What is ups va

Do ups have equal Watt and VA ratings?

For larger UPS systems, it is becoming common to focus on the Watt rating of the UPS, and to have equal Watt and VA ratings for the UPS, because the Watt and VA ratings of the typical loads are equal. In recent years, the major UPS manufacturers have been working to increase the efficiency of smaller UPS equipment.

What is the difference between Watts and volt-amps in a ups?

A UPS is no different. Watts is known as the “Real Power” drawn by the equipment in the circuit, whereas volt-amps are what is known as the “Apparent Power.” VA is calculated by multiplying the voltage applied to the equipment by the current drawn by that same equipment.

What is a volt-ampere (VA) rating on a ups?

When you see a volt-ampere (VA) rating on a UPS, it represents the maximum volt-ampere load that the UPS can support. Battery backups typically range from 450VA to 1500VA. Systems with higher VA ratings can support a larger total load, which is great if you have multiple devices or devices with higher power requirements, like gaming desktops.

Does ups affect VA rating?

This won't affect the VA rating - only the runtime. Often, the runtime of a UPS is secondary to its power protection abilities - in many use cases the expectation is it needs enough time for a generator to kick in or for you to close out and save your work.

What is the watt rating of an ups?

In some cases, UPS manufacturers only publish the VA rating of the UPS. For small UPS designed for computer loads, which have only a VA rating, it is appropriate to assume that the Watt rating of the UPS is 60% of the published VA rating.

What should I consider when buying a ups?

So, when purchasing a UPS, it’s important to consider both these figures. VA gives you the maximum amount of apparent power a UPS can handle, but the Watts figure tells you the actual power it can deliver to devices. Always ensure that both the VA and Watt ratings of the UPS meet or exceed the requirements of the equipment you plan to connect.