12
n Braking Unit
A
Braking
Unit
is
used
with
a
Braking
Resistor
Unit
to
reduce
the
deceleration
time
of
the
motor.
It
is
not
required
with
Inverters
of
18.5
kW
or
less.
Models and Application
The
standard
models
of
Braking
Units
are
listed
in
the
following
table.
The
minimum
resistance
is
the
minimum
value
per
Braking
Unit
except
for
Inverters
of
18.5
kW
or
less,
in
which
case
it
the
minimum
value
per
Inverter.
Inverter Braking Unit
Min. Resistance
*
(Ω)
Voltage
Class
Max. Applicable Motor
Capacity (kW)
Model No. Qty Used.
200-V
Class
0.4
Built-in
48
0.75 48
1.5 48
2.2 16
3.7 16
5.5 16
7.5 9.6
11 9.6
15 9.6
18.5 9.6
22 3G3IV-CDBR2022B 1 6.4
30 3G3IV-CDBR2015B 2 9.6
37 3G3IV-CDBR2015B 2 9.6
45 3G3IV-CDBR2022B 2 6.4
55 3G3IV-CDBR2022B 2 6.4
75 3G3IV-CDBR2022B 3 6.4
90 3G3IV-CDBR2022B 4 6.4
110 3G3IV-CDBR2022B 5 6.4
400-V
Class
0.4
Built-in
96
0.75 96
1.5 64
2.2 64
3.7 32
5.5 32
7.5 32
11 20
15 20
18.5 19.2
22 3G3IV-CDBR4030B 1 19.2
30 3G3IV-CDBR4030B 1 19.2
37 3G3IV-CDBR4045B 1 12.8
45 3G3IV-CDBR4045B 1 12.8
55 3G3IV-CDBR4030B 2 19.2
75 3G3IV-CDBR4045B 2 12.8
90 3G3IV-CDBR4045B 2 12.8
110 3G3IV-CDBR4030B 3 19.2
132 3G3IV-CDBR4045B 3 12.8
160 3G3IV-CDBR4045B 4 12.8
Use proper grounding techniques.
けが、感電の恐れがあります。
カバーを開けないでください。
感電の恐れがあります。
通電中及び電源オフ後３分以内は、表面
据え付け、運転の前には必ず取扱説明書
を読んで，その指示に従ってください。
May cause injury or electric
確実に接地を行ってください。
危険
shock.
Disconnect all powerbefore opening
front cover of unit. Wait 3 minutes
until DC Bus capacitors discharge.
Please follow the instructionsin
operation.
BRAKING UNIT
通電前に本カバーをはずして，
コネクタの設定をおこなってく
ださい（取扱説明書参照）
in
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