Features
True Online Double-Conversion
Online double-conversion technology provides continuous power conditioning and stable output power for critical three-phase loads.
3-Phase Input / 3-Phase Output
The UPS supports 3-phase input and 3-phase output, making it suitable for facilities where both mains power and protected loads require three-phase power.
10–20kVA Capacity Range
Available in 10kVA, 15kVA, and 20kVA, with output power ratings of 9kW, 13.5kW, and 18kW.
Pure Sine Wave Output
Pure sine wave output provides clean and stable power for servers, network systems, telecom equipment, industrial controllers, and sensitive electronics.
Output Power Factor 0.9
Output power factor 0.9 delivers strong active power capacity, making the UPS suitable for modern IT, telecom, industrial, and critical power applications.
High Input Power Factor
Input power factor ≥0.99 at 100% load helps improve power efficiency and reduce impact on upstream electrical systems.
Wide Input Voltage Range
The UPS supports a wide input voltage range, helping maintain operation in unstable mains power environments and reducing unnecessary battery discharge.
Stable Output Voltage
Output voltage regulation of ±1% helps provide stable three-phase output power for connected critical equipment.
Zero Transfer Time
Online operation provides zero transfer time from AC mode to battery mode, helping prevent interruption to critical loads.
Low Harmonic Distortion
Output harmonic distortion is controlled to help provide cleaner power for linear and non-linear loads.
ECO Mode for Energy Saving
ECO mode efficiency can reach up to 96%, helping reduce energy consumption when mains power quality is stable.
Standard and Long-Run Battery Options
Standard models include internal battery configurations, while long-run models support external batteries for extended backup time.
Adjustable Battery Numbers
Battery numbers can be adjusted within the supported range, helping match different backup time and project requirements.
External Battery Support
Long-run models allow external battery capacity to be configured according to the required runtime and load demand.
LCD Status Display
The LCD panel provides UPS status, load level, battery level, input/output voltage, discharge timer, and fault information.
Smart RS-232 / USB Communication
Smart RS-232 and USB communication support UPS monitoring and power management with compatible systems.
Optional SNMP Monitoring
Optional SNMP enables network-based UPS monitoring and power management through SNMP manager or web browser.
Audible Alarm System
Audible alarms provide warnings for battery mode, low battery, overload, and fault conditions.
Specifications
| MODEL | LP-3C3-10K/L | LP-3C3-15K/L | LP-3C3-20K/L | |
| PHASE | 3 phase in / 3 phase out | |||
| CAPACITY* | 10000 VA / 9000 W | 15000 VA / 13500 W | 20000 VA / 18000W | |
| INPUT | ||||
| Nominal Voltage | 3×400 VAC (3Ph+N) | |||
| Voltage Range | 190-520 VAC(3-phase)@50%load, 305-478 VAC(3-phase)@100%load | |||
| Frequency Range | 46~54 Hz or 56~64 Hz | |||
| Power Factor | ≧ 0.99 @ 100% load | |||
| OUTPUT | ||||
| Output Voltage | 3×400 VAC (3Ph+N) | |||
| AC Voltage Regulation(Batt.Mode) | ±1% | |||
| Frequency Range(Synchronized Range) | 46~54Hz or 56~64 Hz | |||
| Frequency Range(Batt.Mode) | 50 Hz ± 0.1 Hz or 60 Hz ± 0.1 Hz | |||
| Current Crest Ratio | 3:1(max.) | |||
| Harmonic Distortion | ≦2%THD(Linear Load); ≦5%THD (Non-linear Load) | |||
| Transfer Time | AC Mode to Batt.Mode | Zero | ||
| Inverter to Bypass | Zero | |||
| Waveform(Batt.Mode) | Pure Sinewave | |||
| EFFICIENCY | ||||
| AC Mode | 90.5% | 91.5% | 91.5% | |
| ECO Mode | 96.0% | |||
| Battery Mode | 87.0% | 88.0% | 88.0% | |
| BATTERY | ||||
| Standard Model | Battery Type | 12V / 9Ah | ||
| Numbers | 20 pcs (18 – 20 adjustable)* | 20 pcs (18 – 20 adjustable)*x 2 strings | ||
| Typical Recharge Time | 9 hours recover to 90% capacity | |||
| Charging Current(max.) | 1A | 2A | 2A | |
| Charging Voltage | 273 VDC±1% | |||
| Long-run Model | Battery Type | Depending on the capacity of external batteries | ||
| Numbers | ||||
| Charging Current(max.) | 4A | 4A | 4A | |
| Charging Voltage | 273VDC±1% | |||
| INDICATORS | ||||
| LCD Panel | UPS status,Load level,Battery level,Input/Output voltage,Discharge timer,and Fault | |||
| ALARM | ||||
| Battery Mode | Sounding every 4 seconds | |||
| Low Battery | Sounding every second | |||
| Overload | Sounding twice every second | |||
| Fault | Continuously sounding | |||
