L

LCD Liquid Crystal Display

LEDs Light Emitting Diodes that inform users of various power conditions and operations.

Line-interactive A UPS containing an off-line inverter that must transfer on during a blackout, but provides faster transfer times than an off-line UPS and Power conditioning and surge suppression functions which protect the connected load.

Load Equipment that receives power from a UPS.

Load Bus The bus to which the Load equipment is connected.

Load Segments Groups of receptacles on the rear panel of a UPS which can be independently controlled.

Load Shedding The ability to selectively shut off a set of UPS output receptacles, extending the capacity of the UPS battery. Some UPS models are able to shed less critical loads by turning off selected output receptacles during an extended power failure while maintaining power to the more critical load(s) on the remaining output receptacles.

Low Voltage Disconnect (LVD) A module in the power system that disconnects the load from the batteries from the when the battery voltage falls below a preset value. The LVD reconnects the load to the batteries when the battery voltage rises above a preset value.