Filter
Top Products
Symbols Definition / Meaning
@ At.
/ And/or.
+/- Plus or Minus.
≤ Equal to or less than.
# Number.
°C Degree Celsius.
°F Degree Fahrenheit.
Ø Phase angle.
Ω Ohm; unit of resistance.
®Trade Mark.
2nd Second.
A, B, C Normal sequence of phases (clockwise) in three-phase power.
AC or ac Alternating current, also implies root-mean-square (rms).
Alphanumeric display The LCD display above the hidden panel (behind the drop-down cover) on the UPS
module and the SSC.
Ambient Temp. Temperature of surrounding air.
Ambient noise Acoustical noise of surrounding environment.
Ambient noise The noise level of the environment.
Attached load The load attached to the UPS output, such as a computer system or manufacturing
system.
Audible alarm A buzzer, located behind the front panel on the UPS module and the SSC, that sounds
when alarm conditions occur.
ANSI American National Standard Institute.
AWG American Wire Gauge.
B or BAT. or BATT. Battery.
Breaker Electrical circuit interrupter.
BTU or Btu British thermal unit. Defined as the amount of heat required to raise the tempera-
ture of one pound of water by 1°F.
BYPASS See “Static Transfer switch”.
BYPASS mode See “off-line mode”.
Users Manual
Glossary
Glossary
page g — 1