6
Symbols
IMPORTANT:
Some of the following symbols may be used on your tool. Please study
them and learn their meaning. Proper interpretation of these symbols will allow you
to operate the tool better and safer.
Symbol
Designation / Explanation
V
Volts (voltage)
A
Amperes (current)
Hz
Hertz (frequency, cycles per second)
W
Watt (power)
kg
Kilograms (weight)
min
Minutes (time)
s
Seconds (time)
CFM
Cubic feet per minute [or ft
3
/min] (air flow rate)
⌀
Diameter (size of drill bits, grinding wheels, etc.)
n
0
No load speed (rotational speed at no load)
n
Rated speed (maximum attainable speed)
.../min
Revolutions or reciprocation per minute (revolutions, strokes, surface
speed, orbits etc. per minute)
0
Off position (zero speed, zero torque...)
1, 2, 3, ...
I, II, III,
Selector settings (speed, torque or position settings. Higher number
means greater speed)
0
Infinitely variable selector with off (speed is increasing from 0 setting)
Arrow (action in the direction of arrow)
Alternating current (type or a characteristic of current)
Direct current (type or a characteristic of current)
Alternating or direct current (type or a characteristic of current)
Class II construction (designates double insulated construction tools)
Earthing terminal (grounding terminal)
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