Industrial UPS | 80kVA / 64kW | 3 Phase | 480V Wye Systems | Support VRLA battery or LiFePO4 battery
Modern manufacturing plants depend heavily on stable electrical power. CNC machines, PLC systems, robotic production lines, industrial automation equipment, and precision testing instruments are highly sensitive to voltage fluctuations, frequency instability, and sudden power outages.
Even a short interruption lasting less than one second can result in:
For factories operating 24/7, power continuity is no longer optional. A high-performance 80kVA industrial UPS system becomes a critical part of the plant power infrastructure.
Prostar ET80K HV 80kVA Industrial UPS 480V is designed specifically for harsh industrial environments where reliability, load adaptability, and electrical isolation are essential.
Prostar ET80K HV is a 3-phase 480V online double-conversion UPS designed for industrial manufacturing plants requiring stable power for heavy electrical loads. It is designed for 480V industrial manufacturing environments where power interruptions can cause production line downtime.
Industrial facilities often face more severe electrical conditions than commercial buildings.
Typical power issues include:
Large motors, compressors, and welding machines can create sudden voltage drops or spikes.
Variable frequency drives (VFDs) and nonlinear loads generate harmonics that affect sensitive equipment.
Unstable utility grids or generator switching can interrupt production processes.
Industrial machinery often creates heavy startup currents that overload ordinary UPS systems.
EMI and transient interference may affect control systems and industrial communication networks.
A conventional office UPS is usually unable to handle these conditions reliably.

Many standard UPS systems are designed primarily for office IT environments rather than industrial manufacturing.
Typical weaknesses include:
Manufacturing plants require a 80kVA industrial UPS engineered specifically for industrial electrical conditions.
The ET80K HV 480V Industrial UPS is a true online double-conversion UPS developed for mission-critical industrial applications.
It delivers clean and uninterrupted power for manufacturing facilities operating under demanding electrical conditions.
Plant generator engages. Mechanical governor takes 3-5 seconds to stabilize frequency between 58-62 Hz. Commercial UPS sees ±3 Hz deviation, declares utility “unacceptable,” and runs on battery until depleted.
Programmable frequency tolerance up to ±10 Hz plus a dedicated “Generator Mode” that widens acceptance windows while maintaining full double-conversion protection. No battery drain during generator ramp-up.
One of the most important advantages of the ET80K HV industrial UPS is its built-in galvanic isolation transformer. This feature provides complete electrical isolation between the utility input and the critical load.

Industrial environments commonly experience:
The galvanic isolation design is especially valuable for:
The ET80K HV uses online double-conversion architecture to continuously regulate power quality.
The UPS converts incoming AC power into DC and then reconstructs a completely stable AC output.
This architecture eliminates:
As a result, sensitive industrial equipment always receives stable and pure sine wave power.
Advantages include:
The ET80K HV 80kVA industrial UPS supports Cold Start Capability, allowing the UPS to start directly from battery power without utility input.
This function is extremely important during:
With cold start functionality, manufacturing plants can safely initialize critical systems even when utility power is unavailable.
Industrial environments can be extremely challenging for electronic equipment.
The ET80K HV 80kVA industrial ups is designed with a rugged industrial structure suitable for:
Its robust design improves long-term operational reliability and reduces maintenance risk.
| Application | Fit Level | Why? |
| Welding robots (servo-driven) | Excellent | Handles regenerative energy from deceleration. |
| Conveyor systems (multiple motors) | Excellent | 150% overload for 10min supports staggered starts. |
| CNC machining centers | Good | Clean 480V output eliminates spindle controller faults. |
| HVAC for cleanrooms | Moderate | Use with soft-starters; not direct-DOL starters >50HP. |
| Lighting / office loads | Overkill | Use a cheaper 120/208V UPS. |
| Model | ET80K HV |
| UPS Capacity | 80kVA / 64kW |
| Input Info | 480V AC @ 50Hz/60Hz |
| Output Info | 480V AC @ 50Hz/60Hz |
| UPS Topology | Online Double Conversion |
| Transformer | Built-in Galvanic Isolation Transformer |
| Startup Function | Cold Start Supported |
| Communication | RS232 / RS485 / Modbus / SNMP / USB |
| Overload Capacity | 110% (60 min), 125% (10 min), 150% (1 min) |
| Battery Type | VRLA / Lithium-ion |
| Application Environment | Industrial Manufacturing Plants |
| Protection Level | Industrial Grade |


For manufacturing plants using lithium battery energy storage systems, battery visibility is just as important as UPS reliability.
The ET80K HV 80kVA industrial UPS supports communication with high-voltage lithium battery systems through CAN Bus or RS485 protocols. By exchanging data with the BMS, the UPS can display real-time battery information directly on its LCD touchscreen.
This enables maintenance personnel to monitor battery health, identify abnormal cells, and prevent unexpected downtime.

The battery group information page provides a complete overview of the battery system.
Key parameters include:
| Parameter | Description |
| Total Voltage | Total battery pack voltage |
| Total Current | Charging or discharging current |
| SOC | State of Charge |
| SOH | State of Health |
| Battery Status | Charge, Discharge, Standby |
| Fault Codes | BMS alarm and protection information |
For example:
Total Voltage: 512V
SOC: 82%
SOH: 98%
Status: Discharging
These values help operators quickly evaluate battery condition and remaining backup runtime.
The Individual Cell Information page displays detailed voltage and temperature data for each battery cell.

Prostar 3 phase online UPS can display:
This feature helps maintenance teams detect:
before they become critical failures.
In large manufacturing plants, a high-voltage lithium battery bank may contain:
Even a single abnormal cell can reduce the performance of the entire battery system.
By continuously monitoring individual cell data, the ET80K HV UPS helps improve:
| Model | ET80K HV |
| Capacity | 80KVA/64KW |
| Topology | Double conversion online |
| Noise | < 65dB from side 1M |
| Dimension(WxDxH mm) | 1010x700x1600 |
| Weight(Kgs) | 735 |
| 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 |