ET15K HV ups 15kva 3 phase 480v for reliable power protection
Industrial UPS | 15kVA / 12kW | 3 Phase | 480V Wye Systems | Support VRLA battery or LiFePO4 battery
In modern industrial and commercial environments, power continuity is not optional—it is mission-critical. The UPS 15kVA 3 phase system is essential. It protects sensitive equipment from outages, also guards against voltage instability and grid disturbances.
Enter the ET15K HV UPS 15kVA 3 phase, a high-voltage uninterruptible power supply engineered specifically for 480V three-phase environments.
Prostar ET15K HV ups 15kva 3 phase 480v for reliable power protection is engineered for maximum reliability. It provides electrical isolation and offers load adaptability. This makes it an ideal solution for factories, hospitals, data centers, and critical infrastructure.
What is a UPS 15kVA 3 Phase?
A UPS 15kVA 3 phase is an uninterruptible power supply designed to deliver 15kVA capacity across three-phase electrical systems. It provides:
- Continuous, clean power via double conversion technology
- Protection against blackouts, surges, sags, and harmonics
- Seamless transition to battery during outages
- Stable output for industrial-grade equipment
As a true UPS 15kVA 3 phase unit, it provides 15,000 Volt-Amperes of apparent power. It typically supports a real power load of roughly 12kW. It serves as a firewall between your sensitive equipment and the unpredictable utility grid. This eliminates risks from surges, sags, frequency variations, and total blackouts.
Why Choose ET15K HV UPS 15kVA 3 Phase?
True Online Double Conversion Technology
The ET15K HV reliable industrial UPS 480V uses online double-conversion topology, ensuring:
- Zero transfer time
- Pure sine wave output
- Complete isolation from grid disturbances
This guarantees consistent power quality, even in unstable grid environments.
480V High Voltage Design
Designed for high-voltage industrial applications, the 480V configuration offers:
- Reduced current losses
- Higher efficiency in power transmission
- Compatibility with heavy-duty machinery
It manages 480V 3-phase loads with precision. This makes it ideal for North American industrial standards. It is also perfect for heavy-duty machinery that requires stable, high-tension power.
Built-in Isolation Transformer
A key differentiator of this UPS 15kVA 3 phase ups system is its integrated isolation transformer, which provides:
- Electrical isolation between input and output
- Enhanced safety for sensitive equipment
- Superior noise suppression
- Improved load compatibility
Advanced DSP Control Technology
The industrial ups system integrates digital signal processor (DSP) control, enabling:
- High-speed response to load changes
- Precise voltage and frequency regulation
- Intelligent fault diagnostics
- Enhanced system stability
Intelligence Meets Resilience
Equipped with an intuitive LCD interface and remote monitoring capabilities (SNMP/Modbus), your facility managers can track real-time health metrics. It doesn’t just provide backup; it provides data-driven reliability.
The 15kVA transformer-based UPS, the internal inverter drives the primary winding of the output transformer. This physical separation between the DC bus/battery and the AC load ensures a unique layer of protection. Electronic circuits alone cannot match this protection. The transformer creates a physical “air gap” between the input source and the output load. This protects sensitive equipment from DC offsets, common-mode noise, and catastrophic faults on the utility line.
Technical Specifications
| Feature | Specification |
| Power Capacity | 15kVA / 12kW |
| 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
Application Scenarios for UPS 15kVA 3 Phase
Industrial Manufacturing
- CNC machines
- Production lines
- Automation systems
Medical Facilities
- Imaging systems (CT, MRI)
- ICU equipment
- Laboratory instruments
Critical Infrastructure
- Oil & gas operations
- Transportation systems
- Power substations
Key Advantages Over Standard UPS Systems
Industrial-Grade Reliability
Designed for harsh environments with robust electrical and mechanical architecture.
Enhanced Safety
The isolation transformer significantly reduces:
- Electrical interference
- Ground loop risks
- Equipment damage
Flexible Integration
Supports:
- Generator compatibility
- Parallel operation
- Remote monitoring
How to Choose the Right UPS 15kVA 3 Phase?
When selecting a system, consider:
1. Load Type
- Linear vs non-linear loads
- Balanced vs unbalanced systems
2. Voltage Requirements
- 400V vs 480V systems
- Compatibility with existing infrastructure
3. Isolation Needs
- Sensitive equipment → transformer required
4. Runtime Requirements
- Battery capacity
- Backup duration
FAQ
Q1: Can the ET15K HV UPS system operate on 208V or 380V?
The “HV” model is specifically optimized for 480V nominal systems. Some universal models support a wide range. However, using a dedicated 480V unit like the ET15K HV ensures optimal efficiency. It also ensures component longevity for high-voltage infrastructures. For 208V/380V needs, a different model variant should be selected.
Q2: Can a UPS 15kVA 3 phase handle unbalanced loads?
Yes, advanced ups systems like ET15K HV support 100% unbalanced loads, ensuring stable performance in real-world conditions.
Q3: Can this high voltage UPS 480v handle motor loads?
Absolutely. Many UPS systems struggle with the inrush current of motors. However, Prostar ET15K HV’s robust inverter is specifically designed to handle the dynamic loads common in manufacturing environments.
Q4: Can the ET15K HV industrial ups 15kva 3 phase be paralleled for redundancy?
Yes. The ET15K HV industrial ups 15kva 3 phase supports up to 4 units in parallel (N+1 redundancy or capacity expansion). This allows for 45kVA/45kW of total capacity or the ability to lose one unit without disrupting the critical load.
Q5: Is the ET15K HV 15kVA UPS compatible with lithium-ion batteries?
Absolutely. The UPS features a configurable charge voltage and current profile. It is compatible with both traditional lead-acid (VRLA) and modern Lithium Iron Phosphate (LiFePO4) batteries. This offers a longer lifespan and faster recharge times.
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| Model | ET15K HV |
| Capacity | 15KVA/12KW |
| Topology | Double conversion online |
| Noise | < 65dB from side 1M |
| Dimension(WxDxH mm) | 850x635x1130 |
| Weight(Kgs) | 413 |
| 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) |
| 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 |
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