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Symbols Definition / Meaning
/ And/or.
% Percentage.
+/- Plus or Minus.
# Number.
°C Degree Celsius.
°F Degree Fahrenheit.
Ø Phase.
®Trade Mark.
ABC Normal sequence of phase (clockwise) in three-phase power.
AC or ac Alternating current, also implies root-mean-square (rms).
Alarm Warning of a fault or major status change condition.
ANSI American National Standard Institute.
BAT. or BATT Battery
Breaker Electrical circuit interrupter.
Bypass Maintenance bypass; wrap-around manual maintenance bypass using the optional
bypass circuit breaker Q3BP in conjunction with circuit breaker Q4S and isolation circuit
breaker Q5N.
Bypass AC Input Mains 2.
Bypass mode See “offline” mode.
CB Circuit breaker.
Comm. Communication.
CSS Customer Support Service.
Current rating The maximum current that a conductor or electrical equipment is designed to carry.
DC or dc Direct current.
Digital Meter The LCD display on the front panel of inverter system.
Earth ground A ground circuit that has contact with the earth.
Electrician Refers to an installation electrician qualified to install high energy electrical components in
accordance with national and local codes and regulations. Not necessarily qualified to
maintain or repair electrical or electronic equipment.
User Manual
Glossary
Glossary
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