power system,uninterruptible power system manufacturer and power system,uninterruptible power system supplier--China Zhejiang Ward Electronic Co., Ltd.

Low Frequency UPS 10KVA ~ 45KVA

WARD DT series low frequency on line UPS, power system, uninterruptible power system from 10KVA to 45KVA. It’s designed special for data management center, manufacture industry, petrify system, metallurgical industry, power system etc. It’s adopted twin changing online design, intelligent IGBT module, PWM pulse-width modulation and several CPU, power system, uninterruptible power system control technology. It’s the best protection equipment for various kinds of important equipments.

FEATURES

High Reliable
* Adopt twin change on line technology, sequester extraneous interference
* Favorable overload ability and protection
* Design with 100% unbalance protection
* 100% Non linear load ability
* IGBT, PWM inverter together with digital

logic power control technology
* Industrial grade UPS

Super Safety
* The output isolate transformer can avoid the destruction of abnormal signal & lightning stroke
* With static bypass, repair bypass, battery maintain bypass
* Cold start
power system, uninterruptible power system

Smart
* Different loading have different use way. Single UPS, 1+1 or N+1 etc.
* Modular design, easy to repair
* Intelligent management for battery pack

Economic
* The efficiency of complete system more than 90%, it will be up to 95% or more if ECO mode

Easy Operation
* LED/LCD display, it’s easy to operate

Intelligent

* It can remote management and TVSS through the offered RS232()RS422, optional SNMP Card, RJ45 etc. communicate port

Appliance

* Data management equipment and system
* Automatic control systems
* Hospital
* Mini office system
* Telecommunication systems
* Bank
power system, uninterruptible power system

Technical Parameter

Model		DT10K	DT15K			DT20K	DT30K	DT45K
Rated Capacity		10KVA	15KVA			20KVA	30KVA	45KVA
DC Input	Voltage(VDC)	220VDC
	Current (A)	45A		68A	90A		136A		205A
	Voltage Range	200 ~ 280VDC
AC Input	Voltage	380VAC (Three Phases Four Wires)+ G
	Voltage Range	380VAC ± 15%
	Frequency	45 ~ 60Hz
	Power Factor	0.8
Bypass Input	Voltage Range	220VAC ±15%
	Current (A)	45A		68A	90A		138A		205A
AC Output	Voltage	220VAC
	Frequency	50Hz± 0.1%
	Rated Output Current	36A		54A	72A		109A		164A
	Voltage Accuracy	220VAC ±3%
	Frequency Accuracy	50Hz ± 0.05
	Distortion (THD)	< 5% (linear load)
	Dynamic	± 5% (from 0 to 100% load and from 100% load to 0)
	Power Factor	0.8
	Overload Ability	120% for10 seconds
	Crest Factor	3:1
	Inverter Efficiency	92 % (80% linear load )
	Transfer Time	0 ms (from AC power to DC power each other), 4ms (from inverter to bypass each other)
Protection	Input Protection	Opposite connection of null and battle line, under voltage, over voltage
	Output Protection	Overload, short circuit, over temperature
Ambient	Insulate Degree	1500VAC, 1 min (Input & Output)
	Noise	£55dB
	Temperature	10 °C ~ +40 °C
	Humidity	0 ~ 90% (no dewfall)
	Elevation	<1000m
Size (mm)		800x600x2200
		300	400			450	500	600

Specifications are subject to change without notice

UPSUninterruptible Power Supply