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Three Phase 3/3 Low Frequency Online UPS 380V System
Three Phase 3/3 Low Frequency Online UPS 380V System
Three Phase 3/3 Low Frequency Online UPS 380V System
Three Phase 3/3 low Frequency Online ups 380v System
Model:Low Frequency Online UPS Legend Strar Series LS33 10K-100K(3Ph in/3Ph out)

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Cold start
Perfect protection
Generator compatible
Intelligent communication
High-powered dynamic feature
Selectable battery inspection module
Optional input harmonic filter or 12 pulse rectifier

Key Features 
1:Built-in isolation transforme
2:True galvanic isolation transformer design
3:Parallel operation with up to 4 units (option)
4:Variety of communication options available
5:Advanced automatic constant charging circuit, prolongs battery life
6:True on-line double conversion design providing all power protection
7:Full protection, overload, over voltage, short circuit, over temperature etc 
8:Sixth generation IGBT, much higher efficiency, lower temperature, more reliable
9:Super wide range of input voltage anti-interferance,adapt to harsh environment in power network.
10:Cold start function: UPS system can directly start UPS by battery pack in the absence of AC input
-self-starting funciton after restoreing utility power supply
11:Compact size and ergonomic design: it can be placed on a desk top or other convenient location
Data center, Industrial equipment, Financial and Securities, telecommunication, aviation, traffic, post service, public security, customs, government and other entitiesh etc.
Technical Specification
                                                       LS33 Series 10K - 80Kva
MODEL10K20K30K 40K60K80K
Nominal Voltage3 x 380VAC/400VAC (3Ph + N)
Acceptable Voltage Range305VAC ~ 460VAC
Frequency46-54Hz or 56-64Hz
Nominal Voltage3 x 380VAC/400VAC (3Ph + N)
PrecisionStationary: ±1%
 Transitory: ±5% (load variations 100-0-100%)
Frequency50/60 Hz synchronised ±1 %
With mains absent ±0.1 Hz
Max. Synchronisation Speed±1 Hz/s
WaveformPure Sinewave
Total Harmonic Distortion (THDv)
Contact Information
  • Contact PersonNancy
  • Telephone86-755-29610051
  • Fax Number
  • Websitewww.upsen.net
  • Post Code
  • Address5b, Jindacheng Industrial Park, Shajing Central Road, Baoan District, Shenzhen, Guangdong, China
  • Online MapShenzhen UPSEN Electric Co., Ltd. Map & Directions