In-Depth: Uninterruptible Power Supplies

All Minuteman UPSs provide full protection from power problems such as blackouts, brownouts, sags, surges, and spikes. There are three different types of uninterruptible power supplies that vary in terms of how protection is delivered to the attached equipment. The three types are standby, line interactive, and online.

Please keep reading to find the perfect Minuteman solution for your power protection needs.

These three different technologies accomplish the same result – complete power protection. Which technology to use is usually driven by budget and type of equipment to be protected.

A  standby UPS is the most basic, lowest-priced type of battery backup protection available. During any type of power fluctuation, a standby UPS switches to battery mode to provide clean power to attached devices. Standby UPSs do provide total protection from any type of power problem and are a good choice where there are budget constraints.

With models ranging from 350VA to 900VA, Minuteman’s Enspire Series provides a low-cost, high-performance solution for protecting small-load computers, network equipment, and security devices from damaging power problems.

Line interactive UPSs also provide complete protection but manage incoming power differently than a standby UPS. The most common power problems are small variations in incoming AC voltage, such as brownouts or sags, as well as over-voltages, such as surges and spikes. This type of UPS employs an automatic voltage regulator that corrects these anomalies without accessing battery power, thus putting less strain on the battery and extending its life.

Minuteman’s line interactive UPS units include three different product lines, the Entrust LCD, the PRO-RT, and the EXR Series. The Entrust LCD Series  is available in 550 to 1500VA and the  PRO-RT comes in 750VA to 2000 VA, making them a good fit for network devices, security and telephone systems. The EXR Series  is one of our most versatile units with true sine wave output, and with models ranging from 750VA up to 3kVA, these rack/tower units are suitable for a wide range of applications.

A true  online UPS  completely re-generates the incoming AC power to provide the best type of power protection available. This is accomplished by an internal inverter converting incoming power from AC to DC, and at the output, the DC signal is then converted back to AC. Through this double conversion process, the UPS creates an “electrical firewall” to fully isolate attached equipment from any type of power problem.

Minuteman’s online Endeavor units come in a variety of configurations and models ranging from 1kVA to 3kVA , and 5kVA to 20kVA , all with extended runtime capabilities for large applications, including server and network devices, industrial equipment, and more.

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