Index > Product > LINE Interactive UPS > UBT 800VA ~ 4000VA

UBT 800VA ~ 4000VA

Line Interactive UPS - UBT 800VA ~ 4000VA

Extra Smart UPS "Tower Ver. " UBT 800VA ~ 4000VA

Feature :

  • Pure sine wave output
  • Microprocessor based design with true Line-Interactive structure.
  • Adjustable voltage sensitivity, charging voltage, & voltage-transfer points.
  • Remaining Estimated Backup Time indication, Smart battery management with intelligent double stages of charging control.
  • Smart battery management with intelligent double stages of charging control.
  • Real time auto-detection for battery condition.
  • Automatic restart of load after UPS shutdown.
  • Smart AVR function (Two buck / boost modes).
  • Zero Transference.
  • Generator compatible.
  • "Green Power" design with auto on/off function & adjustable level.
  • Hot-swappable batteries (optional for 3K & 4K models).
  • Network manageable (SNMP optional).
  • RS-232 interface for communication, compatible with all major O.S., including Windows, Linux, SCO UNIX, & DOS
  • Protection for overload, short circuit, & over heat.
  115V Models 230V Models
Power Levels crated at nominal inputs

800VA / 480W,  1000VA / 600W,  1500VA / 900W,

2200VA / 1350W,  3300VA / 2000W,  4000VA / 2600W
Output Voltage 100V/110V/115V/120V Selectable 200V/220V/230V/240V Selectable
Voltage Waveform Sine wave
Crest Factor 3:1

Output Frequency

(Synchronized to Mains)

Auto Select for 50/60Hz
47Hz ~ 55Hz for 50Hz nominal

56Hz ~ 65Hz for 60Hz nominal
Regulation (Nominal) ±5% typical of nominal voltage  (optional at ±8% AVR for wide I/P up to ±35%)
Regulation (Batt. mode) ±3% of selected output voltage  (adjustable with the remote set-up software)
Transfer time

Blackout 3ms typical
Brownout 1ms typical

Battery mode to Normal mode:1ms typical
Over current protection

Over load alarm level 100% ~ 120%
Over load shutdown level 120% ~ 190%

(Adjustable with the remote set-up software)
  115V Models 230V Models
Nominal Voltage

100V/110V/115V/120V Selectable

200V/220V/230V/240V Selectable
Input Frequency 47Hz ~ 65Hz, 50/60Hz auto-sensing
Efficiency (Normal mode) 97%
Noise Filtering Full time EMI/RFI filtering

Over current protection

800VA~1000VA:by AC fuse

1500VA ~ 4000VA:by re-settable
over current protector

800VA ~ 2200VA:by AC fuse

3300VA ~ 4000VA:by re-settable
over current protector
Voltage Range

-20% ~ +24% for selected nominal voltage.

-29% ~ +33% adjustable with the remote set-up software

AVR Range

(2 Bucks, 2 Boosts)

Enhanced Buck: +15% of selected nominal voltage
Buck mode: +5% of selected nominal voltage
Boost mode: -5% of selected nominal voltage

Enhanced Boost: -12.5% of selected nominal voltage
Surge Protection

800VA ~ 1500VA:216 Joules

2200VA ~ 4000VA:324 Joules

800VA ~ 1500VA:220 Joules
2200VA ~ 3300VA:440 Joules

4000VA         :660 Joules
Battery type Maintenance–free sealed, valve-regulated, Lead-Acid
800VA ~ 3300VA:12V, 7Ah,   4000VA:12V, 9Ah
Voltage 800VA/1000VA:24Vdc,   1500VA:36Vdc 2200VA:48Vdc,   3300VA/4000VA:72Vdc
Typical backup time at half-load

800VA:18 minutes
1000VA ~ 3300VA:14 minutes

4000VA:12 minutes
Typical backup time at full load

800VA:6 minutes
1000VA ~ 3300VA:4.5 minutes

4000VA :4 minutes
Charging method

Smart pulse charging with two charging modes.

Quick charging when battery is not fully charged, trickle charging when battery is 90% fully charged.
Charging time Less than 3 hours to 90% at normal line and normal temperature.
Average charging current 2.5A
Average charging voltage for each battery

Quick charging mode:14V maximum.

Trickle charging mode:13.2V ~13.9V adjustable with the remote set-up software.

Over current protection (SCR control)
Over charging voltage protection (SCR control)
Thermal protection (CPU control)

When temperature inside UPS is over 45℃, charger will stop charging for 2.5 minutes followed by an 1.5 minutes charging.  The cycle will be repeated until the temperature is lower than 44℃.
Monitoring Smart monitoring & warning for failed battery or open-circuit battery. Auto-detection each time when power on or every 6 days.
Communications & Management
Standard Interface port UPSilon2000 compatible.
800VA ~ 1500VA:RS232, optional for RJ45, USB.
2200VA:RS232 + USB, optional for RJ45.>

3300VA ~ 4000VA:RS232 + USB +RJ45 (Surge Protection)
Optional Interface port DB9, SNMP (external type)
Control panel

LCD or LED Selectable

Audible alarm Alarm on battery:Low battery & Battery over voltage

Alarm on abnormal operation:Over load, Short-circuit, & Over heat
EBT (Estimation of Backup
Time) system

Support for LCD display

Green mode function (Auto-shutdown during blackout) 1% to 14% of full load (adjustable with the remote set-up software)
The default setting is OFF.
Environmental and Safety
Operating Temp. Up to 1500 meters:0℃ to 40℃ (32℉ to 104℉)
Transit/storage Temp. -15℃ to 55℃ (5°F to 131°F)
Relative Humidity

5 - 95% non condensing

Operating Altitude 0 ~ 3000 meters
Audible noise

≦40 dBA (at 1M from surface of unit)

Safety Markings BSMI CE
EMC Class B, EN50091-2, FCC part15, IEC1000-2-2
Quality control system ISO 9001

Dimensions: (D×H×W)

Unit / Shipping

800VA ~ 1000VA:38 x 20 x 18 (cm) / 48 x 33 x 30 (cm)
1500VA:45 x 20 x 18 (cm) / 54 x 33 x 30 (cm)

2200VA ~ 4000VA:51 x 20 x 18 (cm) / 61 x 33 x 30 (cm)


Net / Gross (kg)

800VA:13 / 14 (kg),   1000VA:15 / 16 (kg),   1500VA:21 / 22 (kg)

2200VA:25 / 26 (kg),   3300VA:36 / 37 (kg),   4000VA:36 / 37 (kg)

Export carton for each unit, 16 - 30 units per pallet