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Online Low Frequency UPS
Model No.:
Single phase in/ Single phase out 6KVA~20KVA Online Low Frequency UPS
Adopt double conversion online technology
Precision mature designed, higher reliability
Advance phase-balanced technology
Comprehensive protection of over-voltage, short circuit,
over-temperature on input

Model DD6S DD10S DD15S DD20S
Capacity(VA) 6KVA 10KVA 15KVA 20KVA
Operating principle Pure sine wave dual conversion on-line
AC Input Phase single-phase L+N+G
Voltage 220V±5%
Frequency 50HZ or 60HZ+5%
DC Input Rated DC voltage 192VDC
Floating voltage 218VDC
Cut-off voltage 168VDC
Charging time again <16 hours
Type Maintenance free lead-acid battery
Back up time Base on the quantity and capacity of battery
AC Output Phase single-phase L+N+G
Voltage 220VAC±2%( stable load), 220VAC±5%(fluctuant load))
Frequency 50Hz±0.5%(Under battery unlocked)
Power factor 0.8,LAG
Wave-form Sine wave
Voltage Distortion linear load <3%non-linear load <5%
Output voltage ±5%( Load abrupt change From 0 to 100%)
Transient response <2ms
Crest factor 3:01
Overload protection >125%,1min;>150%,200ms
System specificat-ion Full load efficiency ≥90%
Transfer time City electricity interrupted 0ms;bypass transfer time<2ms

Overload, over charge and over discharge;

out the range of voltage and frequency, over current, short circiut,

over temperature ect.

Display LCD and LED indicator
Communication RS232 interface and SNMP card(optional)
Environment 0~40'C
Relative ambient 20~95%(Non-condensing)
Noise (dB) <58dB
Size (L*W*H)mm 540*240*680 640*330*940 720*410*990
Package(L*W*H)mm 600*300*830 700*390*1100 780*470*1150
N.W./ G.W (KG) 32.5/40 60/66 72.5/79 80/86

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