Symbols - Bosch 4100XC Operating/Safety Instructions Manual

1600A01Z1U.qxp_4100XC 10/31/19 1:21 PM Page 10
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
⌀
Diameter (size of drill bits, grinding wheels, etc.)
n 0 No load speed (rotational speed at no load)
n Rated speed (maximum attainable speed)
Revolutions or reciprocation per minute (revolutions, strokes, surface speed, orbits
.../min
etc. per minute)
0 Off position (zero speed, zero torque...)
1, 2, 3, ... Selector settings (speed, torque or position settings. Higher number means greater
I, II, III, speed)
Infinitely variable selector with off (speed is increasing from 0 setting)
0
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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Symbols

3
/min] (air flow rate)