15kVA Online Modular UPS Systems For Small Business IT Infrastructure
As small-to-medium businesses scale up their IT infrastructure.The Rack and Tower Modular UPS with 5kVA Power Module is engineered to bridge this gap, offering the right balance of capacity, installation flexibility and reliable performance to safeguard growing critical IT loads.
Powered by three hot-swappable 5kVA modules, this 15kVA system is designed for both immediate use and future expansion. It fits effortlessly into 19-inch standard racks for centralized server rooms or operates as a standalone tower unit for distributed IT spaces, requiring no complex on-site modifications. Leveraging advanced power conversion technology, it maintains high energy efficiency during daily operations and meets global safety certifications. For businesses needing a scalable power backup that adapts to diverse space layouts and growing load demands, this UPS delivers a hassle-free, future-proof solution.
Product Family
| Model No. | System Capacity | Module Power | Input Voltage | Output Voltage | Efficiency | Wiring |
|---|---|---|---|---|---|---|
| SYM3120/05DS › | 5kVA | 5kVA × 1 | 277~478VAC (Line Voltage), 147~277VAC (Line Voltage) at full load, linearly derating from 100% to 50% load | 220/230/240VAC | ≥94.5% (Normal mode) | 3 phase N PE |
| SYM3120/10DS › | 10kVA | 5kVA × 2 | 277~478VAC (Line Voltage), 147~277VAC (Line Voltage) at full load, linearly derating from 100% to 50% load | 220/230/240VAC | ≥94.5% (Normal mode) | 3 phase N PE |
| SYM3120/15DS › | 15kVA | 5kVA × 3 | 277~478VAC (Line Voltage), 147~277VAC (Line Voltage) at full load, linearly derating from 100% to 50% load | 220/230/240VAC | ≥94.5% (Normal mode) | 3 phase N PE |
| SYM3120/20DS › | 20kVA | 5kVA × 4 | 277~478VAC (Line Voltage), 147~277VAC (Line Voltage) at full load, linearly derating from 100% to 50% load | 220/230/240VAC | ≥94.5% (Normal mode) | 3 phase N PE |
Product Features

Dual-Mount Adaptability & Modular Growth
No need to redesign your IT space around power equipment—this UPS works as a 19-inch rack-mounted unit or a standalone tower, fitting both centralized and distributed layouts. Built with three 5kVA hot-swappable modules, it starts at 15kVA and can expand up to 20kVA later. All upgrades happen without shutting down critical systems, so your power solution keeps up with business growth seamlessly.
Efficient Operation & Convenient Monitoring
It maintains up to 94.5% energy efficiency in standard operation, helping reduce long-term utility costs. Its wide input voltage range handles unstable grid conditions with ease, ensuring consistent power delivery to protect sensitive IT equipment. The integrated monitoring system keeps you informed of real-time load status, voltage levels and operational mode, with clear audio and visual alerts for anomalies—making maintenance and issue resolution quick and simple.

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.
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FAQ
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2. Why fits small & medium critical power scenarios well?
3. Does the system enable convenient remote monitoring and management?
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