The used / refurbished Hobart 45 kVA is a Powermaster EV aircraft ground power unit.
Features
- Compact and Lightweight
- Low noise levels < 65 dbA at 1 m 12-pulse rectification at input as standard with input current distortion < 10%
- Harmonic elimination at output with total harmonic out < 2%
- User friendly controls for simple daily operation
- All user information available via digital display
- Modular design throughout for easy access to all parts
- ETL (UL1012) Certification, CSA
- CE Compliant
- RS232 and RS422/RS485
- Communication Port
- JBUS or Siemens Protocol
- Simplified fault reporting troubleshooting and maintenance
Input Voltage
Amperage @ Voltage
- 57 @ 400 VAC +/- 15% 50-60 +/-5%
- 49 @ 460 VAC +/-15%
- 47 @ 480 VAC +/-15%
- Configuration: 3 wire with ground service
- Input Power Factor: 0.96
- Overall Efficiency: 0.93
- Load Power Factor: 0.8 @ 100%
Output Overloads
- 100-120% - 10 minutes
- 120-150% - 30 seconds
- 150-170% - 5 seconds
- 170-200% - 1 second
Output Voltage
- Voltage Regulation: < 0.5% for balanced and 30% unbalanced loads
- THD (total harmonic distortion): < 2% at linear and non linear loads
- Phase Displacement: 120 +/- 1 degree for balanced load, 120 +/- 2 degree for 30% unbalanced load
- Transient Performance: Meets MIL-STD-704F
- Crest Factor: 1.414 +/- 3%
- Voltage Modulation: < 1%
Maintenance
- No preventative maintenance required (other than filters)
- MTTR: Maximum 20 minutes
- MTBF: 100,000 hours
Enclosure
- Standard protection: IP55
- Ventilation: Filter forced air
- External circuit breaker handle with lock-out capability
- Emergency Stop Button
Control / Indicators
- 400 Hz. On/Off: each output
- Mains / Lamps Test
- Common Error
- Digital Display (default mode)
- Year / Month / Date
- Hour / Minute
- Output Voltage
- Output Current
- Output Frequency
- Alternate Display Modes (User Initiated)
Weights
- Bridge: 1,102 lbs (500 kg)
- Fixed: 1,102 lbs (500 kg)
- Trailer: 1,700 lbs. (771 kg)
Trailer Dimensions
- Length - 61 inches
- Width - 51 inches
- Height - 51 inches