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ABB DPA 250 S4 Modular UPS (50 – 1,500 kW)
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🔋 True Modular Online UPS for Data Centers, Cloud Services, and High-Criticality Industries
The ABB DPA 250 S4 is a cutting-edge modular online double conversion UPS system delivering from 50 kW up to 1500 kW. Built with Decentralized Parallel Architecture (DPA™), each power module operates independently, offering unparalleled fault tolerance, 99.9999% availability, and true scalability for Tier III/IV data centers, colocation facilities, large healthcare institutions, financial infrastructure, and high-density industrial environments.
With efficiency reaching up to 97.6%, hot-swappable modules, and front-only access, the DPA 250 S4 minimizes downtime, energy costs, and footprint—making it one of the most advanced modular UPS systems in the world.
Description
⚙️ ABB DPA 250 S4 UPS – Technical Overview
| Feature | Specification |
|---|---|
| Power Rating | 50 – 1500 kW (in 50 kW increments) |
| Technology | Modular Online Double Conversion (VFI) |
| Power Module Capacity | 50 kW per module (up to 30 modules in parallel) |
| Max Frame Capacity | 300 kW per frame |
| Parallel Scalability | Up to 6 frames (1500 kW total) |
| Efficiency | Up to 97.6% in double conversion |
| Input/Output | 3-phase in / 3-phase out |
| Redundancy Architecture | N+1 / N+X / Multi-frame parallel redundancy |
| Battery Configuration | External VRLA or Lithium-ion |
| Cooling | Optimized forced air (front-to-top airflow) |
| Display Interface | 7” full-color touchscreen with multilingual support |
💡 Why Choose ABB DPA 250 S4 Modular UPS?
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🔧 Hot-Swappable Modules – Maintain and replace power modules without shutting down the UPS or load.
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🔄 Decentralized Parallel Architecture (DPA™) – Each module has its own logic, control, and static bypass—no single point of failure.
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🔋 Flexible Battery Design – Works with VRLA, Li-ion, and other advanced chemistries; compatible with long autonomy setups.
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⚡ High Online Efficiency (Up to 97.6%) – Significantly reduces cooling needs and energy costs.
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🏗️ Space-Saving Footprint – Delivers one of the highest power densities per m² in its class.
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🌐 Full Network Integration – SNMP, Modbus, TCP/IP, dry contacts, and cloud integration.
🏥 Industry Applications & Use Cases
| Sector | Power Range (Recommended) | Benefits Delivered |
|---|---|---|
| Tier III & IV Data Centers | 500 – 1500 kW | Scalability, 99.9999% uptime, N+X redundancy |
| Colocation & Cloud Hosting | 300 – 900 kW | Multi-tenant modularity, energy savings |
| Medical Centers & Hospitals | 100 – 500 kW | Life-critical load protection, hot-swap design |
| Financial Institutions | 100 – 600 kW | Low TCO, fast deployment, intelligent alerts |
| Industrial Automation | 250 – 1000 kW | Resilient voltage & frequency regulation |
| Broadcast & Telecom Hubs | 50 – 250 kW | Constant uptime, remote monitoring |
🌟 Advanced Features of the DPA 250 S4
🧩 True Modular Redundancy
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Redundant components at every level: control, rectifier, inverter, and bypass
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Independent module operation – no shared components = no single point of failure
🧠 Smart Monitoring & Management
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Supports remote control via SNMP, Modbus, and Ethernet
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Intuitive 7” touchscreen interface with logs, alerts, and battery diagnostics
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Supports Eco-mode and load optimization based on real-time data
🔋 Intelligent Battery Management
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Programmable charging/discharging cycles
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Battery temperature compensation and lifespan prediction
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Multiple string support for hybrid battery setups
♻️ Eco-Efficient Design
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Up to 97.6% efficiency in online mode (without compromising protection)
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ECO mode available for ultra-low load operations
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Reduced cooling requirements and carbon footprint
🛒 Available DPA 250 S4 Configurations from Shop Stema Engineering
| Power Size (kW) | Modules per Frame | Redundancy Option | Availability |
|---|---|---|---|
| 100 – 300 kW | 2 – 6 | N+1 or N+X | In Stock / 2–4 weeks |
| 350 – 600 kW | Multi-frame | N+1 / N+X | Pre-order (4–5 weeks) |
| 650 – 1500 kW | Multi-frame | Fully redundant | Pre-order (6–8 weeks) |
🔄 Comparison: ABB DPA 250 S4 vs Competitor Models
| Feature | ABB DPA 250 S4 | Eaton 93PS | APC Galaxy VX |
|---|---|---|---|
| Max Capacity | 1500 kW | 1200 kW | 1500 kW |
| Efficiency (Online Mode) | Up to 97.6% | Up to 96.5% | Up to 97% |
| Module Swappability | True hot-swap | Partial | Service-dependent |
| Architecture | Decentralized Parallel | Centralized Modules | Centralized Modules |
| Redundancy Flexibility | Full DPA N+X | Limited N+1 | Modular N+1 |
| Network Integration | Full (SNMP/Modbus/BMS) | SNMP/Modbus | EcoStruxure Enabled |
🧾 What’s Included with Your Purchase
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✅ DPA 250 S4 Modular UPS system
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✅ Factory pre-installed power modules
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✅ Full user and service manuals
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✅ Touchscreen HMI interface
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✅ Monitoring card (SNMP/Modbus optional)
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✅ 2-Year Manufacturer Warranty (extendable)
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✅ Technical support from Shop Stema Engineering
🔧 Optional Services from Shop Stema Engineering
| Service | Available |
|---|---|
| Load & Autonomy Calculations | ✅ |
| Custom Electrical Design & CAD Support | ✅ |
| UPS Room Layout & Ventilation Planning | ✅ |
| Full Installation & Commissioning | ✅ |
| Preventive Maintenance Packages | ✅ |
| Battery Bank Sizing & Supply | ✅ |
📄 Technical Downloads (on Request)
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📘 ABB DPA 250 S4 Datasheet (PDF)
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🧠 System Design Guide
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🧾 Battery Runtime Tables
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🖥️ Electrical Schematics & Integration Manual
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🌍 SNMP/Web Management Setup Guide
📞 Need Expert Help?
Our team at Shop Stema Engineering is ready to:
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Assess your load needs
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Design optimal battery runtime solutions
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Guide modular expansion plans
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Handle delivery, setup, and after-sales support
📞 Call: +254 707 122 122
📧 Email: info@stemaengineering.com
🌐 Shop Now: shopstemaengineering.com
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