ET30K HV 3 phase 30kva power backup ups 480v for industrial use

Industrial UPS | 30kVA / 24kW | 3 Phase | 480V Wye Systems | Support VRLA battery or LiFePO4 battery

SKU: ET30K HV Category:

In modern industrial environments, stable and uninterrupted power is mission-critical. Prostar ET30K HV 3 phase 30kVA power backup UPS is engineered to deliver robust power protection. It provides high-performance power protection for factories, heavy machinery, and critical infrastructure.

Designed with a 480V input/output configuration and built-in isolation transformer, this UPS ensures maximum reliability under harsh electrical conditions.

Prostar ET30K HV 30kVA power backup UPS for workshop operations

What is a 30kVA Power Backup UPS?

A 30kVA power backup UPS is a high-capacity uninterruptible power supply. It is designed to provide continuous power during outages. It also functions during voltage fluctuations or grid instability.

The industrial UPS system is widely used in:

  • Manufacturing plants
  • CNC machinery systems
  • Oil & gas facilities
  • Industrial automation lines
  • Critical infrastructure systems

Why Industrial Facilities Demand a 30kVA Power Backup UPS

When specifying power protection for industrial applications, capacity and topology are non-negotiable. A 30kVA power backup UPS occupies a critical performance tier. It is substantial enough to power entire workshop sections, HVAC control systems, or precision CNC machinery. It is also efficient enough to integrate into existing electrical infrastructures without excessive cooling demands.

The ET30K HV stands out by operating at a native 480V input and output. This is the standard for heavy industrial equipment in North America and other global markets. By maintaining voltage consistency at this level, the unit removes the necessity for costly step-down transformers. These transformers introduce failure points and decrease overall system efficiency.

Key Features of Heavy Industrial UPS

High Capacity

Provides 30kVA of reliable power, ensuring that industrial equipment and systems can operate without interruption.

Industrial-Grade Transformer-Based Design

The ET30K HV integrates  isolation transformer, delivering:

  • Electrical isolation between input and output
  • Enhanced safety for sensitive equipment
  • Superior resistance to voltage spikes

True 3 Phase 480V Power System

This UPS operates with 3 phase 480V UPS system architecture, making it ideal for industrial loads:

  • Stable high-voltage output
  • Reduced current stress
  • Improved system efficiency

100% Unbalanced Load Capability

Unlike conventional UPS systems, the ET30K HV supports:

  • Full load imbalance across phases
  • Reliable operation for asymmetrical industrial equipment
  • No derating under uneven load conditions

User-Friendly Interface

Features an LCD display for easy monitoring and management of power status and system performance.

Built for Harsh Industrial Environments

This 30kva power backup ups is engineered to withstand the challenges of industrial settings. It handles high loads and continuous operation. It also meets sensitive equipment requirements. Its rugged design and advanced cooling system ensure stable performance even under heavy usage.

480V UPS Diagram

ET30K HV UPS provides consistent and clean power output, making it ideal for heavy‑duty applications. Its true online double‑conversion technology guarantees maximum protection against surges, spikes, harmonics, and electrical noise.

 

Prostar 3 Phase ET 480V online double conversion UPS Connection Diagram

Technical Specifications

Feature Specification
Power Capacity 30kVA / 24kW
Phase 3 Phase In / 3 Phase Out
Input/Output Voltage 480VAC (High Voltage Range)
Topology Online Double Conversion
Transformer Built-in Isolation Transformer
Load Capability 100% Unbalanced Load
Efficiency Up to 96% in ECO Mode
Battery Type External Battery Bank
Communication RS232 / RS485 / USB / Dry Contacts / SNMP (Optional)
Application Industrial, Medical, Server Rooms

LCD Display Show

Prostar 3 Phase Industrial Online UPS with transformer Online Mode

Prostar 3 Phase Industrial Online UPS with transformer Battery Mode

 

Industrial UPS Inner Transformer

Prostar ET HV 480V UPS system with isolation transformer for heavy industry backup

Industrial Applications of 30kVA UPS Systems

The ET30K HV 30kVA power backup UPS is optimized for demanding industrial scenarios:

Manufacturing & Production Lines

Ensures uninterrupted operation of automated machinery and reduces downtime losses.

