UPS 450 - 550 kVA (2x225 - 2x275 kVA)
User’s and Installation Guide
1027574
Revision B
74
10 Product specifications
10.1 Model numbers
The UPS systems are housed in free-standing cabinets with safety shields behind the doors. The
UPS systems are available in 50/60 Hz with various output power ratings.
Models
Power Rating
Frequency
Powerware 9395-550/450
450 kVA
50/60 Hz
Powerware 9395-550/550
550 kVA
50/60 Hz
The following sections detail the input, output, environmental, and battery specifications for the
UPS.
10.2 Single module specifications
10.2.1 UPS system input
Operating Input Voltage
(N –15%)
400 Vac for operation from 340 Vac to 460 Vac
Operating Input Frequency Range
±5 Hz
Operating Input Current
See Table 3-4 on page 3-6.
Reduced for Generator Adjustable
Input Current Harmonic Content
5% THD at full load
Power Factor
Minimum 0.98
Line Surges
6 kV OC, 3 kA SC per ANSI 62.41 and IEC 801-4
Battery Voltage
480 Vdc
10.2.2 UPS system output
UPS Output Capacity
100% rated current
Output Voltage Regulation
±1% (10% to 100% load)
Output Voltage Adjustment (N/–3%)
380 Vac nominal, adjustable from 368.6 Vac to 391.4 Vac
400 Vac nominal, adjustable from 388 Vac to 412 Vac
415 Vac nominal, adjustable from 402.5 Vac to 427.5 Vac
Output Voltage Harmonic Content
1.5% max THD (linear load)
5% max THD (nonlinear load)
Output Current
See Table 3-4 on page 3-6.
Output Voltage Balance
3% for 100% maximum load imbalance (linear load)
Output Voltage Phase Displacement
3° for 100% maximum load imbalance (linear load)
Output Transients
±5% for 100% load step or removal
Frequency Regulation
±0.1 Hz free running
Synchronous to Bypass
Bypass within voltage limits of +5%, –8% of output setting;
bypass within ±3 Hz
Frequency Slew Rate
1 Hz per second maximum
Overload Capability
110% for 10 minutes
125% for 30 seconds
150% for 10 seconds
Max battery charging current
120 A
