Section-1
04-3004_S1_OPM_ABB_POWERSCALE_10-50kVA_EN_150113.doc Page 2/20 ABB
Printed in Switzerland – Modifications reserved
1.1 SAFETY INSTRUCTIONS
1.1.1 DESCRIPTION OF SYMBOLS USED IN THIS MANUAL
THERE IS DANGER OF AN ELECTRICAL IMPACT
READ THE INFORMATION, IN ORDER TO AVOID EQUIPMENT
DAMAGES
1.1.2 SYMBOLS, CONTROLS, AND INDICATORS
PROTECTIVE GROUNDING TERMINAL
A terminal which must be connected to earth ground prior to making any
other connection to the equipment.
A terminal to which or from which a direct current or voltage may be
Three-phase alternating current
This symbol indicates the word “phase”.
The principal power switch is in the “ON” position
The principal power switch is in the “OFF” position.
Refer to the Operator’s Manual for more information
DANGER: RISK OF ELECTRIC SHOCK
There is a risk of electric shock present, and you should observe
associated warnings. The UPS contains high voltages.
Caution
Risk of explosion of battery if replaced by an incorrect type. Dispose of
used batteries according to the instruction.
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