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Symbol-Explanation
CAT. III
Hazardous Voltage� Danger! Alternating Current (AC)
AC and DC Direct current (DC)
Important Information Earth
Fuse Low Battery Indication
Double Insulated
Conforms to European Union directives�
Do not dispose of this product as unsorted municipal waste�
IEC Measurement Category III: CAT�III equipment has protection against
transients in equipment in xed-equipment installations, such as distribution
panels, feeders and short branch circuits, and lighting systems in large buildings�
IEC Measurement Category IV: CAT�IV equipment has protection against
transients from the primary supply level, such as an electricity Meter or an
overhead or underground utility service�
CAT. IV
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