11.7 Noise filter (NF1, NF2)
The noise filter decreases the noise caused by the inverter to the power supply line. The terminals that indicate "LOAD" are
connected to the inverter and terminals that indicate "LINE" are connected to the power supply line.
NF1
Items
Specifications
Model
4LFB-22930-2F
Rated Current
AC 400 V 27 A
Permissible temperature range
From -25 °C to 65 °C
Circuit diagram
Cx
L
Cy1
Cy1
Cy1
Cy2
Cy2
L
Cx
L1
L2
L3
N
E
LINE
IN
LOAD
OUT
FU
Z
Z
SA
L1’
L2’
L3’
N’
70 Max.
5 Max.
IN
OUT
L1
L2
L3
N
E
L1'
N'
L3'
L2'
116
106
123
215
82
N O T E
All measurements are in mm.
11 Electrical checks of the
main parts
342
SMGB0065 rev. 1 - 12/2010
