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Servers, Data centers, Critical network devices, Sensitive electronic equipment, Telecom...


True on-line double conversion technology with advanced microprocessor control
Wide input voltage range
Zero transfer time
Protection against all type of power problems
Self test while start of the UPS
Site wiring fault warning
On-battery power-on function
Smart RS232 communication interface
Intelligent slot available
Sealed lead-acid, maintenance free battery


Product Series

Rack Mount 1~6kVA



Rated Power

VA/W1kVA / 0.7kW2kVA / 1.4kW3kVA / 2.1kW6kVA/4.2kW


Nominal Voltage220VAC
Voltage Range115 ~ 300VAC176 ~ 276VAC
Frequency Range46 ~ 54Hz(default), user adjustable within 40~60Hz46 ~ 54Hz
Power Factor0.970.98
ConnectionIEC320-10A inletIEC320-16A inletTerminal Block


Voltage220VAC ± 2%220VAC ± 1%
Frequency46~54Hz or 50Hz ± 0.2Hz (Line mode)
50Hz ± 0.2Hz ( Battery mode)
46~54Hz (Line mode)
50Hz ± 0.05Hz (Battery mode)
WaveformSine Wave
Overload Capability108%~150% for 30 sec., ³150% for 300 ms105%~130% for 10 min., ³130% for 1 min.
Current Crest Ratio3:1


Automatic Transferon overload and UPS failure
Before UPS Power-onDefault “NO”, user adjustable to “YES”Yes
Voltage Range80~264VAC (Default), user adjustable within 80~286VAC176 ~ 261VAC

Output Connections

IEC320 -10A * 4IEC320-10A * 4IEC320-10A and
Terminal Block
IEC320-10A * 4 and Terminal Block

Transfer Time

0 ms; less than 4 ms from inverter to bypass and vice versaZero

LED indicators

StatusLoad level / Battery level, Battery , Utility Power, Inverter, Bypass, Overload, Fault

Audible Alarm

Bypass, On battery mode, Battery low, Overload, Fault


RS-232 Serial Interface
Intelligent Slot;
OPTIONS: WEBPOWER SNMP/WEB card, AS400 card or WinPower CMC)

Network Surge Protection

RJ45 I/O port available for network or Fax/Modem


Operating Temperature0 ~ 40°C
Operating Humidity20 ~ 90% non-condensing

Main Unit

Net Weight (Kg)15.310.311.218.3
Dimensions (W x D x H) mm482.6 x 450 x 88 (2U)482.6 x 600 x 130 (3U)

Battery Pack

TypeInternal BatteriesExternal Battery Pack
Nominal DC Voltage36VDC96VDC240VDC
Backup Time (Full load)5 min9 min
(with 1 BP)
5 min
(with 1 BP)
7 min
(with 1 BP)
Net Weight (Kg)--25.358.2
Dimensions (W x D x H) mm--482.6 x 450 x 88 (2U)482.6 x 600 x 130 (3U)


G1KRS, G2KRS, G3KRS & G6KRS for longer Backup time with additional Battery Packs are available, please consult local distributors. 


If you are interested in our products, please don’t be hesitated to contact us. Please send mail to tenka@wenbaele.com, or leave your message at the following form. We will contact you within 24 hours. Thank you for your enquiry.