Choose The Minuteman UPS, Uninterruptible Power Supply,

Stand-By: (sometimes called "off-line")
With this type of power supply, power comes directly from the A/C Outlet until the voltage sags or the power fails. After the power sags or fails, a battery powered inverter almost immediately turns on to continue to supply you with power. Batteries are charged as necessary when direct A/C power is available. Even while power is coming directly from the A/C outlet, the UPS provides protection from voltage spikes and surges. Standby units are the low cost solution in the UPS family. The EN Series is a stand-by UPS system.
Applications: Small to large PCs, Phone Key Systems, and Workstations.

Line-Interactive:
Just like the standby units, line-interactive UPSs provide protection from spikes and surges, as well as, supplying auxiliary power if a voltage sag or a blackout occurs. Unlike the standby units, line-interactive UPSs provide automatic voltage boost when the power dips, without accessing the batteries. This feature provides continuous line conditioning, promotes longer battery life, and eliminates electronic "noise" that can cause minor application errors and loss of data. The Enterprise, EnterprisePlus, ETR and PRO-E Series are line-interactive.
Applications: Small to large PCs, Key and PBX Systems, Servers, Phone Systems, Networking Equipment, Rackmount Servers and Workstations.

On-Line:
On-line UPSs provide the highest quality of power protection by using a double-conversion technique. The UPS takes the incoming A/C power and recreates it by converting the voltage to D/C then conditioning the power to eliminate noise, sags, or surges and finally converting it back to A/C before it exits the UPS. Since the power runs continuously through the inverter, there is no transfer or switching time to battery mode in the event of a blackout.
Applications: Workstations, PBX Systems, Network Servers, Internetworking, Telecom Equipment, Phone Systems.

If Your Application Is Not Represented By Any Of These Products,
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