Liebert Hipulse E - 5.7 UPS Electrical Characteristics (Bypass Input Mains)

Chapter 5 – ‘Specification’ Liebert Hipulse E Installation Manual
Single or '1+N' UPS System
Page 5-6 (07/04)
5.7 UPS Electrical Characteristics (Bypass Input Mains)
BYPASS INPUT
UNITS
Rated power kVA 300 400
Rated mains
voltage

Vac 380 - 400 - 415 V
Supply Three phase with neutral
470 627
446 595
Rated Current:
380Vac
400Vac
415Vac
A
430 574
(*) load assumed @ P.F. = 0.8
Bypass voltage
tolerance

%
± 10
Delay time to
recognise bypass
voltage returned to
window
sec 10
Inverter output
voltage window
% ± 10
Frequency 
Hz 50 \ 60
Input frequency
tolerance

% ± 2
Maximum frequency
slew rate
Hz/sec 0.1
Current rating of
neutral cable

630 (1)
945 (2)
Protection, bypass line
To avoid series fuses, the bypass line should be protected using an external device
in the input distribution system. This device should be sized to discriminate with
the load protection.
Transient overload
ms
I/In
10
14.3
20
12.6
50
11.0
100
10.0
200
9.0
500
8.0
1000
7.1
2000
6.6
5000
5.7
Note:
= Factory set 400V  380 or 415 set changing taps on auxiliary supply transformer and with software setting.
= Other values 0 –15% with software setting.
= Factory set at 50Hz; 60 Hz with software setting.
= Other values 1 – 9 % with software setting.
= (1) refers to the sizing of the UPS power isolators (cut-off neutral).
(2) optional kit to uprate the neutral cut-off current rating where local regulations permit.