Liebert UPS System user manual Parameters of Liebert iTrust UPS are given in -1

Chapter 1 Introduction

Parameters of Liebert iTrust UPS are given in Table1-1

	Capacity				20kVA		30kVA		40kVA	60kVA
	Model				UL33-0200L	UL33-0300L			UL33-0400L	UL33-0600L
	Input Voltage				380/400/415V(line-to-line voltage)
	AC Power Input				Three-phase three-wire
	Power Factor				>0.99
	Harmonic Current				<4%(Voltage distortion lower than 2% at rated load)
Rectifier	Voltage Range				+15%~-20%
input					Lowest operating voltage: -45%
					Input Current: <115%In for continuous operation; 115~140%In
	Input current limiting				for 5 minutes;		140~165%In	for 1minute; Current limiting at
					current over 165%In(In is the rated output current without
					deration)
	frequency range				50Hz ±10%
	Input Voltage				380/400/415V(line-to-line voltage)
Bypass input	Input Voltage Range				±10%
	AC Power Input				Three-phase four-wire
	Frequency range				50Hz±10%
	Voltage regulation				380/400/415V±1%
	(balanced load)				(±5% adjustable)
	Voltage transient response				±5%(0~100%linear load)
	Transient recovery time				<60ms
	Voltage distortion(linear load)				THD<2%(line-to-neutral voltage)(battery float					charge state,
					rated balance load)
	Voltage distortion(nonlinear				THD<5%(line-to-neutral voltage)(battery float charge state,
	load)				rated balance load)
Output
	Power Factor				0.8(lagged)
	Frequency Syn. Range				50Hz±2Hz
	Frequency regulation(Battery				±0.1%
	mode)
	Phase	Displacement	(Three-		120± 1°(balanced load or unbalanced load)
	Phase)
	Voltage	unbalance	rate	at	±2%(battery float charge state)
	100% unbalance load
	Frequency slew rate				<1Hz/s

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