The FR-400/28 Series Combined Units are designed to power on-board systems of aircraft and helicopters during ground handling at airports, shop floors, and training centers.
• AC 400 Hz up to 360 kVA
• DC 28.5 V: continuous up to 1600 A
(peak up to 2500 A)
All channels can be adjusted and operated simultaneously.
Voltage drop compensation is individually set for each output.
Modes
• Dual-channel: 28/48/56 V
• Single-channel: 28.5 VDC Modes
Totally customizable
Trolley
Color
Cable length
Technical parameters
GENERAL PARAMETERS
Climatic execution -55°C to +55°C
Relative humidity up to 100 %
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 ± 5 %
Inrush current soft start
Input plug, A up to 400
OUTPUT PARAMETERS
Number of outputs up to 5
Power factor >0.8 at 100 % load
Coefficient of efficiency, % 97
Line drop compensation automatic
Error log storage up to 10 000 events
Interlock ON/OFF/civil/military
AC OUTPUT PARAMETERS
Total output power, kVA up to 360
Rated output voltage, VAC 115/200 ± 2
Range of load changes, % 0-100
Range of voltage regulation, V 104-120
Range of frequency regulation, Hz 360-420
Total harmonic distortion (THD), not worse, % 2
Output frequency, Hz 400 ± 0.01
Coefficient of amplitude modulation of the output voltage, % not more than 1.5
Overload 600 sec — 125 %
60 sec — 150 %
30 sec — 200 %
10 sec — 300 %
1 sec — 400 %
DC OUTPUT PARAMETERS
Current (continuous)
of each output, A up to 1600
Rated output voltage, VDC 28.5
Output voltage stabilization
accuracy, VDC 0.5
Range of voltage regulation, V up to 33
Output voltage ripple factor, % maximum 2
Overload rating, A up to 2500
Features
Independent AC and DC outputs
Possibility of simultaneous work of all channels
Ventilation cooling system
Top-mounted
Low noise fans
Less time for maintenance
Special outputs
400 Hz 36 V output
Ability to work on a 28/48/56 V mode
50/60 Hz sockets