Liebert PB Series - Specification of Ups

24
Detailed Technical Specification of Powerbank UPS
Parameter Unit of
Measurement
(UOM)
Specification of
Powerbank
3kVA 5kVA 6kVA
Input Voltage
Volts 220, 1 Phase
Permissible input voltage variation
% ± 25%
Input frequency
Hz 50
Permissible input frequency variation
% ± 10%
Power walk-in
Seconds 17
No. of cells
Nos. 16 Blocks of 12V
Nominal DC bus voltage
Maintenance-free
Vdc 192
Float Charge Voltage
Vdc 220
End of Discharge Voltage
Vdc 170
Ripple voltage on DC
(with battery connected)
% <=1% RMS
Voltage
Volts 220 V, 1 Phase
Frequency
Hz 50
Power rating at 0.7 power factor
KVA 3kVA 5kVA 6kVA
Power rating at unity power factor
KW 2.1 3.5 4.2
Overload at 0.7 power factor
% 50% for 5 seconds
Maximum non-linear load permissible
% 100% with 3:1 Crest
Factor
Voltage stability : steady state
--- ± 1%
Voltage stability :
Transient state
Reset time to within ± 1%
---
milliseconds
± 8%
20
Slew rate
Hz / Seconds 1 Hz/Seconds