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6. Specifications
MODEL
DTK-U
DTK-U
DTK-U DTK-U
CAPACITY*
1000VA/1000W
1500VA/1500W
2000VA/2000W
3000VA / 3000W
INPUT
Voltage
Range
Low Line Transfer
80VAC/70VAC/60VAC/55VAC ± 5 %
( based on load percentage 100% - 80 % / 80 % - 70 % / 70 - 60 % / 60 % - 0)
Low Line
Comeback
87VAC/77VAC/67VAC/62VAC ± 5 %
High Line Transfer
150 VAC ± 5 %
High Line
Comeback
145 VAC ± 5 %
Frequency Range
40Hz ~ 70 Hz
Phase
Single phase with ground
Power Factor
≧
0.99 @ full load
THDI
≦
5% @ 160-265Vac or 80~140Vac
THDU < 1.6% @ input and full linear load condition
OUTPUT
Output voltage
100/110/115/120/125/127 VAC
**
AC Voltage Regulation
± 1% (Batt. Mode)
Frequency Range
(Synchronized Range)
47 ~ 53 Hz or 57 ~ 63 Hz
Frequency Range
50 Hz ± 0.1 Hz or 60Hz ± 0.1 Hz (Batt. Mode)
Current Crest Ratio
3:1
Harmonic Distortion
≦
2 % THD (Linear Load) ; 4 % THD (Non-linear Load)
Transfer
Time
AC Mode to Batt.
Mode
Zero
Inverter to Bypass
< 4 ms
Waveform (Batt. Mode)
Pure Sinewave
EFFICIENCY
AC Mode
≧
89% @ full charged battery
≧
91% @ full charged battery
ECO Mode
≧
96% @ full charged battery
Battery Mode
≧
88%
≧
90%
BATTERY
Battery Type
12V/9AH
12V/9AH
12V/9AH
12V/9AH
Numbers
2
3
4
6
Recharge Time
3 hours recover to 95% capacity for internal battery@ 2A charging current
Charging Current
Default: 2A, Max: 8A adjustable
Charging Voltage
27.4 VDC ± 1%
41.0 VDC ± 1%
54.7 VDC ± 1%
82.1 VDC ± 1%
PHYSICAL
Dimension, D X W X H (mm)
410 x 438 x 88
510 x 438 x 88
630 x 438 x 88
Net Weight
(kgs)
With battery
11.6
15.5
19.5
27.5
Without battery
6.6
8.1
9.4
12.4
ENVIRONMENT
Operation Humidity
20-95 % RH @ 0- 40°C (non-condensing)
Noise Level
Less than 50dBA @ 1 Meter (With fan speed control)
MANAGEMENT
Smart RS-232 or USB
Supports Windows® 2000/2003/XP/Vista/2008/7/8/10, Linux, Unix and MAC
Optional SNMP
Power management from SNMP manager and web browser
* Derate capacity to 90% of capacity when the output voltage is adjusted to 100VAC.
**For 120VAC system, the output power ratings are different based on different input voltage. Please check output power rating table for the
details.
(127 is not applicable to USA region)
*** Product specifications are subject to change without further notice.
