OPTI-UPS MD120L - Manual (Page 105)

48 Chapter 5 Maintenance
48
Module type Unit MU10 MU15 MU20
Mechanical Dimension,
W×D×H
mm 440Ч590Ч134
Weight kg 21 22 22
Color N/A Black
7.4 Electrical Characteristics (Input Rectifier)
Table 7-4 Rectifier AC input (mains)
Items Unit Parameter
Rated AC Input
Voltage
Vac
380/400/415(three-phase and sharing neutral with the
bypass input)
Input voltage range Vac -20%～+25%, -40 % power derating
Frequency 2 Hz 50/60(range: 40Hz～70Hz)
Power factor kW/kVA, full load 0.99
THD THDI％ 3
7.5 Electrical Characteristics (Intermediate DC Link)
Table 7-5 Battery
Items Unit Parameters
Battery bus
voltage
Vdc Nominal: ±240V, one-side range: 198V～288V
Quantity of
lead-acid cells
Nominal 40=[1 battery(12V) ] , 240=[1 battery(2V) ]
Float charge
voltage
V/cell(VRLA)
2.25V/cell(selectable from 2.2V/cell～2.35V/cell)
Constant current and constant voltage charge mode
Temperature
compensation
mV/℃/cl －3.0(selectable from : 0～－5.0, 25℃ or 30℃, or inhibit)
Ripple voltage ％ V float ≤1
Ripple current ％ C
10
≤5
Equalized
charge voltage
VRLA
2.4V/cell(selectable from : 2.30V/cell～2.45V/cell)
Constant current and constant voltage charge mode
Final
discharging
voltage
V/cell(VRLA)
1.65V/cell(selectable from : 1.60V/cell ～ 1.750V/cell) @0.6C
discharge current
1.75V/cell (selectable from : 1.65V/cell ～ 1.8V/cell) @0.15C
discharge current
(EOD voltage changes linearly within the set range according to
discharge current)
Battery Charge V/cell
2.4V/cell(selectable from : 2.3V/cell～2.45V/cell)
Constant current and constant voltage charge mode
Battery
Charging Power
Max Current
kW 10%* UPS capacity (selectable from : 0～20%* UPS capacity)