A measure of actual power (Watts) drawn by an electrical load.

An electrical current whose electrons flow briefly in one direction to a peak before dropping back to zero and then flowing in an alternative direction before repeating itself. The waveform created is [..]

A measure of the flow of electrical current.

The number of Amps that a battery set can deliver in one hour.

The electrical current drawn by a load at a given supply voltage measured in VA.

A measure of system up time compared to its downtime expressed as a percentage.

An electrical circuit incorporated within a UPS (or bypass panel) creating a power path from and to a bypass supply, which may be relay or static switch-based.

A mains power supply voltage stabalisation device. Also known as an Automatic Voltage Regulator (AVR) or Voltage Regulator (VR)

The amount of time, stated in either minutes or hours, that a battery set or other power source will support the load.

A self-contained battery consisting of a number of individual and connected battery cells.