400kVA Low-Frequency Online UPS | DAXIN 3H3 400K-T

The DAXIN 3H3 400K-T is a 400kVA/360kW low-frequency 3/3 phase double-conversion online UPS designed for large industrial, data center and infrastructure critical-power applications. It supports 380/400/415VAC three-phase operation, >0.99 input power factor, <3% input current THDi, configurable battery technologies and smart-mode efficiency up to 98.5%.

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Descrição

What Is the DAXIN 3H3 400K-T 400kVA Online UPS?

The DAXIN 3H3 400K-T is a 400kVA/360kW low-frequency 3/3 phase double-conversion online UPS designed for large industrial, data center, infrastructure and mission-critical power applications.

Its three-phase input and three-phase output architecture supports facilities operating large three-phase critical loads. The reference configuration supports 380/400/415VAC operation, an input power factor greater than 0.99 and input current THDi below 3%.

The UPS provides 400kVA apparent power and 360kW active power, with static output voltage stability of ±1%, dynamic voltage stability of ±5% within 10ms and a 3:1 crest factor.

Battery technology, bypass configuration, communication interfaces and other project options should be confirmed according to the required backup time, site electrical system and approved DAXIN technical proposal.

Battery Configuration Options

The DAXIN 3H3 400K-T can be engineered with different energy-storage technologies according to project requirements.

  • Valve-regulated sealed lead-acid batteries
  • Nickel-cadmium batteries
  • Supercapacitor systems
  • Lithium battery systems
  • Flywheel energy-storage systems

The final battery technology, capacity and autonomy should be selected according to the connected load, required backup duration, operating environment, lifecycle requirements and project design.

Principais benefícios

  • 400kVA / 360kW Capacity: Designed for large three-phase mission-critical loads.
  • Double-Conversion Online Architecture: Provides continuous conditioned power for critical electrical equipment.
  • 3/3 Phase Configuration: Three-phase input and three-phase output support large industrial and infrastructure electrical systems.
  • Grid-Friendly Input Performance: Input power factor greater than 0.99 and input current THDi below 3% help reduce upstream electrical impact.
  • Saída estável: Static voltage stability of ±1% and dynamic voltage stability of ±5% within 10ms support sensitive critical loads.
  • Strong Overload Capability: The reference specification supports 110% load for 60 minutes, 125% for 10 minutes and 150% for 1 minute.
  • Flexible Energy Storage: Multiple battery and energy-storage technologies can be evaluated according to project requirements.
  • High-Efficiency Smart Mode: Smart-mode efficiency is specified at up to 98.5%.

O que significa “3/3 fases” em um no-break?

Um no-break trifásico 3/3 utiliza energia CA trifásica na entrada e fornece energia CA trifásica na saída.

This architecture is commonly used for high-capacity critical loads in data centers, industrial plants, power infrastructure, transportation systems and other facilities operating large three-phase electrical equipment.

The DAXIN 3H3 400K-T provides a 400kVA/360kW three-phase online UPS platform for these large critical-power applications.

What Should Be Considered When Selecting a 400kVA UPS?

A 400kVA UPS should be selected from the actual critical-load profile rather than nominal capacity alone. Review the connected load in both kW and kVA, power factor, peak demand, future expansion and required operating margin.

For large projects, also evaluate battery autonomy, bypass architecture, upstream and downstream protection coordination, generator compatibility, communication requirements, installation space, ventilation, floor loading and maintenance access.

The DAXIN 3H3 400K-T provides 400kVA apparent power and 360kW active power. DAXIN ENERGY can review the load list, single-line diagram and site conditions before final system configuration.

Visões do produto e referência técnica

DAXIN 3H3 400K-T 400kVA Online UPS Technical Specifications
Technical specifications for the DAXIN 3H3 400K-T 400kVA/360kW three-phase online UPS.
Enclosure and Connection Detail for DAXIN 3H3 400K-T Low-Frequency 3/3 Phase UPS.

Aplicações típicas

  • Large data centers and mission-critical IT facilities
  • Industrial manufacturing and process-control facilities
  • Power generation and utility infrastructure
  • Telecom core facilities
  • Hospitals and healthcare campuses
  • Transportation, railway and tunnel infrastructure
  • Commercial and public infrastructure
  • Other high-capacity three-phase critical-power systems

Seleção e Planejamento do Projeto

Antes de fazer o pedido, verifique se a potência nominal exata, a fase de entrada/saída, a tensão, a frequência, o fator de potência, a tensão da bateria, o tempo de operação, o bypass, os recursos de comunicação, as dimensões, os limites ambientais e o método de instalação correspondem ao modelo selecionado e aos desenhos do projeto.

Perguntas frequentes

Esse produto pode ser configurado para um projeto específico?

Sim. A configuração elétrica, a autonomia da bateria, os sistemas de comunicação, o desvio, a disposição dos gabinetes e os acessórios do projeto podem ser analisados em função dos requisitos do local.

Todas as classificações técnicas são válidas para toda a série?

Não. As especificações e funções variam de acordo com o modelo e a configuração. Utilize a ficha técnica específica do projeto como referência definitiva.

A DAXIN ENERGY pode oferecer suporte na seleção de sistemas?

Sim. Forneça a lista de cargas, a fase e a tensão, o tempo de operação necessário, a meta de redundância, os requisitos de comunicação e o ambiente de instalação.

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Envie os dados de carga, o esquema unifilar, o tempo de backup necessário e as condições do local para receber uma proposta personalizada de UPS ou bateria.

What is the rated capacity of the DAXIN 3H3 400K-T?

The reference model is rated at 400kVA / 360kW.

Is the 3H3 400K-T a double-conversion online UPS?

Yes. The supplied technical specification classifies the system as a double-conversion online UPS.

What input and output voltage does it support?

The reference configuration specifies 380/400/415VAC three-phase input and 380/400/415VAC three-phase + neutral output.

What is the input power factor and THDi?

The reference specification lists an input power factor greater than 0.99 and input current THDi below 3%.

What battery technologies can be used?

The specification lists sealed lead-acid, nickel-cadmium, supercapacitor, lithium and flywheel options. Final selection depends on the project.

What is the efficiency of the 3H3 400K-T?

Smart-mode efficiency is specified at up to 98.5%. Actual operating efficiency depends on operating mode, load and system configuration.

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