Modifications reserved
2 System description
The DPA UPScale ST S2 is a three-phase, transformerless modular uninterruptible power system
(UPS). It is a true on-line double conversion UPS providing quality power for sensitive equipment. Its
modular design consists of:
• DPA UPScale modules M10 (10 kW), M20 (20 kW)
• Maintenance bypass switch
• Incoming, outgoing and battery terminals
• Communication interfaces
• Parallel interface (option)
• System graphical display (option)
• Internal battery modules (option)
The DPA UPScale ST S2 family has five models available:
• DPA UPScale ST S2 40 (40 kW)
• DPA UPScale ST S2 60 (60 kW)
• DPA UPScale ST S2 80 (80 kW)
• DPA UPScale ST S2 120 (120 kW)
• DPA UPScale ST S2 200 (200 kW)
types:
• UPScale M 10 (10 kW)
• UPScale M 20 (20 kW)
Key features of DPA UPScale ST S2:
99.9999% (6 nines) availability
• Decentralized parallel architecture
• No single points of failure
• Redundant capacity (N+1) per frame
• Replace or add modules with no
downtime
• Short mean time to repair (MTTR)
• Power range from 10 kW to 200 kW in a
single frame
• Internal battery modules for short
autonomies and external battery cabinets
for long autonomies
• User-friendly interface per module and
system level
• Remote control and monitoring options
Low total cost of ownership
• Up to 96% true online efficiency
• Eco-mode efficiency ≥ 98%
• Unity power factor (kW = kVA)
• Low input harmonic distortion
(THDi < 3%)
• Small footprint and high power density
(472 kW/m
2
)
Efficient service concept
• Simple power upgrade
• Fast maintenance
• Full front access
• Fewer spare parts needed
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