Liebert 610 manual Electrical Specifications

Specifications

5.5Electrical Specifications

RECTIFIER INPUT

	Standard voltages for 100 - 450kVA units: 208, 480 and 600VAC
Input Voltage	Standard voltages for 500 - 1000kVA units: 480 and 600VAC
	Other voltages available on request. 3-phase, 3-wire plus ground.
Voltage Range	+10%, -15% (no battery discharge at -20%)
Frequency Range	57 Hz to 63 Hz
	Less than 3 times normal full load input current for UPS models without optional
Subcycle Magnetization Inrush	input isolation transformer. Typically less than 8 times normal full load input current
	for models with optional input isolation transformer and optional input filter.
Input Current Walk-In	From 20% to 100% in 15-20 seconds
Current Limit	Maximum of 125% normal full load input current
	Less than 30% reflected THD typical at normal full load input current. Less than 7%
	reflected THD typical at normal full load input current with optional input filter.
Current Distortion	For models with optional 12-pulse rectifier, less than 9% reflected THD typical at
	normal full load input current. Less than 4% reflected THD typical with optional input
	filter.
Power Factor	0.85 minimum lagging at full load
	0.92 minimum lagging at full load with optional input filter
BYPASS INPUT
	Standard voltages - 208/120 VAC, 480/277 VAC, 600/346 VAC. 3-phase, 3-wire
Input Voltage	plus ground or 3-phase, 4-wire plus ground. Other optional voltages available.
	Optional voltages - 208 VAC, 480 VAC, 600 VAC. 3-phase, 3-wire plus ground
	(ungrounded or corner grounded delta). Other optional voltages available.
Voltage Range	±5% for manually initiated bypass transfer
	±10% for automatically initiated uninterrupted transfer
Frequency Range	59.5 Hz to 60.5 Hz
Voltage Transient	±4% for manually initiated bypass transfer
CRITICAL LOAD OUTPUT
	Standard voltages - 208/120 VAC, 480/277 VAC and 600/347 VAC. 3-phase, 3-wire
Output Voltage	plus ground or 3-phase, 4-wire plus ground. Other optional voltages available.
	Optional voltages - 208 VAC, 480 VAC, 600 VAC. 3-phase, 3-wire plus ground
	(ungrounded or corner grounded delta). Other optional voltages available.
Voltage Regulation	±0.5% for balanced load
	±2% for unbalanced load
Voltage Adjustment Range	±5% manually (front panel knob)
Line Drop Compensation Range	Up to +5% automatic load dependent
Frequency	59.5 Hz to 60.5 Hz
Slew Rate	0.01 to 1 Hz per second adjustable
Phase Balancing	120° ±1° for balanced loads
	120° ±3° for 50% unbalanced loads
Voltage Imbalance

20% Unbalanced Load

50% Unbalanced Load

±1% from the arithmetic average of the 3 phases ±2% from the arithmetic average of the 3 phases

Voltage Transient

20% Load Step	±4% RMS
50% Load Step	±4% RMS for 100-750kVA units; ±5% RMS for 1000kVA units
100% Load Step	±5% RMS for 100-750kVA units; ±8% RMS for 1000kVA units
Loss or Return of AC Input Power	±1% RMS
Manual Transfer of 100% Load	±4% RMS
Voltage Transient Recovery Time	To within 1% of steady state output voltage within 50 milliseconds
Voltage Harmonic Content	Maximum 5% RMS total, for any combination of linear and nonlinear 3-phase loads
	Maximum 3% RMS single, for linear loads
	104% of full load rating continuously
Overload at Full Output Voltage	125% of full load rating for 10 minutes
	150% of full load rating for 30 seconds
	(with ±2% voltage regulation)
	Up to 300% of normal full load current subcycle; up to 500% of normal full load
Fault Clearing	current for up to 40 milliseconds with bypass available; up to 1000% of normal full
	load current for up to 16 milliseconds with bypass available.

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