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The VFI-RT series of Online Double Conversion UPS System is designed for critical applications and has the highest standards of quality and design. Each circuit board is optically inspected using the latest in automated test equipment to ensure that every board is perfectly made.

We use only the highest quality Yuasa brand batteries in the VFI-RT ensuring maximum up time and reducing your cost of ownership.

The VFI3000RT is a fully featured online double conversion UPS System with 3KVA and 2700W rating that can be rack mounted in a 19" rack, or vertical standing with supplied support brackets.

A comprehensive LCD display gives full UPS status and can be electronically rotated for viewing in either horizontal or vertical orientations.

ECO mode can be enabled to improve operational efficiency safe in the knowledge that should the mains go out of limits the inverter will immediately take over.

The rear panel allows for full IEC power distribution, with load shedding when on battery for non-essential load, an Emergency Power Off Mode for safety, RS232 and USB interface for monitoring and control via a computer and an intelligent port for network monitoring via SNMP or a dry contact card can be fitted for connection to a Building Management System.

The unit can also be operated as a frequency converter with a configurable 50 or 60Hz output frequency, regardless of input frequency.

The front access internal battery pack allows for easy replacement of batteries, and this can be done live without having to power down the load for maximum uptime.

  • High frequency, double conversion on-line technology providing the highest degrees of power protection
  • High power factor of 0.9 reducing possibility of overload and offering maximum compatibility
  • Three Stage Battery Charger increases battery service life and optimises recharge time
  • Hot Swappable Front Access Battery Tray allowing for simple maintenance
  • Electronic Rotatable LCD allowing easy reading in both horizontal and vertically mounted.
  • Wide input voltage range allowing operation without reverting to battery extending uptime and maximising battery life.
  • Cold start function allowing power to be provided without utility being present.
  • Selectable ECO mode for high efficiency operation saving on operating costs
  • Automatic battery charge in UPS off mode
  • Automatic fan speed control with load variation giving minimal noise
  • Emergency Power Off facility for safety
  • Smart USB / RS232 communications with monitoring software
  • Optional relay or SNMP communications card through Intelligent Slot for full communications
  • Programmable load shedding in battery mode
Model VFI1000RT VFI2000RT VFI3000RT
Capacity VA 1000 2000 3000
WATTS 900 1800 2700
Voltage Range Low Line Transfer
Voltage160VAC140VAC120VAC110VAC ±5%
For loads 100%-80%80%-70%70%-60%50%-0% 
Low Line Comeback 170VAC / 150VAC / 130VAC / 120VAC ±5%
High Line Transfer 300VAC ±5%
High Line Comeback 290VAC ±5%
Frequency Range 40Hz ~ 70Hz
Power Factor ≥0.99 @nominal voltage
Output Voltage 208 / 220 / 230 / 240 VAC
Selectable through LCD panel
AC Voltage Regulation ± 1%
Frequency Range (AC Mode) 47~53Hz -or- 57~63Hz (Synchronised range)
Frequency Range (BATT Mode) 50Hz ± 0.5% -or- 60Hz ± 0.5%
Current Crest Ratio (CF) 5:1 (Max)
Harmonic Distortion (THDU) ≤ 2% (Linear Load)
8% Maximum (Battery Mode before Shutdown)
Transfer Time AC to DC Zero
Inverter to Bypass 4% Maximum
ECO Mode 94% 95% 97%
AC Mode 86% (typical), 88% (peak) 88% (typical), 90% (peak)
BATTERY Mode 83% (typical), 86% (peak) 85% (typical), 88% (peak)
Battery Type Valve Regulated Sealed Lead Acid. 5 Year design life
Model Yuasa NPW45-12 or equivalent
Quantity 2 4 6
Typical Recharge Time 4 hours to 90% recharge
Maximum Charging Current 1A
Charging Voltage 27.4 VDC ± 1% 54.7 VDC ± 1% 82.1 VDC ± 1%
LCD UPS Status, Load Level, Battery Level, Input / Output / Battery Info. Discharge time and Fault Indicators
Battery Mode Sounding every 4 seconds
Low Mode Sounding every second
Overload Sounding twice per second
Fault Sounds Continuously
Dimensions, DxWxH (mm) 380 x 438 x 88 480 x 438 x 88 600 x 438 x 88
Net Weight (kgs) 12.9 20.6 28
Humidity 20-90% RH (non condensing) @ 0-40°C
Noise Level Less than 50dBA @ 1 Meter
Smart RS232/USB Port Software supports Windows platforms, Linux, Unix & MAC
Options SNMP Manager & Web Browser
AS400 Relay Card
100 6 9Ah 2700
  • Rack Ears
  • Vertical Support Brackets
  • View Power Software CD
  • Input & Output Leads
  • Data Lead
  • User Manuals

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