CNC Machines & Robotics

Provides stable voltage to precision equipment, preventing errors and damage.

Oil & Gas Industry

Delivers reliable backup power in remote and harsh environments.

Critical Infrastructure

Supports essential systems such as power plants, transportation hubs, and utilities.

FAQ

Q1: What makes a 30kVA power backup UPS suitable for industrial use?

Its high capacity, 3-phase design, and ability to handle heavy and unbalanced loads make it ideal for industrial applications.

Q2: Why is a transformer important in an industrial UPS?

A transformer provides electrical isolation, improves safety, and enhances resistance to voltage disturbances.

Q3: Can this 3 phase 480V UPS system support uneven loads across phases?

Yes, the ET30K HV supports 100% unbalanced loads without performance degradation.

Q4: Is this 3 phase UPS suitable for data centers?

No. This model is optimized for industrial environments, not IT or server applications.

Q5: How long can the 30kva power backup UPS run?

Runtime depends on the battery configuration. The system supports scalable battery packs to meet different backup duration needs.

 

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Looking for a reliable 30kVA power backup UPS for industrial use?

Contact us today to get:

  • Technical consultation
  • Custom power solutions
  • Competitive pricing

Upgrade your facility with the ET30K HV industrial UPS system and ensure uninterrupted productivity.

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    Model ET30K HV
    Capacity 30KVA/24KW
    Topology Double conversion online
    Noise < 65dB from side 1M
    Dimension(WxDxH mm) 870x700x1300
    Weight(Kgs) 573
    INPUT
    Nominal Voltage 480Vac, 3P+N+PE
    Voltage Range 384 – 576Vac
    Rated Frequency 50Hz/60Hz (Automatically)
    Frequency Range 40Hz – 70Hz
    Power Factor ≥0.95
    Input Current Limit 1.25 x rated input current (settable from 0.1 to 1.25)
    THDi < 3% at full load
    OUTPUT
    Output Rated Voltage 480Vac,  208Vac/220Vac
    Voltage Regulation ± 1%
    Frequency Mains mode: synchronized with bypass input
    50Hz/60Hz±0.01%(By Battery)
    THDu <2% at 100% liner load, <5% at 100% non-liner load
    Overload Capacity 105-110%: 60 mins, 110-125%: 10 mins, 125-150%: 1 min, >150%: 200ms
    Crest Factor 3:1
    Wave Form Pure sine wave
    Transfer Time 0ms
    ECO MODE
    Bypass Output Voltage Range Upper limit: default 5% (adjustable 5%/10%/15%)
    Lower limit: default 5% (adjustable 5%/10%/15%)
    Bypass Output Frequency Range Default +/-2Hz (adjustable +/-1Hz, +/-2Hz, +/-3Hz)
    EFFICIENCY
    Efficiency at full load(AC-AC) > 93%
    Efficiency at ECO Mode > 98%
    BATTERY
    Battery Type Support VRLA battery or LiFePO4 battery option
    Battery Voltage 360Vdc default, 336-384VDC
    Battery Charging Currency Default 0.2C, adjustable from 0C to 5C depending on battery specification and configuration
    SYSTEM
    Protection Input over-voltage, under-voltage; output overload, shortcircuit; Inverter over-temperature; Battery under-voltage,over-voltage, fan failure
    IP Level IP31
    Parallel Number Up to 8 units
    Cooling Method Forced air cooling (fans)
    Display 7-inch color LCD touch screen
    Audible Alarm Audible and visual alarms prioritized by fault severity
    ENVIRONMENT
    Operating Temperature 0℃ to 40℃
    Storage Temperature -20℃ to 55℃
    Humidity 0~95% (non-condensing)
    Altitude <1000m (with increase of 100m,it will reduce output of 1%)
    COMMUNICATION
    Communication Interface RS232,RS485, USB, Dry contact, EPO (option: battery temperature compensation)
    Intelligent Slot Support SNMP card / web interface for advanced remote monitoring, management, and network integration