Guangdong, China
Business Type:
Plant Area:
>2000 square meters
Management System Certification:
ISO 9001, ISO 14001
OEM/ODM Availability:
OEM/ODM Service
Sample Available
Overseas Agent / Branch

Low Frequency Online UPS, Three Phase Online UPS, LCD Display Online UPS manufacturer / supplier in China, offering Three Phase 3/3 Low Frequency Online UPS 380V System, Cheap No Break UPS Power Supply for Hospital CT Use 200kVA/160kw, Low Frequency Inverter Inbuilt Copper Isolation Transformer for Air Conditioner Use and so on.

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Three Phase 3/3 Low Frequency Online UPS 380V System

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Min. Order / Reference FOB Price
5 Pieces US $1-1,000/ Piece
Port: Shenzhen, China
Production Capacity: 50, 000PCS/Month
Payment Terms: L/C, T/T, Western Union, Money Gram
Phase: Three Phase
Type: On-line
Protection: Overvoltage
Application: Fire Safety
Classification: Lighting/Power
Standby Time: Standard Machine

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Basic Info

Model NO.: LS33 10K-100K
Standby UPS: Sine Wave Output UPS
Output Capacity: Large Type
Equipment Mode: Decentralized
Brand: Upsen
Technology: CPU Control
Nominal Voltage: 3 X 380VAC/400VAC (3pH + N)
Cabinet: Metal
Parallel Mode: N+X
Trademark: UPSEN
Transport Package: Cartons & Wooden Pallet
Specification: CE & ISO Certificate
Origin: China
HS Code: 8504402000

Product Description

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)

Quickly View:
<1>Cold start
<2>Perfect protection
<3>Generator compatible
<4>Intelligent communication
<5>High-powered dynamic feature
<6>Selectable battery inspection module
<7>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)<2% (Linear Load)
<5% (Non-linear Load)
Phase Displacement120º ±1% (balanced load)
120º ±2% (imbalances 50% of the load)
Dynamic Recovery Time1 cycle at 98 % of the static value
Admissible Overload110% for 10min; 150% for 60sec ; >160% for 200ms
Admissible Crest Factor3:1
Admissible Power Factor0.6~1 (inductive or capacitive)
Imbalance Output Voltage @ 100% Unbalanced Load<1%
Current LimitHigh overload, short-circuit: RMS Voltage Limit
 High Crest-Factor current: Peak Voltage Limit
TypeSolid state
Voltage3 x 380VAC/400VAC (3Ph + N)
Frequency50/60 Hz
Activation CriterionMicroprocessor control
Transfer TimeZero
Admissible Overload150% for 1 hour; 180% for 30sec; >200% for 200ms
Transfer to BypassImmediate, for overloads above 160%
RetransferAutomatic after alarm clear
TypeWithout interruption
Voltage3 x 400V (3Ph + N)
Frequency50/60 Hz
Overall Efficiency90%91%92%93%
Battery Type and Numbers12VDC x 16 pcs12VDC x 32 pcs (29~32 pcs adjustable)
Nominal Battery Voltage192 VDC384 VDC (Based on 32pcs batteries)
Charging MethodCC/CV
Precision ±1%
Charging CurrentMax.: 40 A
Charging Voltage216 VDC432 VDC (Based on 32pcs batteries)
Dimensions, D x W x H(mm)656 x 405 x 817656 x 405 x 941840 x 432 x 1140975 x 554 x 1286
Net Weight (Kgs)180205295330451519
* Product specifications are subject to change without further notice      

Three Phase 3/3 Low Frequency Online UPS 380V System

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