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Protects against power surges and provides battery backup in the event of a power outage. AC power passes through the unit under normal conditions and switches to battery mode when a power failure is detected.
In addition to battery backup, line-interactive UPS provide conditioned power, eliminating voltage fluctuations. AC power passes through a voltage regulator, which corrects low and high voltages as needed, and switches to battery backup mode when a power failure is detected.
Incoming AC power is converted to direct current (DC) and then back to high-quality AC power, free from voltage fluctuations and other distortions common in grid power. Online UPS systems also include a high-efficiency ECO mode, which automatically suspends or resumes double conversion depending on the quality of input power.
| Standby | Line-interactive for desktops | Line-interactive for networks | Online double-conversion | |
| TYPICAL USE | Desktop computers, home networks | Desktop computers, network workstations and AV | Network server racks, office networks | Mission-critical equipment in data centers and server rooms |
Battery backup Emergency backup power for utility power outages |
✓ | ✓ | ✓ | ✓ |
Surge protection Protection against power surges and spikes |
✓ | ✓ | ✓ | ✓ |
Brownout protection Maintains safe voltage levels without using battery power |
✓ | ✓ | ✓ | |
Overvoltage protection Keeps overvoltages from damaging connected equipment without using battery power |
Select models | Select models | ✓ | |
Pure sine wave output Perfect power for sensitive equipment |
Select models | Select models | Select models | ✓ |
Fully online operation Zero transfer time to battery |
✓ | |||
High availability features Ensure power is available and is quickly restored to critical equipment |
Select models |
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