8. Peripherals and Options
- 235 -
8
AC Drive Model Applicable
Motor
(kW)
Braking Unit 125% Braking Torque
(10% ED, Max. 10s)
Remark Min.
Resistance
of Braking
Resistor
ȍ
Braking Resistor
Model QTY 6SHFL¿FDWLRQ QTY
MD290T355P(-L) 355 MDBU-200-B 3 :ȍ 3 Input voltage
9$&
2.5 x 2
355 MDBU-200-C 3 :ȍ 3 Input voltage
> 440 VAC
3.0 x 2
MD290T355G(-L) 355 MDBU-200-B 3 :ȍ 3 Input voltage
9$&
2.5 x 2
355 MDBU-200-C 3 :ȍ 3 Input voltage
> 440 VAC
3.0 x 2
MD290T400P(-L) 400 MDBU-200-B 3 :ȍ 3 Input voltage
9$&
2.5 x 2
400 MDBU-200-C 3 :ȍ 3 Input voltage
> 440 VAC
3.0 x 2
MD290T400G(-L) 400 MDBU-200-B 3 :ȍ 3 Input voltage
9$&
2.5 x 2
400 MDBU-200-C 3 :ȍ 3 Input voltage
> 440 VAC
3.0 x 2
MD290T450P(-L) 450 MDBU-200-B 3 :ȍ 3 Input voltage
9$&
2.5 x 2
450 MDBU-200-C 3 :ȍ 3 Input voltage
> 440 VAC
3.0 x 2
MD290T450G(-L) 450 MDBU-200-B 3 :ȍ 3 Input voltage
9$&
2.5 x 2
450 MDBU-200-C 3 :ȍ 3 Input voltage
> 440 VAC
3.0 x 2
MD290T500P(-L) 500 MDBU-200-B 3 :ȍ 3 Input voltage
9$&
2.5 x 2
500 MDBU-200-C 3 :ȍ 3 Input voltage
> 440 VAC
3.0 x 2
Note
Ɣ
Minimum resistance supports operating condition with ED of 10% and longest time for single
braking of 10s.
Ɣ
Default initial braking voltage is 760 V.
Ɣ
The preceding table is for a reference only. You can select resistance and power of braking
resistor based on actual needs. Resistance must not be lower than the reference value.
Power may be higher than the reference value. Selection of braking resistor model is
determined by generation power of motor and is also related to system inertia, deceleration
time and potential energy load. For systems with high inertia, and/or short deceleration time,
and/or frequent braking, select a braking resistor with higher power and lower resistance
value.
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