Powerware 9155 Table 19. Technical Specifications

Specifications

Table 19. Technical Specifications

Technology	Online, double-conversion, split-phase topology with Static Bypass switch and
	optional 3-position Maintenance Bypass switch.
	Frequency independent operation.
Input Voltage Range	75–144 Vac per phase
Input Isolation	208V or 240V ±20%
Transformer Input
Voltage Range
Input Power Factor	>0.99 at full load nominal line conditions
Input Rated Voltage	100/200, 110/220, or 120/240 Vac with 180° phase displacement
	120/208 or 127/220 Vac with 120° phase displacement
Input Frequency Range	45–65 Hz
Input Rated Frequency	50/60-Hz selectable, auto-configuring
Output Voltage	±1% static, Phase to Neutral
Regulation	±2% static, Phase to Phase
	±5% dynamic at 100% resistive load change
	Response time <1 ms
Output Voltage	<2% THD linear load
Distortion	<5% THD non-linear load
Output Frequency	50/60-Hz selectable or auto-configuring
Output Frequency	Synchronization to line
Regulation
Output Frequency	Frequency/phase-converter operation with derated output load capacity to 80%;
Conversion	Frequency Conversion mode can be configured through the front panel or
	through XCP commands.
	Bypass is not available in Frequency Conversion mode.
Output Overload	101–110% for 10 minutes
	111–125% for 60 seconds
	126–149% for 5 seconds
	>150% for 300 milliseconds

Powerware® 9155 UPS (8–15 kVA) User’s Guide S 164201553 Rev D www.powerware.com 87