Powerware 9170+ - Manual (Page 81)

77 Powerware ® 9170 User's Guide S LTM-1344 B Uncontrolled Copy
C H A P T E R 10
S
PECIFICATIONS
This section provides the following specifications for the Powerware
9170 models:
S Electrical input and output
S Isolation
S Model specifications
S Environmental and safety
S Battery
S Weights and dimensions
Table 11. Electrical Input and Output
Nominal Input Voltage 208ć240 Vac or 100/200, 110/220, 120/208, 120/240, 127/220 Vac
Input Voltage Range 176ć276 Vac*
Nominal Output Voltage 208ć240 Vac or 100/200, 110/220, 120/208, 120/240, 127/220 Vac
Nominal Frequency Online: 50/60 Hz auto-sensing; output frequency tracks input frequency to
selectable limit (±0.1 to ±5.0 Hz; ±3.0 Hz default); switches to battery
operation outside this tolerance
On battery: 50 Hz or 60 Hz ±0.1 Hz.
Regulation ±3% load regulation (under any line, load, or battery condition)
Voltage Waveform Sine wave; <3% THD at rated linear loads, computer-grade power
Overload Capability 150% for 10 seconds; 300% for 12 cycles
DC Input Protection DC fuse and battery charger overvoltage limit network
Output Protection Microprocessor-sensed overvoltage and overcurrent, with fuse backup
Efficiency in Double-Conversion mode >88%
Efficiency in Double-Conversion mode
(with Isolated Output)
>84%
Efficiency in Bypass mode (with
Isolated Output)
>96%
*176ć250 Vac for universal power modules producing 208 Vac nominal output voltage.