8. Peripherals and Options
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Selection Guidance
AC Drive Model Applicable
Motor
(kW)
Braking Unit 125% Braking Torque
(10% ED, Max. 10s)
Remark Min.
Resistance
of Braking
Resistor
(Ω)
Braking Resistor
Model QTY Specication QTY
MD500T18.5GB-INT 18.5 Built-in 4000 W, 32 Ω 1 AC
drive
model
ending
with
letter
“B”
24
MD500T22GB-INT 22 4500 W, 27 Ω 1 24
MD500T30GB-INT 30 6000 W, 20 Ω 1 19.2
MD500T37GB-INT 37 7000 W, 16 Ω 1 14.8
MD500T45GB-INT 45 9000 W, 13 Ω 1 12.8
MD500T55GB-INT 55 11000 W, 10.5 Ω 1 9.6
MD500T75GB-INT 75 15000 W, 7.7 Ω 1 6.8
MD500T90G-INT 90 MDBUN-60-5T 2 9000 W, 12.8 Ω 2 - 10.5 x 2
MD500T110G-INT 110 MDBUN-60-5T 2 11000 W, 10.5 Ω 2 - 10.5 x 2
MD500T132G-INT 132 MDBUN-90-5T 2 13000 W, 8.8 Ω 2 - 7.0 x 2
MD500T160G-INT 160 MDBUN-90-5T 2 16000 W, 7.2 Ω 2 - 7.0 x 2
● Minimum resistance supports operating condition with ED of 10% and longest
time for single braking of 10s.
● Default initial braking voltage is 760 V.
● 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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