CAP 1117785 - Caterpillar

@ - At/ - And/or+/- - Plus or Minus≤ - Equal to or less than# - Number°C - Degree Celsius°F - Degree FahrenheitØ - Phase angleΩ - Ohm, unit of resistance® - TrademarkAC or ac - Alternating current, also implies root-mean-square (RMS)Ambient Temp - Temperature of surrounding airAmbient noise - Acoustical noise of surrounding environmentANSI - American National Standard InstituteAWG - American Wire Gauge A standard unit for measuring wire cross-sectional areaBTU or Btu - British thermal unit Defined as the amount of heat required to raise the temperature of 1 lb of water by 1°FBYPASS mode - Load is powered by the bypass input line through the static switchCB - Circuit breakerDC or dc - Direct current, or voltageEarth ground - A ground circuit that has contact with the earthGND - Electrical groundHz - Hertz, frequency measurement unit, 1Hz is 1 cycle per secondI - CurrentIn - Nominal currentIEC - International Electrotechnical CommissionIEEE - Institute of Electrical and Electronic EngineersInverter - An electrical circuit that generates an AC voltage source from a DC voltage sourceIGBT - Insulated gate bipolar transistorsI/O - Input/OutputKVA - Kilovolt Ampere is equal to 1000 Volt-AmpereKW - True power. Kilo-Watt = 1000 WL - LineLCD - Liquid-Crystal DisplayLED - Light Emitting DiodeMains or Mains 1 - Main AC input source.Mains 2 - Bypass AC input sourcemA - MilliampereMAX. - MaximumN - NeutralNC - Normally closed.NO - Normally openNEC - National Electrical CodeNFPA - National Fire Protection AssociationPN - Part numberPn - Nominal powerOn-line mode - Inverter output power is the primary energy source to loadOSHA - Occupational Safety and Health AgencyPCA - Printed circuit assemblyPCB - Printed circuit boardPFC - Power Factor CorrectedPWM - Pulse Width ModulationQ1 - UPS input isolation switchQ3BP - UPS maintenance bypass switchQ4S - UPS bypass switchQ5N - UPS output switchRemote Emergency Power Off - A switch used for shutting down electrical equipment from a location away from the equipmentREPO - Remote Emergency Power OffSCR - Silicon controlled rectifierStatic Transfer - A solid state switching mechanism electronically controlled to pass AC power directly from the utility to an output loadTest connector - DB-9 type connector on the LCD panel allowing the UPS systems customer support service technician to access programmable and diagnostic features of the systemUL - Underwriters Laboratories, IncV - VoltsVA - Volt-amperes, unit for apparent power measurement, equal voltage times currentVAC - Voltage of AC typeVdc - Voltage of DC type