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Energy Saving 300KVA / 270KW Low Frequency Online UPS Three Phase

China CHINA UPS Electronics Co., Ltd. certification
China CHINA UPS Electronics Co., Ltd. certification
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Energy Saving 300KVA / 270KW Low Frequency Online UPS Three Phase

Energy Saving 300KVA / 270KW Low Frequency Online UPS Three Phase
Energy Saving 300KVA / 270KW Low Frequency Online UPS Three Phase Energy Saving 300KVA / 270KW Low Frequency Online UPS Three Phase

Large Image :  Energy Saving 300KVA / 270KW Low Frequency Online UPS Three Phase

Product Details:
Place of Origin: China
Brand Name: UPSEN
Certification: CE, ISO, RoHS
Model Number: Low Frequency Star Series 100-400Kva
Payment & Shipping Terms:
Minimum Order Quantity: 1pcs
Price: Negotiation
Packaging Details: Wooden Box
Delivery Time: 7-15 Days
Payment Terms: T/T, LC, WU, Money Gram etc
Supply Ability: 50,000pcs/Month
Detailed Product Description
Type: Online Output Power Factor: 0.9
Phase: Three Phase Protection: Over Load/Current/Voltage, Short Circuit Etc
Display: Digital LCD Display H.S. Code: 8504402000
High Light:

high efficiency UPS


220V ups Power Supply


Energy Saving 300KVA / 270KW Low Frequency Online UPS Three Phase

Low Frequency Online UPS Low Frequency Strar Series LF33 100K-800K(3Ph in/3Ph out)


0.9 Output Low Frequency UPS Overview

1: Three Phase Low Frequency UPS with 0.9 output power factor

2: UPS with High efficnecy more than 94%, and can reach 98% under ECO Mode

3: Low Frequency UPS with double conversion and IGBT Tech

4: Input / output filter improves the system EMC performance

5:  input/output filter improves the system EMC performance


Key Features

● 0.9 output power factor,

● UP to 6 units in parallel

● 6-inch extra large LCD that display 12 language( English/Russian/Spanish/French…)

● The efficiency of the machine is more than 94%, and reach 98% in ECO mode.

● 6th generation DSP control

● Intelligent battery management

● Layered independently-sealed ventilation channel and redundant fan, embedded make it highly efficient to 

   dissipate heat.

● Extra strong capability to withstand output overload and short circuit,ensuring the system stability and systemsafety    

   under extreme conditions

● Extra wide input voltage and frequency range make it adapt to severe power grid environment

● Standard input/output filter improves the system EMC performance

● Intelligent battery management maintains battery automatically to prolong the battery life


Mainly used in large IDC rooms, bank/securities settlement center, communication network management center, semiconductor product lines and large automation production and its control system. According to the special needs of users was improved, and used in large sports venues, conference room, theater and highway and railway tunnels metal halide lamp lighting system.


Technical Specification


                                                         Low Frequency Strar Series LF33 100K-400Kva
Model                                          LF33 Series
Rectifier Type 6p 12p 6p 12p 6p 12p 6p 12p 6p 12p
Rated Nominal 120KVA/108KW 160KVA/144KVA 200KVA/180KW 300KVA/270KW 400KVA/360KW
Rated input voltage 380/400/415VAC 3-phase 4-wire
Rated frequency 50/60HZ
Input parameters 
Input voltage range ±25%
Input frequency range 45Hz~65Hz
Input soft start function 0-100%   5-300settable
Input power factor more than 0.98(If harmonic filter is added)
Input harmonic current (THDi) less than 4.5%(If harmonic filter is added) 
Bypass voltage range -20%~+15%
Bypass frequency range 50/60HZ±10%
Output parameters
Inverter output voltage 380/400/415VAC 3-phase 4-wire
Voltage stability ±1%(Steady status),±3%(Transient status)
Frequency 50/60Hz
Mains power synchronization window ±5%
Actually measured frequency accuracy (internal clock) 50/60Hz±0.01Hz
Output power factor 0.9(Output 90kW per 100kVA)
Transient response time less than 5ms
Inverter overload capability At 0.9 power factor, 110% for 1 hour, 125% for 10 minutes and 150% for 60s
Short circuit current from inverter 3ph 1.5ln for 5seconds,1ph 2.9ln for 5seconds
Maximum Bypass capability 1000% for 100ms
Phase shift With 100% balanced load less than1°
Characteristic With 100% imbalance load less than1°
Total harmonic 100% linear load less than1%
Distortion(THDv) 100% non-linear load less than3%
System efficiency (full load) Up to 94% (inverter efficiency is up to 98%)
Rectifier output parameters
Charger output voltage stability 1%
DC ripple voltage ≤1%
Operating environment
Operating temperature range 0~40°C
Storage temperature -25~70°C(Without battery)
Relative humidity 0~95% No condensation
Maximum operating height ≤Elevation 1000m, for elevation above 1000m, derate by 1% for every increase of 100m
Noise (1m) 58-68dB
Protection level IP20
Standard Safety: IEC60950-1 IEC62040-1-1 UL1778 EMC IEC62040-2 CLASS C2 EN50091-2 CLASS A Design and Test IEC62040-3
Physical parameters
Weight (kg) 980 1420 1200 1750 1350 2000 1600 2200 2100 2750
Width(mm) 900 1250 1250 1640 1250 1640 1640 2280 2280 2280
Depth (mm) 855 855 855 855 855 855 855 855 855 855
Height (mm) 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900
*Specifications change without prior notice


Competitive Advantages:

1: Three Years' warranty for Online UPS, and 1% free UPS or 2% free PCB Boards
3: Good after-sales service, we will be full responsible for any faults caused by our side
4: Professional experience in power field more than 10 years
5: Professional technical support before and after sales

6: Timely response, fast delivery time and flexible operations to satisfy any customers' special requests.           

7: Free OEM & ODM Service                             

8: Competitive price, quality and mature products

Energy Saving 300KVA / 270KW Low Frequency Online UPS Three Phase 0

Contact Details
CHINA UPS Electronics Co., Ltd.

Contact Person: Mr. Song

Tel: 86-137367899

Fax: 86-755-7287468

Send your inquiry directly to us (0 / 3000)