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FC Series 120KVA LF Online Transformer Based 3/3 Phase UPS
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FC Series 120KVA LF Online Transformer Based 3/3 Phase UPS

Heavy Duty Industrial 3/3 Phase UPS

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Heavy Duty Industrial 3/3 Phase UPS

1. System Introduction

FC Series is a full digitized DSP controlled online double conversion 3 Phase Industrial UPS. LF transformer isolated all interferences such as Mains Input Surge or Load impact from the UPS, which also greatly reduce the risk of the UPS and load. FC Series has power parallel redundancy feature with real 0.9 output PF. It also contains friendly and intuitive user Interface. It provides reliable, stable, and constant AC power for computer equipment, telecommunication devices, precision equipment and network termination equipment (NTE).

2. System Features

2.1 High Performance Index

◆ Advanced SCR Rectifier Technology.With additional accessories, the input PF can be upto 0.99 and Input THDI <4.5%
◆ 5th generation IGBT technology to adapt 380/400/415V, 50/60Hz Mains Grid Supply Systems;
◆ Output Power Factor 0.9 to carry 12.5% load capacities than traditional UPS;
◆ Wide Input Voltage Range 380Vac (-45% to +25%) with 50/60Hz ±5% Frequency Range;
◆ High adaptive capacity and Generator Capability;
◆ Overall Efficiency upto 90%. Can reach to 98% on ECO Mode;
◆ Powerful overload ability with output short circuit protection technology: 110%-120% overloads for 10 minutes.125%-150% for 1 minute;
◆ Flexible Battery Configuration. It can be set on the front panel with 28-32 Units of Batteries. Common Battery Bank on Parallel mode. Battery Charging Compensation Feature.
◆ Intelligent Fault Diagnosis system with large storage memory of fault histories;
◆ Friendly and Intuitive User Interface. Large Color Touch LCD Screen with multi-functional buttons

2.2 Safe and Reliable

◆ DSP technology to control UPS all kinds of power function processes (including Parallel function) in order to increase system reliability;
◆ Flexible Single or Dual Utility Power Input to comprehensively protect load devices;
◆ Mis-Phase Connection Diagnosis, Evaluation and Alarm;
◆ 100% 3 Phase Unbalanced Allowed;
◆ Front Maintenance Design. MTBF can be upto 300K Hours;
◆ 90% of system components are from international famous brands. All devices has been aged and fully tested for at least 24 hours before leaving the factory.

3. Rich Optional Accessories

FC Series rear panel provides flexible monitoring ports and accessories, such as SNMP Card (Optional), and parallel communication signal port, battery data port, EPO emergency shutdown port, and standard RS232 port.

4. Application Type

FC Series is designed for many different applications and compatible Loads, such as Data Center, Telecom, Network management center, financial center Security Trading Settlement Center, Banking. Large Theater, Stadium, traffic Administration Bureau, Road and Railroad Tunnel Lightning Control and Monitoring Center, Port Information Center. Semiconductor production line, automatic production line and related devices.

5. Technology Points

◆ Full DSP provides higher system reliability and consistency than traditional UPS systems. 
◆ Output Power Factor 0.9 to enhance the load carry-abilities. (Can Carry 12.5% More Loads Capacity than Traditional UPS);
◆ Full-digital current control and non-prioritized parallel technologies (up to 8 units);
◆ Advanced and Flexible Battery Configuration:

  • Advanced Charging method: it equips with 3-step charge, pulse charge, equalized charge, and float charge. UPS will choose the best charging Method for the batteries from the DSP to enhance the battery life time;
  • Flexible Battery Configuration: 28-32 Units
  • Built-in BAT self-testing and diagnosis systems.

◆ Colored 5/7 inch colored touch LCD display provides various intuitive information for use such as Input, Output, Bypass, Battery Load information. Temperature, Serial Number, Installation time, calendar, backup time and history logs can also be founded via the LCD screen. All settings can also be set directly without technical background. Service time and other information can also be set easily thru the LCD screen.
◆ Equipped with SNMP Card (Optional), and parallel communication signal port, battery data port, EPO, and standard RS232 port.
◆ Independent Ventilation Design to ensure UPS reliability under harsh environments.

Host Machine Specification
UPS Structure
Online Double Conversion
Low Frequency with Output Isolated Transformer
Overall Efficiency (AC-AC)
Noise(In 2 meters)
< 50-60dB
Working Temp
Storage Temp
-25 to 60℃(Without Batteries )
Safety Standard
EMC Standard
EN 50091-1/2, IEC62040-2
Parallel Redundancy
Overload, Short-Circuit, Over Temp., Utility Power Voltage High/low, BAT Voltage High/low
DC Start
Generator Compatibility

LCD Display: Multi-Language with all kinds of messages. Input Output Status, ECO Mode Settings, INV Temp. TX Status Calendar, Time, Serial Number, Model, Structure, History Logs, Battery Test.

LED Indicators: UPS States Indicator

Cabinet Standard
Cooling System
Intelligent Speed Control Cooling Fan
<1500M,Without Derated
Rectifier Specification
Input Voltage
380Vac+N+W( 3 phase + PE)
Input Voltage Range
Input Frequency Range
45-65 Hz
Input PF
0.95(with input filter
<5% with optional accessories 
Dual Input Availability
Available (Optional accessories)
Input Mis Phase Protection
Misphase Alarm, UPS will not be started
Input Phase lost Protection
Phase Lost Alarm, UPS work on Bypass mode
> 20 Seconds
Output Specification 
Output Voltage
Line Voltage: 380×(1±1%)AC or Phase Voltage: 220×(1±1%)AC
Output PF
0.8/0.9 optional
Output Voltage Regulation
380Vac±1%(Static Load);380Vac±2%(50-0% Sudden Change);380Vac±3%(100-0% Sudden Change)
Output Freq
±8% at 50Hz: Online Mode tracking input and bypass frequency
±0.1%: when input or bypass frequency is more than ±8% or under BAT Mode  
<1%(Linear Full Load),< 3%(Non-Linear Full Load)
3 Phase Unbalanced
Allow 3 Phase 100% Unbalanced
Output Volt. Unbalanced
≤1°(Balanced Load),≤2°(50% Balanced Load)
Input/Output Phase Swift
≤1°(Balanced Load),≤2°(50% Balanced Load)
Frequency Tracking Range
Output Waveform
Pure Sine Wave
>125%: More than 10 mins; > 150%: More than 60s transfer to bypass
Crest Ratio
Circuit Auto-Protection, Bypass Switch Tripping
Output Abnormal
INV. Output Auto-Locked Protection
Bypass Specification
Static Bypass Transfer Time
Static Bypass Input Range
Frequency Range
50/60Hz±1Hz, ±2Hz, ±3Hz Adjustable
Bypass --> INV Transfer Time
Frequency Tracking Speed
Manual Maintenance Bypass
Battery Specification
Charging Methods
DSP Controlled Charger: Equalized/Pulse Charge, Float Charge, Intelligent Battery Management
Sealed Lead Acid Maintenance Free
Rated Volts/Units
12V/384Vdc, Std. for 32 Units,adjustable from 28-32 units
Float Charge Voltage
Charging Current
Can be set from the front Screen
Abnormal Protections
BAT over-charged, Emergency charger shutdown protection or UPS shutdown protection
Communication Specification
Communication Port
RS232/SNMP/485/Dry Contact(Optional Accessory)
Remote Software
Multi-functional Monitoring System, Online and BAT Mode Status, BAT Fault, Remote Control
Physical Parameters
Size mm(W×D×H)
800 x 1900 x 800
Net Weight Kg