Vertiv Liebert APM2 User Manual

12.5 Electrical Characteristics (Battery Bus)
Item Unit
Rated Power (kVA)
120
Maximum charging current A 35*4
Quantity of lead-acid cells (nominal) Block
30 to 44 (12 VDC), standard built-in 32-block
120 kVA: (32~44 full load, 30 derated to 80%)
Float voltage V/cell (VRLA)
2.25 (selectable from 2.20 V/cell to 2.30 V/cell)
Constant current and constant voltage charge mode
Temperature compensation mV/°C/cl -3.0 (selectable from 0 to -5.0 around 25 °C or 30 °C, or inhibit)
Ripple current % C
10
≤ 5
Boost voltage V/cell (VRLA)
2.35 (selectable from 2.30 to 2.35)
Constant current and constant voltage charge mode
Boost control
Float-boost current trigger 0.050C
10
(selectable from 0.001 to 0.070)
Boost-float current trigger 0.010C
10
(selectable from 0.001 to 0.025)
8 hr safety time timeout (selectable from 8 hr to 30 hr)
Boost mode inhibit also selectable
EOD voltage V/cell (VRLA) 1.67
Table 12.5 Battery
12.6 Electrical Characteristics (Inverter Output)
Item Unit
Rated Power (kVA)
120
Rated AC voltage
1
VAC
380/400/415 (three-phase four-wire, with neutral reference to
the bypass neutral)
Frequency
2
Hz 50/60
Power factor 1
Overload %
<105%, long time; 110%,~125%, ≤10 min; 125%～150, ≤1 min; >150,
≤200 ms
Maximum short circuit current of
inverter
4
A 240%, 200 ms
Non-linear load capability kVA 100
Steady state voltage stability % ±1
Transient voltage response % ±5
Total voltage harmonic distortion % < 2 (linear load), < 4 (non-linear load
3
)
Synchronization window Hz Upper Limit: 0.5, 1 , 2 , 3 , (+10%); Default: +10%
Table 12.6 Inverter Output (to Critical Load)
12 Specifications Proprietary and Confidential ©2023 Vertiv Group Corp. 173
Vertiv™ Liebert® APM2 30 to 120 kVA Modular UPS User Manual

Vertiv Liebert APM2 Specifications

General

Brand	Vertiv
Model	Liebert APM2
Category	UPS
Language	English