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  • High frequency Online Transformerless UPS W1-3K (HF 1/1 )
  • High frequency Online Transformerless UPS W1-3K (HF 1/1 )
Product name:

High frequency Online Transformerless UPS W1-3K (HF 1/1 )


Product parameters

Product Introduction

High frequency W1KVA-3KVA series is based on double conversion on-line intelligent UPSit adopts advanced DSP digital control technology has functions of higher output performance indicators and a number of innovative design featuresis the ideal solution for small-capacity power supply scenarioscan fully eliminate all kinds of power grid problem. Support for tower installationbuilt-in battery.


• Enterprise8ranch of mr enterprisebank

• NetworkCommunication systemAC power supply in automatic control system

• AC power supply of precise instrument

• SupermarketHomeOffice and other AC power supply

Key Feature

Efficiencyand Reliable

• Super wide input voltagereduce the number of battery discharge effectively.extend the battery life

• On-line double conversion technology  provide stable and reliable power supply to customers

Intelligent Management

• SNMP/MOD8US/DRY CONTACT/US8 and other communication mode are optional

• Support for delay power 0'  shut down the computer application system and operate system with 

safety timely

• With function of self-diagnosis when power on find and prevent fault in time

• Can alarm from Mobile APPWeChat remote managementSMS and others.

Flexible and easy to use

• LCD displayfriendly human-computer interface real-time monitoringconvenient to operate

• 8uilt-in batteryconvenient and easy to use

Technical Performance 


Input features
PhaseSingle phase three wires
Power FactorFull load ≥0.98
Battery voltage(V dc)24/3672/7272/96
Battery type2*7Ah 12V/External6*7Ah 12V/External6*7Ah 12V/External
Output features
Power factor1.0
Frequency(HZ)50/60±0.05%(battery mode)
Transfer Time(ms)0
WaveformSine Wave,THD≤3%(Linear Load)
Overload105%~129% full load keep 60s;130%~150% load keep 30s;
Above 150% load keep 300ms
Crest Factor>3:1
Output socket Two sockets( optional) Two
sockets+Terminal block(optional)
DC startYes
Backup timeNormally 5min/Long time need to depend on demands
Communication functionRS232 connector,support for monitor software
SNMP(optional)Can be network monitored by SNMP adapter 
DisplayLED display UPS work status, LCD display UPS work parameters
Noise (dB)<45
AlarmBattery low-voltage, mains abnormal, overload, UPS fault, over temperature protection
ProtectionInput over-voltage protection, battery under-voltage protection, overload protection, short circuit protection, over temperature protection
Working temperature(ºC)0~40
Humidity0~95%,Non condensing
Size(D×W×H) (mm)355*145*226402*190*326

1. "L" is long backup UPS,"S" is standard UPS;
2.  Because the products are continuously improved, please contact the company or dealer to inquiry the latest specification.