARAMETERSNumber of outputs up to 5
Rated output power, kVA up to 360
Rated output voltage, VAC as per client
requirement(s)
Range of load changes, % 0-100
Total harmonic distortion (THD)
not worse, % 2
Amplitude modulation factor of the
output voltage, % ≤1.5
Output frequency, Hz 400 ± 0.01
Coefficient of efficiency, % 97
Line drop compensation automatic
Range of voltage regulation, V ±10 %
Range of frequency regulation, Hz 360-420
Error log storage up to 10 000 events
Output cable length up to 200 m
Interlock ON/OF/civil/military
Overload 600 sec — 125 %
60 sec — 150 %
30 sec — 200 %
10 sec — 300 %
1 sec — 400 %
Features 115/200V Voltage- Absolute voltage quality — ISO 6858
- Max. phase unbalance is less than 2 V
- Automatic voltage drop compensation
- on the cable (up to 200 m)
- Phase angle 120º ± 2,5 %
400Hz Frequency- Highly stable frequency: 400 Hz ± 0,01
- Adjustable: 360 Hz to 450 Hz
10 min Modularity- Modular design for repairs in less than 10 minutes