Delta 2 Kva Ups A Delta 2kVA 1:1 UPS refers to an Uninterruptible Power Supply (UPS) unit made by Delta Electronics, with the following characteristics: 2kVA: The UPS has a power capacity of 2 kVA (kilovolt-amperes), which indicates the maximum power it can handle. 1:1: This typically refers to a single-phase UPS. The "1:1" notation suggests that the UPS takes in single-phase AC power and provides single-phase AC output, typically used for small to medium-sized loads like personal computers, servers, and other equipment. Delta is known for producing reliable UPS systems, and their 2kVA models are designed for use in environments where short power outages can disrupt equipment, such as small offices, network systems, and other sensitive electronics.