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An uninterruptible power supply, commonly known as UPS Power Supply is easy to install a device that is designed to provide power to your computers, servers, server rooms and data centres in case of main energy failure, electrical surge or unexpected energy cut off. These devices contain a battery that guarantees power to your computer system for a certain period of time, creating an extended run long enough to shutdown software or for saving the current task and shutting off the computer. For further reading, please see our [uninterruptible power supplies (UPS) guide](/web/content/discovery/ideas-and-advice/ups-power-supplies-guide).

### UPS Uninterruptible Power Supply Types?

There are several types of UPS system solutions available:

- **Online UPS** - A system of supplying power by converting AC input (utility power) to DC and reconverting it to stable AC by the inverter while constantly charging the batteries. Supplies power without momentary power breaks in the event of a power outage.
- **Standby UPS** - A system where, normally AC input (utility power) is output as is to connected devices and when a power outage or abnormal voltage is detected, inverter starts feeding using power from the batteries. In the event of a power outage, a few milliseconds of momentary break occurs in AC output.
- **Parallel processing UPS** - While power from AC input (utility power) is supplied, the bidirectional inverter connected in parallel corrects voltage and absorbs noise. Because this is the online inverter (parallel) system, it has both high efficiency and high reliability.
- **Hybrid UPS** - This system consists of three modes: double conversion mode, economy mode, and active filter mode. The UPS automatically selects the power feeding mode to best suit the power situation and load conditions. It is possible to shift between the respective modes with no momentary break in output voltage. Double conversion mode is selected when the power situation is poor and economy mode is selected when the power situation is good.

### How to choose the right UPS device

A UPS power supply may vary in the backup time, size, numbers and type of communication ports.



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Protect your tech hardware and data when power interruptions strike with an uninterruptible power supply from Eaton.<h2>What's a UPS and what does it do?</h2>An uninterruptible power supply, often simply called a UPS, is a device which acts as a back-up power source for when unexpected power-off events occur. They work by storing power and monitoring power flow to your devices. When the UPS detects an interruption it will instantly send out the stored power, allowing time for a controlled shut down to be performed. This helps to guard against data loss and hardware damage at critical moments.Eaton have a broad range of uninterruptible power supplies to choose from here at RS, to suit a range of applications.Their 9PX UPS range is a great choice if you're looking for an energy efficient UPS unit, running up to 95% efficiency when in double conversion mode. It can meter your energy consumption and comes with Serial, USB, and relay connectivity. Its RT (Rack/Tower) form factor ensures that it's highly compact and versatile. The 9PX also delivers 28% more power than other UPS devices in its class with its 0.9 power factor. It comes with load segment control so that shutdown of non-essential equipment is prioritised, leaving more battery for your critical devices. In addition, the 9PX uses Eaton ABM battery management technology which extends the battery life by up to 50% for a stronger and longer lifespan.Other popular UPS ranges at RS include the Eaton 5PX UPS, which is ideal for use in data centres, servers, storage devices, routers, and switches, and the Eaton 5S UPS, which is perfectly suited for applications such as workstations, network devices, POS equipment.As a leading global power management expert, you can depend on Eaton to provide high-quality, high-performance power protection solutions.

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Unexpected power interruptions can cause havoc with data storage and computer processes. Guard against data loss and hardware damage with the 9PX series of Uninterruptible Power Supplies from Eaton.<h2>What's the purpose of a UPS?</h2>A UPS acts as a back-up power source which sits between the main power supply and your devices. It works by continuously storing power in its battery, and if any kind of power disruption occurs such as a blackout or power surge, it instantly switches to sending out the stored power to your computers and tech. This allows time for you to save your important data and perform a controlled shut down.Eaton's 9PX UPS range has been designed for optimal performance, efficiency, ease-of-use, and flexibility. Its battery life is extended by up to 50% due to Eaton's innovative ABM battery management technology, making it a dependable choice. Its load segment control function also ensures that the most critical devices are prioritised as non-essential equipment is shut down first. With a compact Rack/Tower form factor (RT), you can install this UPS to sit vertically or horizontally as part of a rack to suit to your requirements.As the 9PX comes with Serial, USB, and relay connectivity it offers flexibility for linking your devices. You won't need to stress about your energy costs as it can meter your energy consumption, giving you one less thing to worry about. In addition, in online-double conversion mode you can count on the 9PX for up to 95% efficiency, which will also help to minimise cooling and energy costs.

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Ensure that your essential tech devices and computer processes are protected during power disruption events with a UPS from the 9SX range by Eaton.<h2>What's a UPS and how does it work?</h2>An uninterruptible power supply, also called a UPS, is a device which acts as a back-up power source. It works by continuously storing up power for emergencies. A UPS sits between the main power supply and your devices, so that if blackouts or power surges occur the UPS can send out power to your devices. This gives you essential time to shut down your processes properly and avoid damage or data loss.The Eaton 9SX range offers high performance and manageability, including features such as: energy consumption metering, load segment control, graphical LCD, 0.9 power factor, compact RT (rack/tower) form factor, internal bypass for service continuity, and a stronger and longer battery life. In addition, the 9SX comes with Serial, USB, and relay connectivity, with an extra slot for an optional card. The 9SX UPS units ensure up to 95% efficiency in online double conversion mode and 98% in high efficiency mode, making it a dependable choice for your set-up.These UPS units offer advanced protection for infrastructure, industrial, medical, IT, storage and telecom.As a trusted global specialist in power management Eaton are dedicated to creating innovative power management solutions that are dependable, sustainable and efficient.Choose from the 9SX range and experience superior power protection.

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