Vertiv Liebert EXM - Table 23 Inverter Output to Critical Load; Table 24 Bypass Input; Table 25 Bypass Maximum 10 Cycle Current

Vertiv™ | Liebert® EXM
™
50-250kVA, 480V, 60Hz User Manual | 77
Table 23 Inverter output to critical load
Parameter 50-250kVA
Rated AC Voltage 480V, 60Hz, 3-Phase, 3-Wire Plus Ground
Frequency 60
Overload Capacity
110% load, 60 minutes
125% load, 10 minutes
150% load, 60 seconds
Non-Linear Load
Capability
100%
Steady State Voltage
Stability
±1% (balanced load)
Voltage Regulation
±1% for balanced load
±2% for 100% unbalanced load
Phase Balance
120° ±1° for balanced load
120° ±1.5° for 100% unbalanced load
THDv
<2% (0-100% linear load)
<5% (0-100% non-linear load)
Sync Frequency Range Rated frequency ± 2Hz (selectable ± 0.5 to ± 3Hz)
Frequency Slew Rate 0.1-3Hz
Frequency Regulation Less than ±0.25%
Voltage Adjustment
Range
±5%
Fault Clearing Capability: Provides three times rated current for up to 200 ms to clear a UPS output fault
(50-250kVA)
Table 24 Bypass input
Parameter 50-250kVA
Rated AC Voltage 480V, 60Hz, 3-Phase, 3-Wire Plus Ground
Rated Current, A: 480V See Table 18.
Overload 150% load, long term
Upstream Protection, Bypass
Line
Thermomagnetic Circuit-Breaker, rated up to 125% of nominal
output current
Frequency, Hz 60
Transfer Time Between
Bypass
and Inverter, ms
Uninterrupted Transfer: <1ms
Interrupted Transfer: <20ms (40,60,80,100, can be selected)
Bypass Voltage Tolerance,
%VAC
+10%, -10% or -15%
Bypass Frequency Tolerance,
%
± 10% or ± 20%; default: ±10%
Synchronization Window
± 0.5, 1,2,3Hz 10% of rated frequency
Default Value: ±2Hz
Table 25 Bypass maximum 10 cycle current
Capacity,
kVA
10 cycle
Current, A
50-200 1800
250 2400