Specifications
63
5.0 SPECIFICATIONS
Table 11 Liebert NXL UPS specifications
Model Size 625kVA 1100kVA
Input Parameters
Input Voltage to Rectifier, VAC
480V 3-phase, 3-wire
575V 3-phase, 3-wire
600V 3-phase, 3-wire
Input Voltage to Bypass, VAC
480V 3-phase, 3-wire or 4-wire
575V 3-phase, 3-wire or 4-wire
600V 3-phase, 3-wire or 4-wire
Input Voltage Range, VAC +10% to -30%
Input Frequency, Hz 60
Permissible Input Frequency Range, Hz 55 to 65
Reflected Input THDi, Nominal Voltage, Full Load, % <5%
Power Walk-In, sec 1 to 30 (selectable) in 1 sec. Increment
Bypass Neutral Current up to 1.7 times full-phase current
Battery & DC Parameters
Battery Type VRLA (Valve Regulated Lead Acid) or FLA (Flooded Lead Acid)
Nominal Battery Bus, VDC 480V
Battery
Float Voltage, VDC 540V
Minimum End of Discharge Voltage, VDC 384V (for VRLA / Flooded Lead Acid)
DC Ripple Voltage in Float & Const V Ch. Mode, % <1 (RMS value) < 3,4% Vpp
Temperature Compensated Battery Charging
Optional (with temperature probe)
Output Parameters
Inverter Type IGBT-based Sine-Sine PWM Controlled
Output Power, kW 625 1100
Output Voltage, VAC
480V 3-ph, 4-wire
575V 3-ph, 4-wire
600V 3-ph, 4-wire
Output Voltage Regulation, % < 1% (3-phase RMS average)
Output Voltage Regulation (100% Unb. Load) < 2% (3-phase RMS average)
Output Frequency, Hz 60
Output Frequency Regulation, % ± 0.1
Output THDv Linear Load at Nominal Voltage, % <2%
Output THDv at Nominal Voltage
Including a 100kVA Non Linear Load per EN 62040-3,
%
2.5% (max)
Capacity to Handle High Crest Factor Load 3:1
Capacity to handle Step Load, % 0-100 or 100-0
Step Load Transient Recovery (linear loads), % Within 5% peak-to-peak in one line cycle.
Unbalance Loads Current Capacity 100% of nominal phase current
Capacity to Handle Leading PF Load
at 0.95 Lead Subject to Max. kW rating
at 0.9 Lead Subject to 12.5% kW derate or same Rating and 10°C Temp. Derate
Voltage Displacement, ° el 120° ±1° el (with 100% unbalanced load)
Compliance to FCC Class-A Standard
Overload Conditions, % FL
See Figures 51, 52 and 53
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