38
Super Finish 33 PLUS/PRO • Nespray Pro
1.7
EXPLANATION OF ELECTRIC VARIABLES AND COMPONENTS
Dimensional unit Arithmetic unit
Explanation
A
I
Electric current in ampere
V
U
Electric voltage in volts
KV
U
Electric voltage in kilo-volts
VA
S
Apparent electric power
W
P
Electric power in watts
KW
P
Electric power in kilowatts
KWh
P
Electric power in kilowatt hours
Ω
R
Electric resistance in ohms
KΩ
R
Electric resistance in kiloohms
MΩ
R
Electric resistance in megaohms
Designation
Explanation
L1
External conductor
L2
External conductor
L3
External conductor
N
Neutral conductor
PE
Protective conductor
3~
Threephase AC voltage
1.8
EXPLANATION OF ELECTRICAL TERMS
Rated current
The rated current In is the rated value for a system, a power circuit or electrical equipment.
Operating current
The operating current Ib is the current that must fl ow during uninterrupted operation.
Overcurrent
Overcurrent is any current that exceeds the permissible current loading.
Overcurrent is the generic term.
Overload current
is an overcurrent that occurs in an electrically fault-free power circuit.
Short-circuit current
is an overcurrent that can occur due to an error.
GB
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