DALTON UPS U31 PLUS SERIES

Dalton Ups U31 Plus Series Online Transformer based UPS

Three – Single phase Input / Single Phase output  10kVA – 40kVA

Latest double conversion technology. 

The Dalton UPS U31 Series can be installed with internal batteries as standard. 

This removes the need for external battery cabinets on standard run times, enabling you to maximize valuable floor space.

Additional flexibility is achieved for the U31 Series through its sophisticated design. 

The selectable input between single phase and three phases allow users to retain electrical infrastructure and save costs where applicable

– Online double conversion topology
– High efficiency up to 96%
– Intelligent monitoring software
– EPO connection
– Wide input voltage window

Specifications

Model U31PLUS10000
10KVA
U31PLUS15000
15KVA
U31PLUS20000
20KVA
U31PLUS30000
30KVA
U31PLUS40000
40KVA
Rating Power
 10KVA / 8000W
 15KVA /12000W 20KVA /16000W 30KVA / 24000W 40KVA / 32000W
Input Input system Three Phase - Single Phase 
Voltage range                  230-495VAC    /     176-276VAC (100% load), 120-276VAC (50% load)
Power factor ≥0.99
Frequency 50/60Hz
Output Output system Single Phase
Rated voltage 200/208/220/230VAC
Power factor 0.8
Voltage precision ±1%
Voltage distortion
< 3% THDV on non-linear load
                 Output                    wave form                                                                                                                  Pure  Sinewave
Output frequency 50/60Hz (±10%)
Inverter overload
capacity
(Utility power,25©)
100-105%: no alarm
105-125% : load transfers to Bypass mode after 10 minutes
125-150% : load transfers to Bypass mode after 30s
Transfer time 0ms
Crest factor 3:1
DISPLAY/ INTERFACE LCD Display LCD Display indicates frequency, voltage, load, battery voltage, etc. LED indicates running status
         LED Status          Indicator  Utility power; Battery discharge; Inverter On
External             Communication USB/RS485 and  (RS232 and SNMP adapter are optional)
PARALLEL 4 Units
Communication
software
Windows XP/ 2003 and later version; Linux; Unix
Optional EX SNMP / dry contact relays / Modbus
Battery Batteries voltage 360VDC 360VDC 384VDC 384VDC
Battery Type Sealed maintenance-free lead –acid battery
Backup Time
(25℃)
Full load ≥ 5min (Standard)
Battery quantity 30 30 64 64
General Temperature 0 ~ 40℃
Humidity <95% (non-condensing)
Altitude <1000m
Efficiency >90% (Line mode), >92% (Battery mode), >96% (Eco mode)
FUNCTIONS  Expandable Battery Modules, LCD
Noise (dB) <50dB
Protection Low battery, overload, over temperature, short circuit, output over voltage, output low voltage
L*W*H (mm) 500 x 300 x 650 500 x 300 x 650 590 x350 700 630 x350 x810
Weight (kg) 76 80 98 218 260