Transformerless three phase KEHUA KSTAR EAST UPS

DTH31 SERIES Transformer-less UPS (10-20KVA)

Capacity: 10-20KVA UPS
Features: tower, three phase in, single phase out, transformer-free,Output PF=0.9 UPS Advanced Technology,Outstanding Flexibility
Battery: external
Color: Black
Description: DTH31 SERIES is three phase high frequency UPS 10KVA-20KVA

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Product Detail
Technical Data

Application Field
Computers, data centers, network device,telecommunication, precision instrument.

Performance characteristics
Advanced Technology
1.Wide input voltage.
2.50/60Hz auto sensing.
3.Input power factor correction.
4.Microprocessor control optimizes reliability.
5.N+X parallel function.

Outstanding Flexibility
1.Adjustable battery numbers.
2.Generator compatible.
3.Comprehensive display allows easy monitoring.
4.Cold start function.
5.Adjustable input: 3 phase 380V or 1 phase 220V.

Green Performance
1.ECO mode for energy saving.
2.High input power factor up to 0.99.

Performance

Model			DTH31-10K DTH31-10KL	DTH31-20K DTH31-20KL	DTH31-30K DTH31-30KL
Capacity			10kVA	15kVA	20kVA
Input
Rated Voltage			380VAC (3 phase+n)
Voltage Range			190 VAC ~520 VAC @50% load ；305 VAC ~478VAC @100% load
Frequency Range			46Hz ~ 54 Hz @ 50Hz system；56Hz ~ 64 Hz@ 60Hz system
Power Factor			≥0.99@100%load
Output
Output Voltage			208/220/230/240VAC
Voltage Accuracy			± 1%
Frequency Range (Synchronizing Range)			46Hz ~ 54 Hz or 56Hz ~ 64 Hz
Frequency Range (Battery Mode)			50 Hz ± 0.1Hz or 60Hz ± 0.1 Hz
Power Factor			Standard0.8( optional 0.9)
Crest Factor			3:1
Main power Mode			105%~110%: 10 min；110%~130%:1 min；>130%: 1 sec
Battery Mode			105%~110%: 30 sec；110%~130%:1 sec；>130%: 1 sec
THD			≤2% @ 100% linear load；≤5% @ 100% nonlinear load
Switching Time		Main power Battery	0 ms
		Inverter Bypass	0 ms
Efficiency
Inverter Model			＞93%	＞92%
Battery
Standard	Number		16（16~20 settable）	2 x 16（16~20 settable）
	Charging Time		9 Hours reach 90% capacity
	Charging Current		1A	2A
	Charging Voltage		218.4VDC ± 1%
Long Backup	Number		16（16~20 settable）
	Charging Current		4A（optional8A）
	Charging Voltage		218.4 VDC ± 1%
Physical
Standard	Size WxDxH(mm)		592 x 250 x 576	815 x 250 x 826
	Net Weight (kg)		83	164
Long Backup	Size WxDxH(mm)		592 x 250 x 576
	Net Weight (kg)		28	40
Environment
Working Condition			Relative humidity 0-95% and temperature 0-40℃(no condensation)
Noise			＜60 dB(A) @ 1 Meter
Management
Intelligent RS-232 Or USB			Support Windows® 2000/2003/XP/Vista/2008、Windows® 7/8、Linux、Unix、and MAC
Optional SNMP			Support power management by SNMP administrator and web browser

*In frequency conversion mode, the output power will be derated to 80%
When the output voltage is set to 200Vac or 208Vac, the output power will be derated to 80%
* Specifications are subject to change without prior notice

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