Low Frequency Online Industrial Uninterruptible Power Supply UPS Battery Backup 300kVA
For mission-critical applications such as large-scale data centers, industrial manufacturing lines, medical imaging facilities, and financial transaction systems, the Low Frequency Online Industrial UPS with filtering function stands as an uncompromising power protection solution. Engineered to deliver the highest levels of reliability and performance, it ensures that your most vital operations remain unaffected by the most severe grid disturbances.
This 300kVA industrial-grade UPS features a robust low-frequency transformer-based design, renowned for its durability and ability to withstand harsh electrical environments. Its advanced double-conversion topology guarantees a continuous, clean power supply, while the integrated filtering function provides exceptional isolation from grid noise and harmonics. Designed for professional high-power equipment rooms, it offers a peak efficiency of 96.5%, significantly reducing operational costs over its long service life. Compliant with the most stringent international standards, it is the ultimate safeguard for applications where power failure is not an option.
Product Family
| Model No. | System Capacity | Input Voltage | Output Voltage | Efficiency | Wiring |
|---|---|---|---|---|---|
| SYG1600L33-N › | 160kVA / 144kW | 380/400/415VAC | Line Voltage: 380x (±1%) VAC or Phase Voltage: 220x (±1%) VAC | 94% (With Optional Accessories); 98% (ECO mode) | 3 phase + PE |
| SYG2000L33-N › | 200kVA / 180kW | 380/400/415VAC | Line Voltage: 380x (±1%) VAC or Phase Voltage: 220x (±1%) VAC | 94% (With Optional Accessories); 98% (ECO mode) | 3 phase + PE |
| SYG2500L33-N › | 250kVA / 225kW | 380/400/415VAC | Line Voltage: 380x (±1%) VAC or Phase Voltage: 220x (±1%) VAC | 94% (With Optional Accessories); 98% (ECO mode) | 3 phase + PE |
| SYG3000L33-N › | 300kVA / 270kW | 380/400/415VAC | Line Voltage: 380x (±1%) VAC or Phase Voltage: 220x (±1%) VAC | 94% (With Optional Accessories); 98% (ECO mode) | 3 phase + PE |
| SYG4000L33-N › | 400kVA / 360kW | 380/400/415VAC | Line Voltage: 380x (±1%) VAC or Phase Voltage: 220x (±1%) VAC | 94% (With Optional Accessories); 98% (ECO mode) | 3 phase + PE |
| SYG5000L33-N › | 500kVA / 450kW | 380/400/415VAC | Line Voltage: 380x (±1%) VAC or Phase Voltage: 220x (±1%) VAC | 94% (With Optional Accessories); 98% (ECO mode) | 3 phase + PE |
| SYG6000L33-N › | 600kVA / 540kW | 380/400/415VAC | Line Voltage: 380x (±1%) VAC or Phase Voltage: 220x (±1%) VAC | 94% (With Optional Accessories); 98% (ECO mode) | 3 phase + PE |
Product Features

Superior Performance & Protection
The unit leverages advanced IGBT technology to achieve ultra-low harmonic distortion (THDi < 4%) and a near-unity input power factor, minimizing its impact on the utility grid and maximizing energy efficiency. Its robust transformer-based design, combined with comprehensive overload and short-circuit protection, ensures unparalleled reliability and safeguards your critical loads from all manner of electrical threats.
Robust Design & Smart Management
Built with premium components from leading global brands and subjected to rigorous testing, this UPS is engineered for a long and dependable service life in the most demanding industrial environments. It features an intuitive multi-language LCD display and supports a full suite of communication protocols (RS232, RS485, SNMP) for seamless remote monitoring and management. The front-access maintenance design ensures that servicing is quick and efficient, minimizing downtime.

Featured Types of UPS Series
With diverse UPS series spanning industrial-grade resilience, highly scalable modularity, and smart space-efficient designs, Soeteck delivers fully personalized, industry-leading high-availability power solutions to safeguard all critical electronics with unwavering reliability.
1-60 kVA
Rack/Tower UPS
rack/tower convertible, space-saving, cost-effective, suitable for small-to-medium devices.
1-600 kVA
Industrial UPS
3-phase unbalance allowed, high overload, ideal for critical industrial & healthcare scenarios.
1-1200 kVA
Tower Online UPS
high-frequency, wide input range, high integration, fits small server rooms to large facilities.
20-1600 kVA
Modular Online UPS
hot-swappable modules, N+X redundancy, flexible expansion for dynamic load demands.
APPLICATIONS
FAQ
1. How elevates transformer-based design anti-interference?
2. What value brings IGBT rectifier with THDi<4%?
3. Can front maintenance reduce on-site service downtime?
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