12
en
This sign warns of a possible dangerous situation that could cause injury.
Worn out power tools and other electrotechnical and electrical prod-
ucts should be sorted separately for environmentally-friendly recycling.
Product with double or reinforced insulation
~ or a. c.
Alternating current
3~
Alternating current, single-phase
Symbol, character
Explanation
CAUTION
Character
Unit of measurement,
national
Explanation
n
rpm; /min; min
-1
; r/min
Rated speed
P
W
Electrical power
°
Angle width
U
V
Electric voltage
f
Hz
Frequency
I
A
Electric current intensity
m
kg, lbs
Mass
l
ft, in
Length, width, height, depth, diameter or thread
Ø
ft, in
Diameter of a round part
m, s, kg, A, mm, V, W,
Hz, N, °C, dB, min, m/s
2
Basic and derived units of measurement from the
international system of units
SI
.
OBJ_BUCH-0000000073-001.book Page 12 Wednesday, May 30, 2012 3:17 PM