Description
High-Frequency 3/1 Phase Online UPS 10kVA-30kVA
DAXIN high-frequency 3/1 phase online UPS is designed for industrial,
commercial and critical power applications that require stable, reliable
and continuous power protection. The system adopts true online double
conversion technology, MCU + DSP digital control, LCD management and
multiple protection functions to ensure safe operation under demanding
environments.
Reliable Online Double Conversion Design
This UPS series provides true online double conversion power protection,
delivering stable output voltage and frequency for sensitive equipment.
It is suitable for industrial control systems, communication equipment,
security systems, data rooms, tunnel projects, public facilities and other
critical loads.
- True online double conversion UPS topology
- Three-phase input and single-phase output design
- Compatible with generator input
- Optional output isolation transformer before factory delivery
- Standard EPO emergency power-off function
- MCU + DSP chip control for stable system operation
Flexible Battery and Charging Configuration
The UPS supports flexible battery quantity and charging current settings
according to site requirements. This helps installers adapt the system to
different backup time, battery bank and project configuration needs.
- Battery quantity configurable from 16 to 20 batteries
- Charging current adjustable from 1A to 4A
- Default charging current: 4A per charging board
- Available power factor options: PF 0.8 and PF 0.9
- Automatic startup after mains power recovery
Comprehensive UPS Protection Functions
The system integrates multiple protection functions to improve reliability
and reduce operation risks. It protects the UPS and connected loads from
overload, short circuit, overheating, low battery voltage and battery
overcharging.
- Output overload protection
- Output short-circuit protection
- Inverter over-temperature protection
- Battery low-voltage warning protection
- Battery overcharge protection
- Optional manual maintenance bypass switch
LCD Display and Intelligent Monitoring
The LCD display records UPS operating status and system parameters in real
time, making it easier for users to monitor and manage the UPS. RS232,
RS485 and optional SNMP network adapters support communication with UPS
monitoring software for remote management.
- LCD display for real-time UPS status
- RS232 / RS485 communication interface
- Optional SNMP network monitoring
- Compatible with intelligent UPS monitoring software
- Clear display of UPS operating parameters
High Environmental Adaptability
The circuit boards are installed in a fully enclosed space and treated with
conformal coating for moisture-proof, dust-proof and anti-corrosion
protection. This makes the UPS suitable for harsh environments such as
tunnels, squares, industrial sites and outdoor-related facilities.
Technical Specifications
The following specifications cover 3H10kVA, 3H15kVA, 3H20kVA and 3H30kVA
models. Custom configurations are available according to project requirements.
Technical Specifications
The following specifications cover DAXIN high-frequency 3/1 phase online UPS
models from 10kVA to 30kVA for industrial and commercial backup power applications.
| Model | 3H10kVA | 3H15kVA | 3H20kVA | 3H30kVA |
|---|---|---|---|---|
| Capacity | 10kVA / 9kW | 15kVA / 13.5kW | 20kVA / 18kW | 30kVA / 24kW |
| Input | ||||
| Phase | Three-phase + Ground | Three-phase + Ground | ||
| Voltage Range | 110VAC ±3% to 300VAC ±3%, depending on load | 110VAC ±3% to 300VAC ±3%, depending on load | ||
| Frequency Range | 46-54Hz @ 50Hz system / 56-64Hz @ 60Hz system | |||
| Input Power Factor | N/A | ≥ 0.99 at 100% load | ||
| Output | ||||
| Output Voltage | 208 / 220 / 230 / 240VAC | |||
| AC Voltage Regulation | ±1% | |||
| Output Frequency | 50Hz ±0.1Hz or 60Hz ±0.1Hz in battery mode | |||
| Current Crest Ratio | 3:1 max | |||
| Transfer Time | 0ms | |||
| Efficiency | ||||
| AC Mode | > 91% | > 90% | ||
| Battery Mode | > 91% | > 88% | ||
| Battery | ||||
| Battery Type | 12V lead-acid battery | Lead-acid battery | ||
| Battery Quantity | 16-20 batteries | 18-20 batteries | ||
| Charging Current | Default 4A ±10%; optional 1A, 2A, 4A | 12A ±10% | ||
| Physical | ||||
| Dimensions | 442 × 190 × 318 mm | 592 × 250 × 576 mm | 592 × 250 × 576 mm | 910 × 380 × 910 mm |
| Net Weight | 15 kg | 24.5 kg | 28.5 kg | 67.3 kg |
| Operating Environment | ||||
| Operating Temperature | 0°C to 50°C | 0°C to 40°C | ||
| Relative Humidity | < 95%, non-condensing | |||
| Operating Altitude | < 1000 m | |||
| Noise Level | < 60dB @ 1 meter | < 65dB @ 1 meter | ||
| Management | ||||
| Smart RS232 / USB | Supports Windows, Linux, Unix and Mac systems | |||
| Optional SNMP | SNMP power management and network monitoring supported | |||
Specifications are subject to change without prior notice. Custom battery,
charging current, monitoring and transformer configurations are available
according to project requirements.
Typical Applications
- Industrial control systems
- Telecom and communication equipment
- Data rooms and small data centers
- Security and monitoring systems
- Transportation, tunnels and public facilities
- Commercial buildings and critical power loads
FAQ
What is a high-frequency 3/1 phase online UPS?
A high-frequency 3/1 phase online UPS is a three-phase input and
single-phase output uninterruptible power supply that uses online double
conversion technology to provide stable and reliable backup power for
critical loads.
Can this UPS work with a generator?
Yes. This UPS series is compatible with generator input. For stable
operation, the generator capacity is recommended to be at least twice the
UPS capacity.
Does the UPS support parallel operation?
Yes. Parallel models support up to three UPS units in parallel, helping
improve system capacity and redundancy for critical power applications.
Can the battery quantity be adjusted?
Yes. The battery quantity can be configured from 16 to 20 batteries
according to site requirements and backup time needs.
Is SNMP monitoring available?
Yes. The UPS supports RS232 and RS485 communication, and optional SNMP
network adapters are available for remote monitoring and intelligent power
management.
Need a Reliable UPS Backup Power Solution?
Contact DAXIN ENERGY for model selection, technical configuration and
project support for industrial UPS applications.
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