Power supplies
POWER SUPPLIES
Non-regenerative power supplies
2.
37
DDS
HARDWARE
Ref.1310
PS-25B4 module
Technical data
T. H2 /4 Technical characteristics.
PS-25B4
Power supply (Vmains)
Three-phase 50/60 Hz, with a voltage range
between 400-10% and 460+10% V AC
Mains power consumption (400 V AC) 36 Arms
Maximum connection cable section 10 mm²
Power bus voltage Vbus rated 565 V DC / 650 V DC
Rated (peak) output current
1
45 A (135 A, 1 s)
Rated (peak) output power 25 kW (75 kW, 1 s)
Internal Ballast resistance (power)
1
16.5 (500 W)
Energy pulse to be dissipated 6 kW (0.2 s)
Ballast circuit on / off 768 V DC / 760 V DC
Minimum external Ballast resistance 16.5
Filter capacity 705 µF, 900 V DC
Energy stored in the capacitors 0.5 C·V²
Maximum “SYSTEM OK” contact voltage 125 V AC, 150 V DC
Maximum “SYSTEM OK” contact voltage 1 A
Width 77 mm (3.03 in)
Approx. mass
6.0 kg (13.2 lb)
Power dissipated at maximum load 180 W
1
See derating curves in case of high temperatures.
Connection of the auxiliary power supply
Output voltage, maximum current 24 V DC (5 %), 10 A
Input voltage
Between 400 (-10%) and 460 (+10%) V AC
50/60 Hz
Mains consumption 0.72 A (400 V AC); 0.63 A (460 V AC)
Maximum Inrush current 23.9 A (460 V AC)
Bus consumption
0.485 A (565 V DC); 0.44 A (650 V DC)
Maximum voltage at the bus 790 V DC
T. H2 /5 Ambient conditions and other characteristics.
PS-25B4
Ambient temperature
1
5°C / 45°C (41°F / 113°F)
Storage temperature -20°C / 60°C (-4°F / 140°F)
Maximum humidity < 90% ( non condensing at 45°C / 113°F )
Maximum altitude without loss of features 1000 m (3281 ft) above sea level
Operating vibration 0.5 G
Shipping vibration 2 G
Sealing IP 20
Protections
Over-voltage, heat-sink temperature, hardware
error, Ballast overload.
1
See derating curves in case of high temperatures.
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