Bosch 4Exact Handbuch Seite 12

4Exact_bu_3609929A13_t.fm Seite 3 Montag, 23. Mai 2005 1:18 13
Important notice: Some of the following symbols could have meaning for the use of your tool. Please take note
of the symbols and their meaning. The correct interpretation of the symbols will help you to use the tool in a
better and safer manner.
Symbol Name
V Volt
A Ampere
30 A arithm. 30 amperes arithmetic
W Watt
Hz Hertz
Direct current
Alternating current
t Highest ambient temperature for volt-
a
age regulation
Safety transformer with limited protec-
tion against short circuiting
Class II construction
Protection class I
(Earthing terminal)
IP 20 Type of protection provided by the
housing according to IEC 60529
Warning symbol
Symbol for directions
3 609 929 A13 • (05.05) T
SYMBOLS
Meaning
Voltage
Current
Rated current
Power
Frequency (cycles per second)
Type or a characteristic of current
Type or a characteristic of current
The device may not be operated at temperatures
above 104 °F (+40 °C) and may not be stored
above a temperature of 158 °F (+70 °C).
The device has limited protection against short
circuiting; that is, in the event of a short circuit, the
current is safely limited to approximately 4 A. In the
event of a transformer malfunction, the current is
completely switched off.
Designates double-insulated tools
Grounding terminal
Tools of protection type IP 20 are protected
against the penetration of finger-sized objects, but
not against the penetration of water.
Alerts user to warning messages. Read and under-
stand instructions before operation.
Gives instructions for correct handling – for exam-
ple, use tool only in enclosed work sites, read op-
erating instructions, and do not dispose of tool in
household waste.
English–3