SYMBOL
V
....................... volts
A
....................... amperes
Hz
....................... hertz
W
....................... watts
kW
....................... kilowatts
F
....................... farads
µF
....................... microfarads
l
....................... litres
g
....................... grams
kg
....................... kilograms
bar
....................... bars
Pa
....................... pascals
h
....................... hours
min
....................... minutes
s
....................... seconds
n
....................... no-load speed
0
.../min or ...min - 1 ....... Revolutions or reciprocations per minute
or d.c. ................ direct current
or a.c. ................ alternating current
2
....................... two-phase alternating current
2
N
....................... two-phase alternating current with neutral
3
....................... three-phase alternating current
3
N
....................... three-phase alternating current with neutral
....................... rated current of the appropriate fuse-link in amperes
....................... time-lag miniature fuse-link where X is the symbol
....................... protective earth
....................... class II tool
IPXX
.......................
DEFINITION
for the time/current characteristic, as given in IEC 60127
IP
symbol
7