500 VA - 3 KVA Offline Uninterruptible Power Supply works with power supply and when supply fails, DC is converted to AC and the computer can easily work on this. The Uninterruptible Power Supply is available in a range of 500 VA to 3 KVA. The Uninterruptible Power Supply is made using quality grade raw material which ensures durability of use along with long lasting trouble free service. 500 VA - 3 KVA Offline Uninterruptible Power Supply can be custom made in various capacity ranges as per specific requirements.