Installation Manual

Glossary

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 temperature

 

of one pound of water by 1°F.

BYPASS

See “Static Transfer switch”.

BYPASS mode

See “off-line mode”.

Carrier

The company or individual responsible for delivering goods from one location to another.

Glossary

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