Sentinel Dual SDU — online UPS tower/rack 4–10 kVA
Country: Italy · Model: Sentinel Dual SDU
Sentinel Dual SDU covers 4–10 kVA, with the 5–10 kVA models giving full power at PF = 1 and the 4 kVA entry model delivering 3.6 kW. This double-conversion online UPS stands on the floor or goes into a rack and feeds critical loads and medical equipment.
- Power
- 4 kVA / 3.6 kW; 5–10 kVA/kW (PF = 1)
- Input/output
- 1:1; 3:1 (TM models 8 and 10 kVA); DI versions with separate bypass input
- Topology
- online, VFI-SS-111
- Efficiency
- up to 95 % (online), 98 % (ECO)
Technical specifications
| Power | 4 kVA / 3.6 kW; 5–10 kVA/kW (PF = 1) |
|---|---|
| Input/output | 1:1; 3:1 (TM models 8 and 10 kVA); DI versions with separate bypass input |
| Topology | online, VFI-SS-111 |
| Efficiency | up to 95 % (online), 98 % (ECO) |
| Overload | 110 % — continuous, 130 % — 1 h, 150 % — 10 min |
| Parallel operation | up to 3 UPS; SDU Modular MBB kit with maintenance bypass (1-ph 50 A or 3-ph 18 A) |
| Design | tower 131×640×448 mm or 19″ 3U |
| Noise | <48 dBA |
| Customs codes (for reference) | |
| HS code | 8504.40 |
| UKTZED code (Ukraine) | 8504403000 |
| CN code (EU) | 85044095 |
Specifications are taken from the manufacturer’s technical documentation. Updated . Customs codes are for reference only; the final code is determined at customs declaration for the specific model.
Description
The topology is VFI-SS-111 online, with up to 95 % efficiency online and 98 % in ECO. The TM models at 8 and 10 kVA accept a three-phase input (3:1), and DI versions have a separate bypass input that can be fed from another feeder. Continuous load may reach 110 %, with 130 % allowed for 1 h and 150 % for 10 min. EnergyShare sockets drop non-essential loads on battery, and USB/RS232 ports and a card slot serve monitoring. Up to 3 UPS run in parallel. For parallel use and service without dropping the load there is the SDU Modular MBB with a manual bypass rated 50 A single-phase or 18 A three-phase. It comes as a 131×640×448 mm tower or a 19″ 3U unit, with noise below 48 dBA.
How to choose
Start with the supply. On a single-phase line any model works, while a three-phase input exists only on the TM units at 8 and 10 kVA. If the load exceeds 3.6 kW, take the 5 kVA model even when its kVA fits within 4. Medical and IT sites with two feeders choose the DI version. On ships, use the Sentinel Dual Marine at 6 and 10 kVA/kW rated for up to 45 °C. For loads under 3,000 VA without double conversion, a line-interactive Vision Dual at 1,100–3,000 VA is enough.
Request a price and lead time
Sentinel Dual SDU — online UPS tower/rack 4–10 kVA. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
How loud is the Sentinel Dual SDU UPS?
Below 48 dBA, quiet enough for an office near workstations.
How many Sentinel Dual SDU units can be paralleled?
Up to 3 units. The SDU Modular MBB kit for parallel systems is rated 50 A single-phase or 18 A three-phase.
Can the Sentinel Dual SDU go into a 19-inch rack?
Yes, it takes 3U in a rack. The floor-standing version measures 131×640×448 mm.
What kW rating does the 4 kVA Sentinel Dual SDU have?
3.6 kW. The 5–10 kVA models run at PF = 1, so their kVA equals kW.
How does the DI version differ from the standard Sentinel Dual SDU?
The DI version has a separate bypass input that connects to a different power source.
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