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, Uninterruptible Power Supply, Switching Power Supply manufacturer / supplier in China, offering High Capacity Low Frequency 10k - 80kVA Industrial Uninterruptible Power Supply, Low Frequency UPS Online UPS with Intelligent Battery Management 10K-120kVA, 1kw-12kw Different Types of Batteries Pure Sine Wave Inverter and so on.

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Supplier Homepage Products Low Frequency Online UPS High Capacity Low Frequency 10k - 80kVA Industrial Uninterruptible Power Supply

High Capacity Low Frequency 10k - 80kVA Industrial Uninterruptible Power Supply

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.
Legend Strar Series
Standby UPS
Sine Wave Output UPS
Output Capacity
Large Type
Equipment Mode
Admissible Crest Factor
Pure Sinewave
Max. Synchronisation Speed
±1 Hz/S
DSP Technology
Transport Package
Cartons & Wooden Pallet
CE & ISO Certificate
HS Code
High capacity low frequency 10K - 80Kva industrial uninterruptible power supply
Model: Low Frequency Online UPS Legend Strar Series LS33 10K-100K(3Ph in/3Ph out)

Key Features
1:Online double-conversion
2:Remote control management(RS-232)
3:DSP technology guarantees high reliability
4:Parallel operation with up to 4 units (option)
5:Control designed to withstand all kinds of loads
6:High accuracy and reliability due to the double DSP control system
7:Frequency convertor mode function input 50Hz output 60Hz or reverse 
8:Advanced network monitor function and support various of operation system
9:Digital signal processing using latest DSP technology provides high performance and system reliability
10:Redundant fan design and independent ventilation enhance durable operation under harsh environment
11:Designed for industry to make sure the UPS works well under the bad circumstance

Data center, Industrial equipment, Financial and Securities, Large Data rooms, cars, boats, trucks, 
DDC (Direct Digital Control System), Photo Printer, Traffic Lights, Railway Control Room, Army, etc. 

Technical  Specification

                                                 LS33 Series 10K - 80Kva
MODEL10K20K30K 40K60K80K
CAPACITY10KVA/        8KW20KVA/ 16KW

30KVA/ 24KW

40KVA/ 32KW60KVA/ 48KW80KVA/ 64KW
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 EfficiencyLine Mode90%91%92%93%
Battery Mode90%91%93%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

High Capacity Low Frequency 10k - 80kVA Industrial Uninterruptible Power Supply


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