Three Phase UPS Systems
10 kVA to 1.2 MW
Online double-conversion three-phase UPS systems from 10 kVA to 1.2 MW for data centers, industrial automation, telecom, healthcare and critical infrastructure projects. ATENCO offers 3:1, 3:3, tower, rack, transformer-based and modular UPS configurations with external battery runtime, SNMP / Modbus monitoring, parallel redundancy and PF 1.0 options available by series.
Online Three-Phase UPS Systems for Data Centers, Industrial Loads and Critical Power
From 3:1 tower/rack UPS systems to 3:3 standalone, transformer-based and modular UPS platforms, ATENCO provides three-phase online UPS solutions from 10 kVA to 1.2 MW for data centers, telecom, healthcare, industrial automation and critical infrastructure projects.
Online 3:1 Tower UPS 10–20 kVA
3-phase input sites with single-phase critical loads.
- Three-phase input / single-phase output UPS
- Online double-conversion VFI with IGBT + DSP
- Wide input voltage range, pure sine wave output
- External battery runtime by configuration
- Generator-compatible by configuration
Online 3:1 Rack UPS 6–10 kVA
Rack-based 3:1 UPS installations for high-density IT.
- Three-phase input / single-phase output rack UPS
- 2U / 4U rack-tower convertible design by model
- Online double-conversion VFI with DSP control
- External / hot-swap battery options by model
- Online efficiency up to 93.5%
Online 3:3 Tower UPS 50–200 kVA
Large data center, industrial and facility loads.
- 3:3 online UPS with 3-Level IGBT + DSP control
- Output PF 1.0 (kW = kVA)
- VRLA and lithium battery support by configuration
- Parallel up to 8 units for N+X redundancy
- LBS dual-system sync, by configuration
Modular 3-Phase UPS 40 kVA to 1.2 MW
Scalable modular UPS and N+X data center redundancy.
- Modular online VFI UPS architecture
- Hot-swappable modules (power, bypass, control)
- Output PF 1.0 (kW = kVA)
- N+X redundancy and capacity expansion
- For data center and large industrial systems
Transformer-Based UPS 10–800 kVA
Transformer-based industrial UPS and isolation-type projects.
- Transformer-based online double-conversion UPS
- Dual DSP control, output PF 0.9
- Transformer-based architecture for industry
- Parallel / LBS sync by configuration
- Generator-compatible, up to 94% efficiency
Three Phase UPS Comparison Table
Compare ATENCO 3:1, 3:3, rack-mounted, transformer-based and modular online UPS systems by capacity, phase, power factor, redundancy and application.
| Series | Architecture | Capacity | Phase | PF | Best For | Redundancy / Runtime | Efficiency | |
|---|---|---|---|---|---|---|---|---|
|
3:1 online tower UPS | 10–20 kVA | 3:1 | 0.9 | Three-phase input sites with single-phase critical loads | External battery runtime by configuration | Up to 94% | Details → |
|
3:1 rack/tower online UPS | 6–10 kVA | 3:1 | 0.9 | Rack-based telecom, IT and control-room loads | External / hot-swap battery options by model | Up to 93.5% | Details → |
|
3:3 online tower UPS | 10–40 kVA | 3:3 | 1.0 | Small / medium 3-phase data center, facility and industrial loads | Parallel redundancy and external battery runtime by configuration | Up to 94.5% | Details → |
|
3:3 standalone online UPS, 3-Level IGBT | 50–200 kVA | 3:3 | 1.0 | Medium / large data center, healthcare, telecom and industrial loads | Parallel up to 8 units and LBS by configuration; VRLA / lithium battery support by project | Up to 95.5% | Details → |
|
3:3 rack-mounted online UPS | 10–50 kVA | 3:3 | 1.0 | Edge data centers, server racks and compact 3-phase IT power | Parallel / LBS options by model and configuration | Up to 95.5% | Details → |
|
Modular online UPS platform | 40 kVA to 1.2 MW | 3:3 | 1.0 | Scalable data center and large industrial N+X systems | Hot-swappable modules, N+X redundancy and external battery runtime by configuration | Up to 96.5% | Details → |
|
Transformer-based online UPS | 10–800 kVA | 3:3 | 0.9 | Industrial transformer-based UPS and robust power-conditioning projects | Parallel / LBS / generator-compatible configuration by project | Up to 94% | Details → |
30+ Years
UPS industry experience
50+ Countries
Distributor network worldwide
0 ms Online Transfer
Zero-transfer online double-conversion
CE / IEC 62040
Safety & EMC standards by series
Size the Right Three-Phase UPS
System for Your Project
Share your load list, redundancy plan, site voltage, input/output phase, backup-time target, battery preference, installation space and monitoring requirements. ATENCO will recommend the suitable standalone, rack, transformer-based or modular three-phase UPS configuration from 10 kVA to 1.2 MW.
Send Project Requirements
Share your single-line diagram or load list, target backup time, redundancy plan (N, N+1, N+X), site voltage, ambient conditions and installation constraints.
Receive UPS Selection & Sizing
ATENCO engineers respond with the recommended TM31E, RM31E, TM33E, TM33-ET or TM66E configuration, battery / runtime options and monitoring setup matched to your project.