Durable Series

Features:

Double Conversion True Online Technology

1Ph:4,6,8,10KVA 3Ph:10,15,20,30KVA

Low FrequencyTechnology

Inverter IGBT

Features & Benefits

Advanced DSP-digital control technology

High input power factor-green and energy-saving power

Wide input voltage and frequency range

Reliable parallel technology

Abundant interface setting functions

Flexible network monitoring and management

Large LCD display in both Chinese and English

Perfect protection

Cold start and AC start function

Easy maintenance design

Technical Specification:

Model		DS8820
Rating capacity		20KVA
Operating principle		On line Static bypass switch, double conversion
Phase		3:1
Rectified I/P	P.F.	>0.95
	Rating voltage	380VAC
	Voltage range	380VAC±25%
	Rating frequency	50Hz/60Hz
	frequency range	40-70Hz
	THDi	***
	Soft start	0 to 100% ,3 to 5 seconds
Bypass I/P	Voltage range	±15%
Bypass I/P	Frequency range	±5%
Charge	Float charge	220VDC
	Current	1 to 6A (extension)
	Protection	Charge voltage, over current protection, short circuit protection
Battery	Model	Lead acid maintenance free battery
	Quantity	16x12V
	Rating voltage	192Vdc
AC O/P	P.F.	0.8(lagging)
	Phase	L+N+G
	Rating voltage	200/208/220/230/240VAC
	Rating frequency	50Hz/60Hz
	Frequency	<±0.1Hz in battery mode
	Voltage	<±2%(static)
	Crest factor	3:1
	Wave distortion	Liner load<3%; unlinear load<5%
	dynamic load voltage instant distortion	Liner load<±5% (from 0-50%-100%)
	Dynamic response recover time	<40ms
	overload capacity	105% ~125%10min;125%~150% 1min; >150%10ms
	transfer time	0mS(AC-Battery);<4ms(bypass-inverter)
Alarm	AC abnormal	Intermission 4S,beep1S;1min auto alarm eliminate
	Battery low voltage	Intermission 1S,continuous beep1S,
	Overload	Intermission 4S,continuous beep1S
	failure	continuous beep
System	display	LED+LCD
	protection	O/P short circuit, overload, O/P over/low voltage, battery low voltage, over temp protection
	Efficiency	100% linear >85%
	Communication interface	RS232(RS485,RJ45,USBselectable)
	Operate temp	0~40 ℃
	relative humidity	0~90% (non-condensing)
	Cooling	Intelligent fan cooling
	Noise dB	<60(1M)
	I/P &O/P	Terminal
Others	Surge protection	IEC60664-1
Others	Electromagnetism capability	GB7260.2-2003
Physics	configuration	Tower,IP21
	Weight (Kg)	280
	Dimension (W×H×D)mm	480×1150×860

UPS فاران DURABLE3/1 20KVA

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