Guide to choosing a UPS

The best uninterruptible power supply choices, and the capacity of the UPS systems required for your particular situation, will reveal themselves easily if you answer three key questions:

  • What is my approximate load size in kVA?
  • What electrical problems, if any, will my load present to a UPS?
  • What are my priorities for protecting the load?

UPS capacity, and your choice of uninterruptible power supply, will very much depend upon the answers you give to these questions. Another important consideration before you choose your UPS power protection solution is how to balance budgetary and space considerations against the criticality of the operational load and flexibility for future growth.

This website has a kVA load calculator tool to help you quickly and simply estimate the answers you need when considering which uninterruptible power supply you might need. The UPS kVA calculator is an online tool to help you calculate UPS size limits and determine UPS capacity for the load that needs to be protected. Once calculated, the website will identify the type and size of UPS system you require. You will then have the option to download the final kVA power calculations.

To arrange for a Kohler Uninterruptible Power sales engineer to perform a site survey, contact us directly. It is free of charge and will not only yield accurate results but also reveal other UPS backup system impact factors, such as load harmonics, poor power factor or other load quality issues.

For more information on chosing a UPS system or for an informal discussion about UPS capacity and UPS sizing, please call: 0800 731 3269 or email [email protected].


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