Product Specification
74 Modular UPS 25KVA~900KVA User Manual
7.4.4 Electrical Characteristics (Bypass Mains Input)
Table 7.8 Bypass Mains Input
Item
Unit
150/25
180/30
250/25
300/30
500/25
600/30
Rated AC voltage
Vac
380/400/415
(three-phase four-wire)
Rated AC Current
A
228
273
379
454
758
909
Overload
％
110% Long term operation
110%~125% for 5min
125%~150% for 1min
150%~400% for 1s
>400% ,less than 200ms
Current rating of
neutral cable
A 1.7×In
Rated frequency
Hz
50/60
Switch time
(between bypass
and inverter)
ms
Synchronized transfer: 0ms
Bypass voltage
range
％
\
Settable, default -20%~+15%
Up limited: +10%, +15%, +20%, +25%
Down limited: -10%, -15%, -20%, -30%, -40%
Bypass frequency
range
％
Hz Settable,
±
1Hz,
±
3Hz,
±
5Hz
Synchronized
Range
Hz
Settable ±0.5Hz~±5Hz, default ±3Hz
7.5 Efficiency
Table 7.9 Efficiency
System Efficiency
Normal mode(dual conversion)
％
>95
Battery discharging efficiency (battery at nominal voltage 480Vdc and full-rated linear load)
battery mode
％
>95
7.6 Display and Interface
Table 7.10 Display and Interface
Display
LED + LCD +Color touch screen
Interface
Standard:RS232, RS485, USB, Dry Contact
Option: SNMP,AS/400
