Description
DX31 H10KL 10kVA 3/1 High-Frequency Online UPS
The DAXIN DX31 H10KL 10kVA 3/1 High-Frequency Online UPS provides online double-conversion protection for sensitive equipment that cannot tolerate interruption or unstable utility power.
It is intended for customers who need a clearly sized UPS platform, scalable backup time and practical communication options without unnecessary oversizing.
Product Video
Reference Specifications
| Model Number | DX31 H10KL |
|---|---|
| Product Name | High Frequency UPS |
| Output Power Factor | 0.8 |
| Net Weight | 9.8kg |
| Power Range | 1K VA |
| Dimensions | 282Ã145Ã220mm |
| Model | 31H10KL |
| Phase | Three in single out |
| Capacity | 10KVA/8KW |
| Input Voltage | 3Ã380/400/415VAC(3PH+N) |
| Output Voltage | 208/220/240VAC |
| Waveform (Battery Mode) | Pure sine wave |
| Model Number | H10KL |
| Manufacturing Origin | China |
Reference values are based on the supplied configuration. Final ratings and options are confirmed in the approved DAXIN ENERGY technical proposal.
Typical Applications
Data and network rooms; telecom systems; industrial automation; medical, laboratory and commercial critical loads.
What to Confirm Before Ordering
Connected load and growth margin; input/output phase and voltage; required runtime; battery architecture; bypass, generator and SNMP requirements.
Frequently Asked Questions
Can this product be customized?
Yes. DAXIN ENERGY can review electrical, mechanical, battery, cooling and communication options against the project requirements.
What information is needed for selection?
Send the load or equipment list, site conditions, required backup time and installation constraints. Our team will prepare a project-specific configuration.
Request a Project Configuration
Contact DAXIN ENERGY for model selection, drawings, technical confirmation and quotation support.
Is This UPS Right for Your Project?
The DAXIN 3H10kVA is a high-frequency online UPS with three-phase input and single-phase output for facilities that need balanced mains loading and protected single-phase equipment.
It fits smaller business, medical and industrial applications that need the 3/1 phase architecture without moving to a 15kVA or 20kVA system.
Typical Applications
- Small server and network rooms
- Medical and diagnostic devices
- Industrial controllers
- Finance, retail and security equipment
What to Confirm Before Ordering
- 10kVA load and output power factor
- Facility input and equipment output voltage
- Required runtime and battery configuration
- EPO, bypass, communications and generator use
Frequently Asked Questions
How should I choose the UPS capacity?
Start with the measured continuous load, startup or peak demand and expected expansion. DAXIN ENERGY can review the load list and recommend a practical operating margin.
How is battery runtime determined?
Runtime depends on load, battery voltage, battery capacity, battery age, temperature and inverter efficiency. Share the required backup duration and normal load for a project calculation.
Can this UPS work with a generator or remote monitoring system?
Generator and monitoring compatibility depends on the selected model and configuration. Confirm generator capacity, frequency stability and the required RS-232, RS-485, USB, Modbus or SNMP interface before ordering.
Request a Project Configuration
Send DAXIN ENERGY the load list, site voltage, required runtime, installation environment, communications and redundancy requirements. The final configuration is subject to the approved technical proposal.
Additional DAXIN High-Frequency UPS Product Video
Watch the product demonstration to review the UPS format, operating interface and application positioning. Final electrical configuration is subject to the approved technical proposal.
What Is the DAXIN 3H10kVA 3/1 Phase Online UPS?
The DAXIN 3H10kVA is a 10kVA/9kW online UPS designed for critical applications requiring three-phase input and single-phase output.
Its 3/1 phase architecture allows facilities with a three-phase AC supply to provide protected single-phase power to critical loads such as industrial control systems, telecom equipment, medical systems and other sensitive electronic equipment.
The UPS provides 0ms mains-to-battery transfer, 208/220/230/240VAC output options, pure online power protection, long-run battery configurations and optional SNMP remote monitoring.
The 3H Series is available in 10kVA, 15kVA, 20kVA and 30kVA models, with electrical, battery and environmental specifications varying by model and project configuration.
Key Benefits
- 3/1 Phase Architecture: Three-phase input and single-phase output for specific industrial and infrastructure distribution systems.
- 10kVA / 9kW Capacity: Supports critical single-phase loads requiring up to 9kW rated active power.
