Features
True Online Double-Conversion
Provides continuous power conditioning and stable output power for critical single-phase loads.
3-Phase Input / Single-Phase Output
Suitable for facilities with 3-phase utility power and critical single-phase equipment.
15–20kVA Capacity Range
Available in 15kVA / 12kW and 20kVA / 16kW, suitable for medium-size IT and critical power applications.
DSP Control Technology
DSP control improves UPS performance, response accuracy, and system reliability.
Output Power Factor 0.8
Output power factor 0.8 provides practical active power capacity for servers, telecom equipment, industrial controllers, and commercial systems.
Active Power Factor Correction
Active power factor correction helps improve input power quality and reduce upstream power impact.
Pure Sine Wave Output
Pure sine wave output provides clean and stable power for sensitive electronic equipment.
Zero Transfer Time
Online double-conversion design provides zero transfer time during mains power interruptions.
Wide Input Voltage Range
Wide input voltage range helps maintain stable UPS operation in unstable power environments.
Frequency Converter Mode
Supports 50Hz/60Hz frequency converter mode for special power frequency requirements.
ECO Mode for Energy Saving
ECO mode improves operating efficiency when input power quality is stable.
Generator Compatible
Supports generator input for backup power systems.
Emergency Power Off Function
EPO supports fast shutdown in emergency situations when properly connected.
Maintenance Bypass Available
Maintenance bypass helps simplify service and maintenance while supporting power continuity when properly configured.
3-Stage Extendable Charging Design
The charging design helps optimize battery charging performance and supports different battery configurations.
Adjustable Battery Numbers
Battery numbers can be adjusted according to system and backup time requirements.
Multiple Communication Interfaces
SNMP, USB, and RS-232 support monitoring, communication, and power management.
LCD Status Display
LCD display provides UPS status, load level, battery level, input/output voltage, discharge time, and fault information.
Specifications
| MODEL | 3/1-15K (L) | 3/1-20K (L) | |
| PHASE | 3-phase in / 1-phase out | ||
| CAPACITY | 15000 VA / 12000 W | 20000 VA / 16000 W | |
| INPUT | |||
| Nominal Voltage | 3 x 400 VAC (3Ph+N) | ||
| Voltage Range | 190-520 VAC (3-phase) @ 50% load ; 305-478 VAC (3-phase) @ 100% load | ||
| Frequency Range | 46~54Hz or 56~64Hz | ||
| Power Factor | ≧ 0.99 @ 100% Load | ||
| THDi | < 6% @ 100% load | ||
| OUTPUT | |||
| Output Voltage | 208/220/230/240VAC | ||
| AC Voltage Regulation (Batt. Mode) | ± 1% | ||
| Frequency Range (Synchronized Range) | 46~54Hz or 56~64Hz | ||
| 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 (Line ar 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 | 91.8% | 91.8% | |
| ECO Mode | 97% | 97% | |
| Battery Mode | 88% | 88% | |
| BATTERY | |||
| Standard Model | Battery Type | 12 V / 9 Ah | |
| Numbers | 20 pcs (18 – 20 pcs adjustable)* x 2 strings | ||
| Typical Recharge Time | 9 hours recover to 90% capacity | ||
| Charging Current (max.) | 2A | 2A | |
| Charging Voltage | 273 VDC ± 1% (Based on 20pcs batteries) | ||
| Long-run Model | Battery Type | Depending on applications | |
| Numbers | |||
| Charging Current (max.) | 8A | 8A | |
| Charging Voltage | 273 VDC ± 1% (Based on 20pcs batteries) | ||
| INDICATORS | |||
| LCD Display | UPS status, Load level, Battery level, Input/Output voltage, Discharge timer, and Fault conditions | ||
| ALARM | |||
| Battery Mode | Sounding every 4 seconds | ||
| Low Battery | Sounding every second | ||
| Overload | Sounding twice every second | ||
| Fault | Continously sounding | ||
| PHYSICAL | |||
| Standard Model | Dimension, D x W x H (mm) | 815 x 250 x 826 | |
| Net Weight (kgs) | 164 | 164 | |
| Long-run Model | Dimension, D x W x H (mm) | 592 x 250 x 576 | 592 x 250 x 576 |
| Net Weight (kgs) | 40 | 40 | |
| ENVIRONMENT | |||
| Operating Humidity | 0-95 % RH @ 0- 40°C (Non-condensing) | ||
| Noise Level | Less than 60dB @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 | ||
| * L means long-run model. | |||
| **When using internal batteries from 18-19, the unit will de-rate according to below formula: P = PRating x N/20. | |||
| **Derate capacity to 90% of capacity when the output voltage is adjusted to 208VAC. | |||
| Product specifications are subject to change without further notice. | |||
Applications
Medium Server Rooms
Provides stable backup power for servers, switches, firewalls, storage systems, and network infrastructure.
Telecom Rooms
Suitable for telecom systems, communication equipment, and transmission infrastructure.
Industrial Control Rooms
Helps protect PLC systems, industrial PCs, monitoring devices, and control room electronics.
Medical IT Systems
Supports healthcare IT rooms, diagnostic support systems, and selected sensitive medical electronics.
Financial Systems
Provides backup power for bank IT rooms, payment systems, transaction equipment, and security infrastructure.
Commercial IT Infrastructure
Protects business servers, network cabinets, VoIP systems, office IT systems, and security devices.
Security and Surveillance Systems
Supports CCTV, NVR, access control, alarm systems, and security networks.
Frequently Asked Questions
What is this 15–20kVA 3P/1P online UPS used for?
It is designed to protect server rooms, telecom systems, network infrastructure, industrial control systems, medical IT equipment, and commercial critical loads.
What capacities are included in this part?
This part includes 15kVA / 12kW and 20kVA / 16kW models.
What does 3P/1P mean?
3P/1P means 3-phase input and single-phase output.
Does this UPS support maintenance bypass?
Yes. Maintenance bypass is available, helping simplify maintenance when properly configured.
Does this UPS support long backup time?
Yes. Adjustable battery numbers and long-run battery configurations can support extended backup time.
What communication options are available?
SNMP, USB, and RS-232 communication options are available for monitoring and management.
Can this UPS work with generators?
Yes. It is generator compatible.
Is this UPS suitable for industrial applications?
Yes. It can be used for industrial control rooms, PLC systems, monitoring equipment, and automation-related electronics.
