SYMBOL

DEFINITION

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

n0

no-load speed

…/min or …min-1

Revolutions or reciprocations per minute

or d.c

direct current

or a.c

alternating current

2

two-phase alternating current

2N

two-phase alternating current with neutral

3

three-phase alternating current

3N

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

 

for the time/current characteristic, as given in IEC 60127

........................

protective earth

........................

class II tool

IPXX

IP symbol

7

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Image 7
Porter-Cable 7556 instruction manual Symbol Definition