- 0ms Transfer Time: Online UPS architecture maintains output during mains-to-battery transition.
- Wide Output Voltage Options: Supports 208/220/230/240VAC according to configuration.
- Low Output Distortion: ≤3% THD for linear loads and ≤5% for non-linear loads on the 3H10kVA reference configuration.
- Long-Run Battery Support: External battery configurations can be selected according to required backup time.
- Remote Monitoring: Optional SNMP and RS-232/USB communication support UPS supervision and management.
- Project Configuration: Battery, bypass, communications and electrical parameters can be reviewed according to site requirements.
Key Specifications
| Parameter | 3H10kVA |
|---|---|
| Model | 3H10kVA |
| Rated Capacity | 10kVA / 9kW |
| Input Phase | Three-Phase with Neutral Grounded |
| Output Phase | Single-Phase |
| Output Voltage | 208 / 220 / 230 / 240VAC |
| Output Voltage Regulation | ±1% |
| Battery-Mode Frequency | 50Hz ±0.1Hz or 60Hz ±0.1Hz |
| Crest Factor | 3:1 Max |
| Mains-to-Battery Transfer | 0ms |
| Inverter-to-Bypass Transfer | 0ms |
| AC Mode Efficiency | >91% |
| Battery Mode Efficiency | >91% |
| Long-Run Dimensions | 442 × 190 × 318 mm |
| Net Weight | 15 kg |
| SNMP | Optional |
Typical Applications
- Industrial automation and process-control systems
- Telecom and communication infrastructure
- Medical and laboratory equipment
- Transportation and traffic-control systems
- Servers, network equipment and IT systems
- Security and surveillance infrastructure
- Utility monitoring and control equipment
- Critical single-phase loads supplied from three-phase power systems
Product Views and Technical Reference

Typical Applications
Industrial controls, communication systems, transport, medical facilities and projects with three-phase input and single-phase loads.
Selection and Project Planning
Confirm the exact power rating, input/output phase, voltage, frequency, power factor, battery voltage, runtime, bypass, communications, dimensions, environmental limits and installation method against the selected model and project drawings before ordering.
Frequently Asked Questions
What Does 3/1 Phase Mean in a UPS?
A 3/1 phase UPS uses three-phase AC power at the input and supplies single-phase AC power at the output. This configuration is suitable for sites with three-phase utility distribution that need protected single-phase power for critical equipment.
The DAXIN 3H10kVA uses this configuration to support applications where the upstream electrical system is three-phase but the protected load operates on single-phase power.
How to Select a 3/1 Phase Online UPS
Select the UPS according to the total load in kW and kVA, input phase and voltage, required output voltage, power factor, required backup time, battery configuration, bypass requirements, communication interfaces and installation environment.
For a 3/1 phase system, confirm that the facility provides the required three-phase input supply and that the protected equipment requires single-phase output.
Provide DAXIN ENERGY with the load list, single-line diagram, input and output voltage, backup-time requirement and site conditions to determine the appropriate UPS and battery configuration.
Can this product be configured for a specific project?
Yes. Electrical configuration, battery runtime, communications, bypass, cabinet arrangement and project accessories can be reviewed against the site requirements.
Are all technical ratings shared across the full series?
No. Ratings and functions vary by model and configuration. Use the project-specific technical sheet as the final reference.
Can DAXIN ENERGY support system selection?
Yes. Provide the load list, phase and voltage, required runtime, redundancy target, communication requirements and installation environment.
Request a Project Configuration
Send the load data, single-line diagram, required backup time and site conditions to receive a tailored UPS or battery proposal.
Is the DAXIN 3H10kVA a three-phase UPS?
Yes. The 3H10kVA uses three-phase input and is intended to supply single-phase output loads.
What is the rated capacity of the 3H10kVA?
The reference 3H10kVA model is rated at 10kVA / 9kW.
What is the transfer time during a mains failure?
The specified mains-to-battery transfer time is 0ms, with 0ms inverter-to-bypass transfer in the supplied reference specification.
Does the 3H10kVA support external batteries?
Yes. The supplied reference specification includes a long-run battery configuration. Battery quantity and charging parameters depend on the selected configuration and required backup time.
Does it support SNMP monitoring?
Yes. Optional SNMP network management is listed for remote power monitoring and management.









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