62 NS3000 UPS 60KVA~120KVA User Manual
7.4.4 Electrical Characteristics (Bypass Mains Input)
Table 7.8 Bypass Mains Input
Item
Unit
Value
Rated AC
voltage
Vac
380/400/415
(three-phase four-wire and sharing neutral with the
bypass)
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
Overall 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
Summary of Contents for NS3000 Series
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