| PHYSICAL | ||||
| Standard Model | Dimension,DxWxHmm) | 815 x 250 x 826 | 815 x 250 x 826 | 815 x 250 x 826 |
| Net Weight(kgs) | 109 | 164 | 164 | |
| Long-run Model | Dimension,DxWxH(mm) | 592 x 250 x 826 | 592 x 250 x 826 | 592 x 250 x 826 |
| Net Weight(kgs) | 38 | 40 | 40 | |
| ENVIRONMENT | ||||
| Operation Humidity | 0-95%RH @ 0-40℃ (non-condensing) | |||
| Noise Level | Less than 60dB @1 Meter | Less than 65dB @1 Meter | ||
| MANAGEMENT | ||||
| Smart RS-232/USB | Supports Windows®2000/2003/XP/Vista/2008,Windows®7/8/10,Linux and MAC | |||
| Optional SNMP | Power management from SNMP manager and web browser | |||
| *When using batteries from 18-19, the unit will de-rate according to below formula: P=Prating x N/20. | ||||
| *Product specifications are subject to change without further notice. | ||||
Applications
Server Rooms
Provides stable three-phase backup power for servers, storage systems, switches, firewalls, and IT infrastructure.
Small Data Centers
Suitable for small data centers and critical IT rooms requiring reliable three-phase online power protection.
Network and Communication Rooms
Supports routers, switches, telecom systems, transmission equipment, and communication infrastructure.
Industrial Control Systems
Helps protect PLC systems, industrial PCs, monitoring devices, control room equipment, and automation-related electronics.
Medical IT Equipment
Suitable for healthcare IT rooms, medical workstations, diagnostic support systems, and selected sensitive medical electronics.
Financial and Banking Systems
Provides backup power for bank IT rooms, payment systems, transaction equipment, branch infrastructure, and security systems.
Commercial Buildings
Supports centralized backup power for office IT rooms, communication systems, security systems, and business-critical equipment.
Security and Surveillance Systems
Protects CCTV systems, NVRs, access control systems, alarm systems, and security network equipment.
Long Backup Time Projects
Long-run external battery configurations make it suitable for sites requiring extended backup time or unstable grid conditions.
Frequently Asked Questions
What is this 3P/3P online UPS used for?
This UPS is designed to provide reliable backup power and power protection for servers, network equipment, telecom systems, industrial control devices, medical IT systems, financial systems, and other critical three-phase loads.
What does 3P/3P mean?
3P/3P means 3-phase input and 3-phase output. It is suitable for applications where both the incoming power supply and protected equipment require three-phase power.
What capacity range is available?
This UPS is available in 10kVA, 15kVA, and 20kVA, with output power ratings of 9kW, 13.5kW, and 18kW.
What is the output power factor?
The UPS provides an output power factor of 0.9, delivering strong active power capacity for critical loads.
Does this UPS provide pure sine wave output?
Yes. It provides pure sine wave output, making it suitable for servers, telecom equipment, industrial control systems, medical IT equipment, and sensitive electronics.
Does this UPS have zero transfer time?
Yes. As an online double-conversion UPS, it provides zero transfer time during mains power interruptions.
Does this UPS support ECO mode?
Yes. ECO mode can improve operating efficiency when input power quality is stable and suitable.
Does this UPS support long backup time?
Yes. Long-run models support external batteries, allowing backup time to be configured according to load and runtime requirements.
What battery configuration does this UPS use?
The standard configuration uses 12V / 9Ah batteries. Battery numbers can be adjusted within the supported range depending on model and project requirements.
What communication options are available?
The UPS supports smart RS-232 and USB communication, with optional SNMP for network-based monitoring and power management.
Is this UPS suitable for data centers?
It is suitable for small data centers, server rooms, network rooms, and critical IT infrastructure. For larger or scalable data centers, a modular UPS or higher-capacity 3-phase UPS may be more suitable.
What information is needed to choose the right model?
To recommend the right model, the following information is usually required: load capacity, input/output voltage, backup time, battery configuration, installation environment, monitoring requirements, and whether standard or long-run battery configuration is needed.












